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Bitumen flat roofs protect thousands of commercial and residential buildings across Ireland. They're reliable, cost-effective, and when properly maintained, can provide decades of service. Yet many property owners only think about their flat roof when something goes wrong, and by then, what could have been a simple fix has become an expensive emergency. The good news? Most bitumen flat roof problems are preventable. Regular maintenance doesn't require specialist knowledge or complicated procedures. What it does require is attention, consistency, and understanding what to look for. This guide walks you through everything you need to know about maintaining a bitumen flat roof, from basic inspections to addressing common issues before they escalate. Whether you're managing a commercial property or looking after your own building, these practices will help protect your investment. Understanding Your Bitumen Flat Roof System Before you can properly maintain your roof, you need to understand what you're working with. Bitumen flat roofs aren't truly flat; they have a slight slope, typically around 1-3 degrees, to allow water drainage. The system consists of several layers working together to keep your building dry. Components of Bitumen Roofing Systems The typical bitumen flat roof includes a structural deck (usually timber or concrete), insulation boards, a vapour control layer, and the waterproofing membrane itself. Some systems have multiple layers of bitumen sheet, while others use modified bitumen membranes that combine asphalt with polymers for improved flexibility. Understanding these layers matters because problems can develop at any level. Surface damage is visible, but issues with underlying insulation or deck structure might not be obvious until significant damage has occurred. Different Types of Bitumen Membranes Traditional bitumen felt has protected roofs for over a century. More recently, modified bitumen systems have become popular, these include SBS (Styrene-Butadiene-Styrene) and APP (Atactic Polypropylene) membranes that offer improved performance in Irish weather conditions. Each type has different maintenance requirements. Traditional felt may need more frequent inspections, whilst modified bitumen systems generally require less intervention but benefit hugely from preventative care. Common Vulnerable Areas Certain parts of any bitumen roof are more prone to problems. Edges and perimeters, where the membrane meets walls or parapets, face particular stress from wind and temperature changes. Penetrations, anywhere pipes, vents, or equipment pass through the roof, represent potential weak points in the waterproofing. Seams where sheets overlap also deserve attention. These joints rely on proper bonding, and if that bond fails, water finds its way in. Perhaps surprisingly, the centre of the roof surface, whilst seeming more protected, can develop blisters from trapped moisture or degradation from UV exposure. Essential Tools and Equipment for Maintenance You don't need a lorry full of specialist equipment to maintain a bitumen flat roof properly. A modest toolkit covers most routine maintenance tasks, though safety equipment deserves serious consideration. Basic Maintenance Kit A stiff-bristled broom (not too stiff, you don't want to damage the membrane) handles most debris removal. A garden hose or pressure washer set to low pressure clears blocked drainage outlets. Binoculars let you inspect high or difficult areas from ground level before climbing up. Keep a camera or phone handy to document any issues you find. Photos from different angles help when discussing problems with contractors or tracking how issues develop over time. Safety Equipment You Actually Need Working at height is inherently risky. Proper safety equipment isn't optional, it's essential. Non-slip footwear with soft soles protects both you and the roof surface. If your roof lacks edge protection, you'll need fall arrest equipment or harnesses. Never work on a roof alone. Always have someone aware you're up there, ideally someone who can see you. Wet or icy conditions make roofs incredibly dangerous; if conditions aren't perfect, reschedule the maintenance. When to Call Professionals Some maintenance tasks genuinely require professional expertise. Anything involving significant repairs, working near edges without proper safety systems, or tasks requiring specialised equipment should be left to qualified contractors. Task Type DIY Possible? Professional Required? Visual inspection from the ground Yes No Debris removal Yes (with safety measures) Recommended for high roofs Drainage clearing Yes No Minor patch repairs Maybe (with experience) Recommended Seam repairs No Yes Blister treatment No Yes Structural damage No Absolutely yes Working near unprotected edges No Yes Creating a Maintenance Schedule Random, occasional roof checks aren't maintenance; they're hoping for the best. A proper schedule ensures nothing gets missed and problems get caught early. Twice-Yearly Inspections Spring and autumn represent ideal inspection times. Spring checks assess winter damage, freeze-thaw cycles, storm impacts, and accumulated debris. Autumn inspections prepare the roof for upcoming winter weather and clear summer growth. These aren't quick glances. Budget at least an hour for a thorough inspection of a typical commercial roof. Document everything, even if nothing looks wrong. "Roof looks fine" written in a notebook with the date, provides baseline information for future reference. Post-Storm Checks After any significant storm, particularly those with high winds or hail, inspect your roof as soon as safely possible. Storm damage that gets addressed immediately often costs far less to repair than the same damage left for weeks or months. Wind can lift membrane edges or tear material around vulnerable points. Hail can puncture surfaces or damage flashing. Debris blown onto the roof might seem harmless, but could be sitting on top of damage underneath. Quarterly Drainage Inspection Four times per year, check that drainage systems are clear and functioning. This takes maybe fifteen minutes, but prevents one of the most common and damaging problems, ponding water. Look for standing water that hasn't drained within 48 hours of rainfall. Check outlets and gutters for blockages. Verify that downpipes are clear and water flows freely. Regular Inspection Procedures Knowing when to inspect matters, but knowing what to look for, makes the difference between effective maintenance and wasted time. Visual Inspection From Ground Level Start every inspection from the ground. Binoculars let you spot obvious problems without climbing up. Look for sagging sections, visible tears, or areas where water pools. Check parapet walls for cracks or deterioration that might allow water behind the membrane. If you see nothing concerning from ground level, that's good news, but it doesn't mean you can skip the roof-level inspection. Some issues only become visible when you're actually on the roof surface. Surface Condition Assessment Once safely on the roof, walk the entire surface systematically. Don't just focus on problem areas from previous inspections; new issues can develop anywhere. Feel for soft spots underfoot. The surface should feel firm and stable. Spongy areas suggest trapped moisture or failing substrate underneath. These need professional assessment, as the problem likely extends beyond just the membrane. Look for cracks, tears, or splits in the material. Check whether mineral surfacing remains intact or has worn away, exposing the base membrane to UV damage. Examine areas around penetrations carefully; these stress points fail first. Checking for Ponding Water Perhaps nothing signals future problems more clearly than standing water. Visit the roof 48 hours after significant rainfall and look for pools that haven't drained. Mark these areas; they need attention. Slight ponding in isolated spots might not require immediate action, but widespread ponding or deepening pools indicate drainage issues or structural problems that will only worsen. Common Problems and Early Detection Catching problems early transforms expensive disasters into manageable repairs. Knowing what to look for helps you spot issues before they cause serious damage. Blistering: Causes and Identification Blisters appear as raised bubbles on the membrane surface. They form when moisture gets trapped between layers or beneath the membrane, then expands when heated by the sun. Small blisters might not leak immediately, but they represent weak points that will eventually fail. Don't walk on blisters; you might puncture them, creating immediate leaks. Note their location, size, and number. If blistering is widespread, the roof likely needs professional assessment and possibly complete resurfacing. Seam Separation and Edge Problems Seams where bitumen sheets overlap rely on bonding to stay watertight. Over time, thermal movement, water infiltration, or simply age can cause these seams to separate. Edge lifting often occurs first, and wind gets underneath and works the material loose progressively. Check seams carefully during inspections. They should lie flat with no gaps or lifted edges. Any separation needs prompt attention before water finds its way in. Cracking and Surface Degradation Bitumen becomes brittle with age, especially when exposed to UV radiation. Fine surface crazing might not immediately threaten waterproofing, but deep cracks certainly do. The difference isn't always obvious; if you're unsure whether cracks are superficial or serious, get a professional opinion. Surface weathering shows up as a colour change, loss of mineral granules, or a chalky appearance. This accelerates ageing and, whilst not an immediate emergency, suggests the roof is approaching the point where coating or replacement should be considered. Identifying Leak Sources Leaks aren't always obvious. Water can enter at one point, travel along beams or beneath insulation, then appear inside the building somewhere completely different. This makes leak detection quite challenging. Staining on the membrane surface suggests water is getting through somewhere nearby. Damp patches, particularly after dry spells following rain, indicate active leaks. Inside the building, ceiling stains or damp patches obviously signal problems, but determining exactly where water is entering requires careful investigation. Preventative Maintenance Tasks Prevention beats repair every time. Regular simple tasks dramatically reduce the likelihood of serious problems developing. Debris Removal Protocol Leaves, branches, moss, dirt, anything sitting on your roof holds moisture against the membrane and blocks drainage. Clear debris at least quarterly, more often if you have overhanging trees. Use a soft broom to avoid damaging the surface. Never use a pressure washer at high settings directly on the membrane. Be systematic, work in sections to ensure complete coverage. Moss and algae need different treatment. Biocidal solutions kill growth at the root, preventing rapid regrowth. Apply these carefully according to the manufacturer's instructions, ensuring they won't damage the membrane. Managing Foot Traffic Every time someone walks on your roof, they stress the membrane. Bitumen surfaces aren't designed as walkways, yet access for maintenance is necessary. This creates a dilemma. The solution? Minimise traffic and protect high-use areas. Place walkway pads or boards in routes regularly travelled, around HVAC equipment, near access hatches, and between commonly inspected points. These distribute weight and prevent localised wear. Educate anyone who needs roof access about proper procedures. Soft-soled footwear only. No dragging tools or equipment. Careful placement of ladders that won't damage the membrane. Vegetation Control Around the Roof Trees near buildings create problems for flat roofs. Overhanging branches drop leaves and debris, abrade surfaces in the wind, and provide routes for pests to access the roof. Perhaps more significantly, root systems from nearby trees can compromise building foundations, causing structural movement that stresses the roof. Trim branches well back from the roof, not just those touching it. Aim for at least two metres of clearance. If trees are causing persistent problems, consider whether they need to be removed entirely. Remove any plants growing on the roof itself immediately. Even small plants indicate trapped moisture and will worsen the problem as their roots penetrate the membrane. Drainage System Maintenance Water is bitumen flat roofing's enemy. Effective drainage is absolutely critical, yet drainage systems are often the most neglected aspect of roof maintenance. Gutter and Outlet Cleaning Blocked gutters and outlets cause water to back up, pond on the roof surface, and eventually find its way through any weakness in the waterproofing. They're also one of the easiest maintenance tasks to neglect, out of sight, out of mind. Check gutters quarterly at a minimum. Clear leaves, dirt, and any other accumulated material. Flush with water to confirm the flow is unrestricted. Inspect for signs that water has been overflowing or backing up. Internal drainage outlets, where water enters downpipes through the roof, need particular attention. These catch debris easily and might not show obvious signs of blockage until water is actually ponding. Remove outlet covers (they're usually just sitting in place), clear any accumulated material, and verify water flows freely. Checking for Adequate Slope Flat roofs need falls, slight slopes that direct water toward drainage points. These slopes are built into the structure or created with insulation boards. They should never be less than 1 in 80 (about 0.7 degrees), though 1 in 40 is preferable. Over time, structural settling or failing insulation can reduce these falls, creating areas where water ponds. This is difficult to assess during inspections unless you have original construction drawings showing intended drainage patterns. If ponding develops in areas that previously drained well, the structure may have sagged. This requires professional structural assessment, as simply patching the roof won't solve the underlying problem. Dealing With Ponding Water Issues Occasional minor ponding after heavy rainfall might not indicate serious problems, but if water regularly sits for more than 48 hours, action is needed. Temporary solutions include creating overflow routes or carefully increasing the slope with additional insulation. These buy time but don't address root causes. Permanent fixes might involve structural work, a complete drainage system redesign, or significant roof reconstruction. Never ignore persistent ponding. The weight alone stresses the structure, but the constant moisture accelerates membrane deterioration and inevitably leads to leaks. Minor Repairs and Patch Work Some repairs are genuinely straightforward. Others look simple but require professional expertise to execute properly. Knowing the difference prevents well-intentioned maintenance from making problems worse. Small Tear and Puncture Repair Minor tears or punctures, we're talking less than 50mm and not through all layers, might be patchable with compatible bitumen repair materials. The keyword is "compatible." Using the wrong product can cause more problems than it solves. Clean the damaged area thoroughly and let it dry completely. Apply the repair compound according to manufacturer's instructions, ensuring good bonding. For tears, you might need to reinforce with a fabric patch, then seal over the top. Here's the thing, though: if you're uncertain about the repair, leave it to professionals. A poor repair fails quickly and often causes additional damage during failure. When Patch Repairs Aren't Enough Multiple scattered patches, large damaged areas, or repairs that keep failing all suggest the roof has reached the point where comprehensive work is needed rather than continued patching. Think of it like an old car. At some point, continuous small repairs cost more than addressing the fundamental problem. The same applies to roofs; knowing when you've reached that point requires honest assessment. If your roof is approaching 20 years old and needs frequent repairs, comprehensive refurbishment or replacement probably makes more economic sense than continued patching. Understanding Your Limitations Some work simply requires professional expertise: seam repairs that need heat-welding, blister treatment that involves cutting and re-sealing, any work near unprotected edges, or repairs to flashings around penetrations. Your maintenance role is identifying problems early and addressing simple tasks. Knowing when to call professionals prevents small issues from becoming disasters and, frankly, prevents you from attempting dangerous or complex work without proper training. Seasonal Considerations for the Irish Climate Ireland's weather, mild but wet, with significant wind, creates specific challenges for bitumen flat roofs. Seasonal maintenance addresses these challenges proactively. Autumn Preparation Autumn is about preparing for winter. This means clearing accumulated summer growth, checking drainage is completely clear before leaf fall, and verifying the membrane is in good condition before harsher weather arrives. Moss and algae growth accelerate during warm, damp conditions. Treating these now prevents them from causing problems through winter. Check edges and flashings are secure, winter wind will find and exploit any weaknesses. Verify all drainage runs freely. Once leaves start falling in earnest, drainage can become blocked quickly, so getting ahead of the problem makes sense. Winter Monitoring Winter isn't ideal for major maintenance, but monitoring continues. After storms, inspect for visible damage as soon as safely possible. Check that drainage hasn't become blocked by wind-blown debris. Ice and snow accumulation can stress structures, particularly if drainage is impaired and water freezes in place. Excessive snow loading might require careful removal, though this is specialist work; attempting it yourself could be dangerous. Watch for icicles or ice dams forming around drainage points. These suggest blocked outlets or inadequate insulation causing heat loss that melts snow, which then refreezes at colder roof edges. Spring Inspection and Remediation Spring brings the crucial post-winter inspection. Look for damage from freeze-thaw cycles, which can crack membranes or open seams. Check drainage thoroughly; winter debris needs clearing before spring rainfall. This is the time to address any issues discovered during winter monitoring. Schedule repairs whilst the weather is improving, but before the summer sun makes working on dark bitumen surfaces uncomfortably hot. Summer Maintenance Tasks Summer offers ideal conditions for many maintenance tasks. The membrane is pliable from warmth, making inspection easier. The weather is generally more predictable, allowing planned work to proceed without weather delays. However, working on a dark bitumen roof in direct summer sun is genuinely unpleasant and potentially dangerous due to heat stress. Schedule work for early morning or late afternoon, and ensure anyone working takes regular breaks. Summer is also when UV degradation accelerates. If your roof needs a protective coating, summer provides good application conditions while highlighting areas where UV damage has progressed. Working Safely on Bitumen Flat Roofs Safety isn't just about avoiding accidents, though that's obviously critical. It's about creating conditions where thorough maintenance can happen without unnecessary risk. Access and Fall Protection How you get onto the roof matters enormously. Ladders need to be properly secured, extend well above the roof level, and be positioned at the correct angle. If accessing via internal hatches, ensure these are properly maintained and provide safe egress. Fall protection requirements depend on roof height, edge protection, and local regulations. Generally, any work above 2 metres requires fall protection measures. This might mean edge barriers, harnesses with secure anchor points, or working platforms. Never work near unprotected edges. The consequences of a fall from even a relatively low roof can be catastrophic. If edge work is necessary, use proper fall arrest equipment or consider whether professionals should handle it. Weather Considerations Wet roofs are slippery roofs. Don't work in the rain, and wait for surfaces to dry after rainfall. Frost and ice obviously make surfaces treacherous. Wind also creates significant hazards, not just from being blown over, but from tools or materials becoming projectiles. If conditions aren't ideal, reschedule. No maintenance task is so urgent that it's worth risking injury. Load Limitations and Surface Protection Bitumen flat roofs have weight limits. The structure underneath determines how much load the roof can support, including the weight of people and equipment. Never store materials or equipment on the roof long-term. Even temporary storage should be carefully considered, distributing weight across large areas rather than concentrating it in small spots. When placing ladders on the roof surface, use boards underneath to spread the load. The same applies to any heavy tools or equipment. Material Quality and Roof Longevity Maintenance keeps roofs performing well, but the materials used during initial installation or repairs fundamentally determine how well the roof can be maintained and how long it will last. Importance of Compatible Materials Using incompatible materials for repairs creates problems. Different bitumen types, adhesives, or sealants might not bond properly or could chemically react, causing premature failure. Always verify that repair materials are compatible with your existing membrane. Product data sheets specify compatibility; check before purchasing. When in doubt, consult the original manufacturer or material supplier. Quality Specifications for Repairs Not all bitumen repair materials offer equal performance. Budget products might seem attractive, but poor-quality repairs fail quickly, often causing additional damage in the process. Specify materials designed for your climate conditions. Ireland's wet weather requires products proven to perform in high-moisture environments. UV resistance matters for exposed surfaces. Flexibility is essential to accommodate thermal movement. Quality materials cost more upfront but provide better, longer-lasting results. This is particularly true for critical repairs or areas subject to high stress. When to Consider Complete Refurbishment Sometimes, ongoing maintenance stops making economic sense. If your roof needs frequent repairs, if problems develop in multiple areas, or if the membrane has simply reached the end of its useful life, refurbishment or replacement becomes more cost-effective. Professional assessment helps determine whether you're at this point. A roof survey identifies the extent of underlying problems that might not be obvious during routine inspections. Modern roofing systems often offer improved performance over older materials. New coatings, better membranes, enhanced insulation, and refurbishment provide an opportunity to upgrade as well as repair. Documentation and Record Keeping Good records transform maintenance from reactive to proactive. They help identify developing patterns, support warranty claims, and provide essential information when problems arise. Inspection Logs Keep written records of every inspection. Note the date, weather conditions, what you checked, and what you found, even if you found nothing wrong. Photograph anything from consistent angles to track changes over time. These logs become invaluable. They show maintenance history if you sell the property. They provide evidence of proper care if warranty claims arise. They help identify whether problems are new or have been developing slowly. Maintenance History Record every maintenance task performed: what was done, when, by whom, and what materials were used. Keep receipts and product specifications for any materials purchased. This history is particularly important for repairs. If a repair fails, knowing exactly what materials were used and how they were applied helps diagnose why the failure occurred and what should be done differently. Professional Work Records When contractors perform work, ensure you receive detailed reports including materials used, work performed, and any warranties provided. Keep these documents indefinitely; they're part of your building's permanent record. Good contractors provide thorough documentation without being asked. If a contractor can't or won't provide detailed records of work performed, consider whether they're the right choice for your project. Frequently Asked Questions How often should I actually walk my bitumen flat roof for maintenance purposes? A thorough visual inspection twice yearly represents the minimum, typically in spring and autumn. However, quarterly checks on drainage systems and debris accumulation provide better protection. Post-storm inspections should occur after any severe weather event. The specific frequency depends on your roof's age, nearby vegetation, and building use. Older roofs or those with past problems benefit from more frequent attention. Commercial buildings with rooftop equipment need more regular access and, therefore, more frequent condition checks than simple residential flat roofs with minimal traffic. Can I pressure wash debris off my bitumen flat roof? Pressure washing can damage bitumen membranes if done incorrectly. Never use high pressure directly on the surface; you risk dislodging mineral surfacing, forcing water under seams, or even puncturing the membrane. If using a pressure washer, keep the pressure below 1000 PSI and maintain a significant distance from the surface. For most debris removal, a stiff-bristled broom works better and safer. Pressure washing is more appropriate for clearing drainage outlets and gutters than for general roof surface cleaning. Always test on a small, inconspicuous area first if you're uncertain. What's the difference between preventative maintenance and reactive repairs on bitumen roofs? Preventative maintenance involves regular scheduled tasks, clearing debris, checking drainage, removing vegetation, and inspecting for early signs of problems. These activities stop issues from developing in the first place. Reactive repairs respond to identified problems after they've occurred. The distinction matters because preventative maintenance costs dramatically less than reactive repairs. For instance, clearing a blocked outlet costs perhaps twenty pounds in time; fixing the leak that develops from prolonged ponding costs thousands. A well-maintained roof spends most of its budget on prevention; a neglected roof spends everything on repeated crisis repairs. My roof has some soft spots, but it isn't leaking yet. How urgent is this? Soft spots indicate serious underlying problems even without active leaks. They typically mean insulation has become saturated, the deck is deteriorating, or moisture has compromised structural integrity between roof layers. These problems worsen rapidly and can lead to sudden failure. Get a professional assessment immediately. Soft spots rarely improve on their own and always deteriorate further. The longer you wait, the more expensive repairs become. What might currently need localised repair could quickly require complete roof replacement if structural damage spreads. Consider soft spots an emergency requiring urgent professional attention. Are bitumen flat roof coatings worth applying as part of maintenance? Quality reflective coatings can extend bitumen roof life by 5-10 years when applied to roofs in reasonable condition. They provide UV protection, reduce surface temperatures, improve waterproofing, and can address minor surface degradation. However, coatings aren't magic solutions for roofs with serious structural problems, extensive damage, or failing membranes. They work best as preventative measures or minor restoration for roofs approaching but not exceeding their expected lifespan. Professional assessment determines whether your roof is a good candidate for coating or needs more substantial intervention. The coating's performance also depends heavily on proper surface preparation and application technique. Source Premium Bitumen Roofing Materials from QBM Effective maintenance starts with quality materials. Whether you're sourcing repair products, protective coatings, or complete membrane systems, the materials you specify make the difference between repairs that last and those that fail prematurely. QBM supplies professional-grade bitumen roofing materials throughout Ireland, helping contractors and property managers maintain their flat roofs to the highest standards. Our team understands Irish weather conditions and can guide you toward materials proven to perform in our climate. Contact QBM today to discuss your bitumen flat roof maintenance requirements or to get expert recommendations on repair materials and protective systems for your property.

Modified bitumen is one of the most widely used waterproofing systems for flat and low-slope roofs across Ireland, particularly on commercial, warehouse, and industrial buildings. It combines the proven waterproofing performance of bitumen with polymer modification to improve flexibility, durability, and resistance to cracking. If you’re comparing flat roof options, understanding how modified bitumen works (and how it’s installed) will help you choose a system that performs reliably over time. What Is Modified Bitumen Roofing? Modified bitumen is an incredibly sturdy yet flexible asphalt membrane that's been enhanced with polymer additives. Think of it as traditional bitumen roofing that's been upgraded for better performance. The material combines asphalt with either rubber-based polymeric binders or plastic modifiers, all reinforced with a layer of polyester or fibreglass for extra strength. The term "modified" refers specifically to how the bitumen has been altered with these polymers. This modification process transforms standard asphalt into something far more durable and adaptable to different weather conditions. Most mod-bit roofing systems consist of multiple layers – typically two or more – creating what's known as a multi-ply system. This layered approach provides better waterproofing protection than single-layer solutions. The Composition Behind the Material At its core, modified bitumen membranes start with bitumen (a petroleum-based material) that gets mixed with polymers during manufacturing. The addition of synthetic rubber or plastic compounds changes the physical properties of the asphalt, making it either more elastic or more heat-resistant, depending on which polymers are used. Reinforcement materials – usually fibreglass or polyester – are embedded within the membrane during production. These reinforcements give the finished product its high tensile strength and resistance to tears. How It Differs from Traditional Asphalt Built-up roofing systems (BUR), which have been around for over a century, require multiple alternating layers of hot asphalt and roofing felt to be applied on-site. It's a labour-intensive process that can take considerable time. Modified bitumen simplifies this. The material arrives ready to install in roll format, with the polymers already integrated. This means faster installation and, quite frankly, less mess on the job site. Types of Modified Bitumen Systems When you're selecting materials for a roofing project, you'll encounter two main types of modified bitumen membranes. Each has distinct characteristics that make it suited to particular applications. SBS Membranes SBS (Styrene-Butadiene-Styrene) modified bitumen behaves a bit like rubber. The synthetic rubber modification gives these membranes remarkable flexibility and elastic properties. They remain pliable even in cold weather, which makes them particularly well-suited to the Irish climate, where temperature swings can be quite dramatic. This flexibility means SBS systems handle thermal movement exceptionally well. When buildings expand and contract with temperature changes, SBS membranes flex rather than crack. They're also more forgiving during freeze-thaw cycles, which is something worth considering given our winters. SBS membranes can be installed using several methods – torch application, cold adhesives, or even hot mopping. This versatility in installation options often appeals to contractors who might have preferences based on the specific job conditions. APP Membranes APP (Atactic Polypropylene) modified bitumen has plastic-like qualities that make it quite different from SBS. The plastic modification gives these membranes superior UV resistance and a higher melting point. Because APP membranes can tolerate higher temperatures during installation, they're somewhat more forgiving when being torch-applied. This characteristic has made them popular for smaller residential projects or situations where precision during installation might be challenging. APP roofing excels at shedding water efficiently. The material's composition promotes effective water runoff, reducing the risk of ponding water on flat surfaces. Feature SBS Modified Bitumen APP Modified Bitumen Base Material Synthetic rubber (elastic) Plastic polymers (rigid) Flexibility Highly flexible, remains elastic in cold Less flexible, more rigid Temperature Performance Better in cold climates Better UV resistance Installation Methods Torch, cold adhesive, hot mop Primarily torch-applied Best For Variable climates, commercial buildings Warmer climates, residential projects Key Benefits and Practical Advantages So why do building professionals keep coming back to modified bitumen? The advantages are quite compelling when you look at the complete picture. The waterproofing protection offered by these systems is excellent. Multi-ply mod-bit installations create multiple barriers against water penetration, which is obviously crucial for any flat roof application. The material itself is highly waterproof by nature, but the layered installation approach adds redundancy. Tear resistance is another major benefit. Modified bitumen membranes have extremely strong tensile properties. They resist punctures from foot traffic, wind-driven debris, and other hazards that might damage lesser materials. This durability means fewer emergency repairs and lower maintenance costs over the roof's service life. Energy efficiency considerations have become increasingly important. Some modified bitumen products offer good UV reflection, which helps reduce cooling costs during warmer months. The insulation values can be tailored based on project requirements, though that's typically handled through separate insulation layers rather than the membrane itself. Installation is relatively straightforward compared to some alternatives. Contractors familiar with bitumen systems can typically complete mod-bit installations efficiently. The rolled membrane format makes handling easier, and repairs can be executed quickly if damage does occur. Perhaps what's most appealing is the track record. Modified bitumen systems have been protecting commercial buildings for decades. There's something reassuring about choosing a material with proven long-term performance rather than gambling on newer, less-tested alternatives. Installation Methods and Considerations Understanding how modified bitumen gets installed helps explain both its popularity and its limitations. Torch-down application  remains the most common installation method. Contractors use propane torches to heat the underside of the membrane until it melts slightly, then roll it out onto the prepared substrate. As the material cools, it bonds to the surface below. This creates a robust, waterproof seal that's difficult to beat. The torch method does produce noticeable odours during installation. It's not pleasant, and building occupants may need to relocate temporarily. The fumes can be quite strong, though proper ventilation helps considerably. Cold adhesive systems  offer an alternative that eliminates the torch and its associated fumes. Special adhesives bond the membrane to the substrate without requiring heat. This approach works well in situations where fire safety is a concern or when working near sensitive equipment. Self-adhering membranes  represent a third option. These materials have a peel-and-stick backing that bonds directly to the roof deck. While convenient, they're generally considered less reliable than torch-applied systems for long-term performance. Regardless of installation method, proper substrate preparation is essential. The existing roof deck must be clean, dry, and structurally sound. Any deficiencies in the substrate will compromise the new roofing system's performance. Common Applications for Modified Bitumen Modified bitumen excels in specific scenarios, which is why you'll find it on certain building types more than others. Commercial properties  with flat or low-slope roofs represent the primary application. Warehouses, retail centres, office buildings, and light industrial facilities frequently specify mod-bit systems. The material handles the thermal stress from Ireland's weather patterns quite well. The roofing system works particularly well on structures where foot traffic is expected. Mechanical equipment requiring regular maintenance, HVAC units needing servicing, or rooftop access for various purposes – modified bitumen can handle these demands better than some single-ply alternatives. Residential applications  are less common but not unheard of. Flat-roofed extensions, garages, and modern architectural designs sometimes incorporate modified bitumen membranes. The material's durability appeals to homeowners wanting long-lasting protection. Industrial facilities  benefit from mod-bit's resistance to various chemicals and environmental stresses. Manufacturing plants, processing facilities, and similar structures often choose these systems for their reliability. Low-slope roofs present specific challenges that modified bitumen addresses effectively. The material's waterproofing capabilities and its ability to handle ponding water (to a degree) make it suitable for roofs with minimal pitch. Maintenance and Lifespan Expectations No roofing system is truly "install and forget," though modified bitumen comes reasonably close with proper care. A typical lifespan is often in the 15–35 year  range, depending on: system selection and surfacing detailing quality wind exposure and roof traffic drainage performance inspection and repair regime A professionally installed system will significantly outlast a rushed or poorly executed one. Regular maintenance extends life considerably, while neglect shortens it. Climate impact shouldn't be underestimated. Ireland's wet conditions and temperature variations do stress roofing materials over time. Modified bitumen handles these conditions reasonably well, but the Irish climate isn't exactly gentle on any roofing system. Routine Care Requirements Semi-annual inspections represent the cornerstone of proper maintenance. Spring and autumn checks allow you to identify small issues before they become expensive problems. After severe storms – particularly those involving high winds or hail – additional inspections are advisable. During inspections, look for obvious damage: tears, punctures, loose seams, or areas where the membrane might be pulling away from the substrate. Check drainage points to ensure water isn't pooling anywhere it shouldn't be. Minor repairs are typically straightforward. Small tears or punctures can be patched using compatible modified bitumen material and appropriate sealants. Larger problems obviously require professional attention. Keep the roof surface clear of debris. Leaves, branches, and other accumulations hold moisture against the membrane and can promote deterioration. Regular cleaning – just sweeping off debris, really – goes a long way toward extending the roof's life. Frequently Asked Questions How long does modified bitumen roofing typically last in Irish conditions? Modified bitumen systems generally last between 15 and 35 years in Ireland, though this varies based on installation quality, maintenance practices, and specific site conditions. Our climate's combination of moisture and temperature fluctuations does impact longevity. Regular inspections and prompt repairs help maximise the lifespan. Buildings with good drainage and minimal foot traffic typically see systems lasting toward the upper end of this range. Proper specification of the correct membrane type for your specific application also influences durability. Can modified bitumen be installed over existing roofing materials? In many cases, yes, though this depends on the existing roof's condition. The substrate must be structurally sound, dry, and properly prepared before applying new modified bitumen. Wet or damaged insulation underneath needs to be replaced first. A thorough roof survey identifies whether overlay installation is viable or whether a complete tear-off makes more sense. Sometimes adding new roofing over old creates problematic weight loads or traps moisture, so a professional assessment is important before proceeding. What's the difference between mod-bit and traditional built-up roofing? Built-up roofing requires multiple layers of hot asphalt, and roofing felt applied on-site, creating a thick, heavy system. Modified bitumen arrives as factory-made rolls with polymers already integrated, making installation faster and cleaner. Mod-bit systems are lighter weight, more flexible, and generally easier to maintain. Both provide multi-layer waterproofing protection, but modified bitumen's polymer enhancement gives it better performance in temperature extremes. The installation process for mod-bit also produces less on-site mess compared to traditional BUR systems. Does modified bitumen work well for buildings with heavy rooftop equipment? Modified bitumen handles rooftop equipment quite effectively. The material's high tensile strength resists punctures and tears from foot traffic around mechanical systems. Its durability makes it sensible for roofs requiring regular maintenance access. However, equipment placement still requires proper planning – walkway pads, equipment curbs, and appropriate load distribution remain important. The membrane itself won't fail under normal foot traffic, but concentrated point loads or sharp edges obviously need consideration. Many commercial buildings with extensive rooftop HVAC installations successfully use mod-bit systems. Are there environmental considerations with modified bitumen roofing? Modified bitumen is a petroleum-based product, which raises environmental questions. The torch application process releases emissions during installation, though this is temporary. Some manufacturers now offer products with recycled content, reducing the environmental impact somewhat. The material's longevity means less frequent replacement compared to shorter-lived alternatives, which arguably offsets some environmental concerns. At the end of life, proper disposal is important. Some modified bitumen can be recycled, though this depends on local facilities. Specifying lighter-coloured or reflective-surfaced membranes can improve energy efficiency during the roof's service life. Partner with QBM for Quality Roofing Materials Choosing the right roofing materials makes all the difference in how your project performs over the years. Modified bitumen systems offer proven reliability for commercial and industrial applications across Ireland. At QBM, we supply premium modified bitumen membranes and complementary roofing materials for contractors throughout Ireland. Our team understands the specific demands of Irish weather conditions and can help you select the most suitable products for your project requirements. Contact QBM today to discuss your roofing material needs or to get expert guidance on selecting the right modified bitumen system for your next project.

When you're budgeting for a commercial roofing project, one question matters more than almost any other: how long will this roof actually last? It's a fair question, especially given the investment involved. Nobody wants to be facing another roof replacement in just a few years. Bitumen roofing systems have protected Irish buildings for decades, but their lifespan isn't a simple number you can look up and forget about. The reality involves several variables, from material type to weather conditions to how well the roof gets maintained over the years. Let's walk through what you can realistically expect from a bitumen roof, and perhaps more importantly, what factors will either add years to its service life or cut it short. Understanding Bitumen Roofing Lifespans The average lifespan of bitumen roofs typically falls somewhere between 20 and 30 years. That's a fairly wide range, isn't it? And there's a reason for that variation. Traditional bitumen felt roofing, the kind you'll find on many flat or low-slope structures across Ireland, generally lasts around 20 to 25 years when properly installed and maintained. These systems have proven themselves over time, though they're not without their limitations. Modified bitumen roofing systems offer a bit more durability in most cases. Expect 15 to 25 years from these materials, with some installations pushing toward 30 years under ideal conditions. The polymer modifications in these products make them more resistant to temperature extremes and weathering. Built-up bitumen systems, which layer multiple plies of material, can last anywhere from 15 to 30 years. The thicker systems with more layers typically sit at the higher end of that range. Bitumen Roof Type Expected Service Life Best Applications Traditional Felt Roofing 20-25 years Residential extensions, garages Modified Bitumen (SBS) 20-25 years Commercial flat roofs, variable climates Modified Bitumen (APP) 15-25 years Smaller projects, warmer regions Built-Up Roofing (BUR) 20-30 years Large commercial buildings Three-Layer Systems 25-35 years High-traffic commercial roofs Now, these numbers represent typical performance. Your actual results? They could vary quite a bit. Types of Bitumen Systems and Their Durability Not all bitumen is created equal, and understanding the differences helps explain why some roofs outlast others. Modified Bitumen Membranes SBS (Styrene-Butadiene-Styrene) modified bitumen behaves somewhat like rubber. The synthetic rubber modification keeps these membranes flexible even when temperatures drop. This flexibility matters in Ireland's climate, where freeze-thaw cycles can stress roofing materials. You're looking at roughly 20 to 25 years from a well-installed SBS system. APP (Atactic Polypropylene) modified bitumen takes a different approach, using plastic polymers instead of rubber. These membranes handle UV exposure quite well and shed water efficiently. They're somewhat less flexible than SBS, which can be a limitation. Expected life runs about 15 to 20 years, perhaps a touch less than SBS in cold climates. Traditional Bitumen Felt The older torch-on felt systems still protect thousands of buildings across Ireland. They're reliable, proven technology. Installation quality makes an enormous difference here; a rushed job might fail within 10 years, while careful work can deliver 25 years of service. Most installations fall somewhere in the middle, around 20 years. Built-Up Roofing Systems BUR systems stack multiple layers of bitumen-saturated felt with hot asphalt between them. More layers generally means longer life expectancy. A three-ply system should outlast a two-ply installation. These systems can be quite heavy, which matters for older structures, but their redundancy provides excellent waterproofing. Life expectancy runs 20 to 30 years, depending on the number of plies and overall construction quality. Climate and Environmental Factors in Ireland Ireland's weather doesn't exactly go easy on roofing materials. The constant moisture, temperature swings, and wind exposure all take their toll. Moisture and Rainfall Our high rainfall presents challenges for flat roofing systems. Bitumen itself is highly waterproof, which is why it works well here, but persistent dampness can find its way into any vulnerabilities in the system. Areas where water pools regularly will deteriorate faster than surfaces that drain properly. Coastal locations face additional moisture stress from salt spray. The salt accelerates certain types of degradation, particularly in metal flashings and fasteners. Expect roofs in coastal areas to need more frequent inspections and possibly earlier replacement. Temperature Variations While Ireland doesn't experience extreme temperature swings compared to continental climates, the freeze-thaw cycles we do get still matter. Bitumen expands when warm and contracts when cold. This movement stresses the material over time, particularly at seams and around penetrations. Modified bitumen systems handle these temperature changes better than traditional felt, which is one reason they've become popular. The polymer modifications maintain flexibility across a wider temperature range. Wind Exposure Exposed roofs, particularly on taller buildings or in coastal areas, face significant wind stress. Wind doesn't just blow debris onto roofs (though that's certainly a concern). It also creates suction forces that can work seams loose over time and lift membrane edges. Buildings in sheltered locations typically see longer roof life than those on hilltops or coastal headlands. It's worth considering when estimating how long your particular installation might last. Installation Quality Makes the Difference Perhaps nothing impacts bitumen roof life expectancy more than how well it was installed in the first place. A poorly installed premium material will fail before a well-installed budget option. Proper substrate preparation matters enormously. The deck must be clean, dry, and sound before any membrane goes down. Moisture trapped underneath will cause blistering and early failure. Structural deficiencies in the deck will telegraph through the roofing, creating stress points. Seam quality deserves special attention. Most bitumen roof leaks originate at seams where sheets overlap. Torch-applied systems require careful heating, too little and the bond fails, too much and you damage the material. Cold-applied systems depend on thorough adhesive coverage. Either way, skilled installation is essential. Flashing details around roof penetrations, edges, and transitions often determine whether a roof lasts 15 years or 25. These are the tricky bits where water really wants to get in. Cutting corners here virtually guarantees problems down the road. Professional contractors with specific training in bitumen systems generally deliver better results than general roofers trying out a new material. It's worth verifying contractor experience before making a selection. Maintenance Requirements for Extended Life Regular maintenance doesn't just catch problems early; it actually extends the roof's service life by preventing minor issues from becoming major damage. Inspection Schedule Twice-yearly inspections represent the minimum for flat bitumen roofs. Spring and autumn make sense as timing goes. You're looking for obvious damage: tears, blisters, loose seams, ponding water, and debris accumulation. After severe weather, particularly high winds or hailstorms, additional checks are wise. Storm damage that gets addressed immediately often costs far less to repair than the same damage left to worsen over months. Drainage Maintenance Keeping drainage systems clear ranks among the most important maintenance tasks. Blocked gutters and drains lead to standing water, which dramatically shortens roof life. Water pooling for more than 48 hours after rainfall indicates a problem that needs addressing. Debris removal goes hand in hand with drainage maintenance. Leaves, moss, and general accumulation hold moisture against the membrane and block water flow. A simple sweep a few times per year prevents these issues. Proactive Repairs Small repairs made promptly prevent bigger problems later. A minor tear patched today stops water infiltration that could damage insulation and deck structure. Loose seams re-sealed now won't develop into major leaks requiring extensive rework. Think of maintenance as adding years to your roof's life rather than as an extra expense. A well-maintained bitumen roof reaching 25 years often costs less overall than a neglected one needing replacement at 15 years. Signs Your Bitumen Roof Needs Attention Knowing when your roof is approaching end-of-life helps with budgeting and planning. Several warning signs suggest problems: Visible surface cracking indicates the bitumen is becoming brittle with age. Small cracks might be repairable, but widespread crazing usually means the roof is nearing the end of its useful life. Blistering occurs when moisture gets trapped under the membrane, then expands when heated by the sun. Small blisters can be cut out and patched, but extensive blistering often signals more fundamental problems with moisture infiltration. Persistent leaks, especially multiple leak points, suggest the membrane's waterproofing integrity is compromised. One leak might be a flashing issue, but several usually indicate broader deterioration. Ponding water that doesn't drain within 48 hours after rainfall points to structural issues, sagging deck, inadequate slope, or blocked drainage. This accelerates roof deterioration and needs addressing regardless of the roof's age. Exposed felt or membrane layers indicate the protective surfacing has worn away. Without that protection, UV radiation and weather will quickly degrade the exposed bitumen. Factors That Shorten Roof Life Several issues commonly rob bitumen roofs of the years they should have provided: Poor initial installation, as mentioned earlier, can cut expected service life in half. Insufficient adhesive, inadequately sealed seams, or improper substrate preparation create failure points. Deferred maintenance allows small problems to grow. That minor tear becomes a major leak. The slightly blocked drain leads to ponding, which causes membrane degradation. Foot traffic beyond what the roof was designed to handle wears down the surface prematurely. Modified bitumen holds up better to traffic than traditional felt, but even it has limits. Walkway pads in high-traffic areas help considerably. Incompatible repairs using wrong materials or methods can actually accelerate deterioration. Using the wrong type of adhesive or patching material creates problems rather than solving them. Extreme heat exposure, particularly on south-facing roofs without reflective coating, accelerates ageing. Dark bitumen membranes absorb significant heat, which, over time, breaks down the material's structure. Extending Your Roof's Service Life Several strategies can add years to a bitumen roof's performance: Reflective coatings applied to the membrane surface reduce heat absorption, which slows deterioration. These coatings can add 5 to 10 years to a roof approaching its expected lifespan. Proper ventilation underneath the roof deck reduces moisture accumulation and temperature extremes. Both factors contribute to longer material life. Regular professional inspections catch developing issues before they become serious problems. Think of it as preventive medicine for your roof. Quality materials matter from the start. Premium bitumen membranes with higher polymer content typically outlast budget options by several years. The upfront cost difference often pays for itself in extended service life. Limiting unnecessary foot traffic preserves the membrane surface. Installing permanent walkway pads in areas requiring regular access protects the rest of the roof. Comparing Bitumen to Alternative Materials Understanding how bitumen stacks up against other flat roofing options provides useful context: EPDM rubber roofing typically lasts 30 to 50 years, significantly longer than bitumen. However, it costs more initially and requires different installation expertise. EPDM handles foot traffic less well than modified bitumen. TPO (thermoplastic polyolefin) membranes run 20 to 30 years, similar to bitumen. TPO offers better heat reflection but can be more expensive and is somewhat newer technology without the decades-long track record bitumen has. PVC roofing can last 30 years or more, but costs considerably more than bitumen systems. The seams are heat-welded, creating stronger joints than bitumen overlaps. Built-up roofing with gravel surfacing can match or exceed modified bitumen's lifespan at a similar cost. However, it's heavier and requires a more complex installation. Bitumen remains popular partly because it offers good performance at a reasonable cost. It's proven technology that contractors understand well, which reduces installation risks. Frequently Asked Questions What's the typical lifespan for felt roofing on a flat roof in Irish conditions? Traditional bitumen felt roofing in Ireland generally lasts 20 to 25 years when properly installed and maintained. Our climate's constant moisture and temperature variations do stress these systems, but bitumen's inherent waterproofing properties make it well-suited to Irish conditions. Regular inspections twice yearly help identify small issues before they shorten the roof's life. Coastal installations might see slightly shorter lifespans due to salt exposure, while sheltered inland locations sometimes exceed 25 years. Installation quality and ongoing maintenance affect actual performance more than any other factors. How does modified bitumen compare to traditional bitumen felt in terms of lasting performance? Modified bitumen typically matches or slightly exceeds traditional felt roofing lifespan, running 20 to 25 years for SBS systems. The key difference isn't necessarily total years but performance quality throughout that lifespan. Modified bitumen maintains better flexibility in cold weather and resists cracking more effectively than traditional felt. It handles foot traffic better and generally requires fewer repairs over its service life. For high-traffic commercial roofs or buildings in exposed locations, modified bitumen often makes more sense despite similar lifespans. The improved durability during the roof's life provides value beyond just years of service. Can you extend a bitumen roof's life beyond its expected service period? Yes, several approaches can add years to an ageing bitumen roof. Applying reflective coatings when the roof reaches 15 to 20 years can extend service life by 5 to 10 years while improving energy efficiency. These coatings protect the underlying membrane from UV degradation and reduce heat absorption. Professional restoration involving repairs to damaged areas plus protective coating application offers an economical alternative to full replacement. However, this only works if the underlying structure remains sound and the membrane hasn't deteriorated too extensively. Not every roof qualifies for life extension, thorough professional assessment determines viability. What maintenance frequency actually makes a difference to roof life expectancy? Semi-annual inspections, typically in the spring and autumn, represent the minimum effective maintenance schedule for bitumen roofs. These inspections should check drainage systems, identify any damage, and address minor issues before they worsen. Additionally, clearing debris at least quarterly prevents drainage blockages and moisture retention. Following severe weather, immediate inspection catches storm damage while it's still easily repairable. Properties with overhanging trees may need more frequent debris clearing. The time and modest cost invested in regular maintenance typically adds 5 to 10 years to a roof's service life compared to reactive-only maintenance approaches. Does the number of bitumen layers significantly affect how long the roof lasts? Multi-ply bitumen systems generally outlast single-ply installations by several years. A three-ply system might last 25 to 30 years, whereas a two-ply system provides 20 to 25 years. The additional layers create redundancy; if the top layer develops minor damage, the underlying layers continue protecting the structure. However, more layers mean more weight, which matters for buildings with limited structural capacity. The cost difference between two-ply and three-ply systems is significant enough that it doesn't always make economic sense. For critical applications where replacement would be particularly disruptive or expensive, the extra layers justify their cost through extended service life and improved reliability. Source Quality Bitumen Roofing Materials from QBM Understanding how long bitumen roofs last helps you plan properly and budget realistically for your roofing projects. The materials you specify make a real difference in achieving those lifespans. QBM supplies premium bitumen roofing materials throughout Ireland, helping contractors and building owners source the quality products that deliver long-term performance. Our team understands Irish weather conditions and can guide you toward materials suited to your specific application. Contact QBM today to discuss your bitumen roofing material requirements or to get expert recommendations on products that will provide the durability and lifespan your project demands.

We partner with architects and engineers at every stage. Access specification tools, site support and certified roofing systems for any project scale. Architects & Engineers Roofing Systems: Our comprehensive range of flat roofing solutions combines compliance excellence with environmental performance. Green & blue roof solutions for sustainable urban drainage. BROOF(t4) fire-rated systems for safety compliance. Superior thermal performance and condensation control. Extended warranty options up to 25 years. Product excellence tailored for visionaries: Our product range is a testament to our commitment to research, innovation, quality, design, and sustainability, specifically designed to meet the diverse needs of architects and engineers: Warranties and guarantees for peace of mind: Trust is built on reliability. Our products come with solid product warranties and guarantees, ensuring that your projects stand the test of time, backed by our commitment to excellence and durability. We back every product, providing you and your clients with assurance in the reliability and longevity of our roofing solutions. Every solution comes with comprehensive warranties and guarantees, ensuring that your projects not only meet but exceed expectations in durability and performance. Details are provided on each product page. CPD Opportunities Stay ahead of the curve with our in house CPD course. Our team of roofing experts will deliver this 1-hour, RIAI-approved, in-person CPD titled 'Eco Flat Roofing Systems' at your convenience in your architecture practice. CPD Title: Eco Flat Roofing Systems Training Subject: EPDM Flat Roofing Systems CPD Points: 1 Structured CPD Point The CPD seminar focuses on the following areas: Structural deck options Thermal insulation options for flat roofs Waterproofing membrane options EPDM, membranes, how they are manufactured, their environmental credentials, and their advantages Flat roofing, good practice details Working with green roof Enquire Now What our customers say: Our testimonials speak volumes. Hear firsthand from architects and engineers who have transformed their projects with our roofing solutions, and find out why they trust us time and again. Jonathan Goodey Roofing Contractor Our roofing company has been operating for over 20 years. We are delighted with the technical support and assistance we receive from QBM. They are a unique specialist roofing supplier. QBM offer a range of solutions to meet with our clients building requirements. QBM will always work with our team to deliver the best roofing solutions and deliver a first class project for our clients. Pat O'Leary Architect I am delighted to recommend to QBM. They have a fantastic range of roofing systems. I believe their technical support and assistance is the best available in the market. All of their systems come with certified BBA approval. They also provide very strong warranties which is a bonus for my clients. John Kelly Roofing Contractor I have been a roofing contractor and general builder for over 15 years. In that time I have had extensive experience in laying different types and makes of roofing membranes including torch on felt and pvc systems. In my opinion Firestone RubberCover EPDM roofing systems is the best system available on the market. I can cover many small residential roofs in one piece of rubber. With the extremely long life expectancy my clients do not have to worry about replacing their roofs in the future. The technical assistance and support which I receive from QBM is one of the many reasons why I would recommend using Firestone EPDM Rubber Cover to waterproof any flat roof. Find an registered Installer: Ensure flawless execution by partnering with one of our registered installers. Experience seamless installation and craftsmanship that meets our industry leading standards. Contact technical@qbm.ie for further details

Our range of residential roofing systems offers durability and protection, industry leading warranties and QBM’s expertise to help you choose the right system for your home. Residential Solutions Does your home require a durable, easy-to-install, and eco-friendly flat roofing or cladding system? At QBM, we understand the unique challenges presented by roofing projects for residential homes in Ireland. Whether you're restoring a classic home, working on a new build, or adding eco-friendly garden rooms, we've got the solutions and materials to keep your house warm and watertight. Ireland's varied climate demands roofing solutions that can withstand everything from driving rain, howling winds, and the occasional ray of sunshine. Our range of residential roofing systems offers durability and protection, industry leading warranties and QBM’s expertise to help you choose the right system for your home. What to consider when picking a new roofing product. Eco-Friendly solutions Find an environmentally friendly roofing product. A solution that brings together durability, flexibility, and environmental responsibility. Whether you're enhancing your current home or embarking on a new build. Why not go even further and explore our range of green roofing systems contributing to a more sustainable environment. Durability and sustainability: Opt for our Elevate (formally Firestone) Rubber CoverEPDM roofing system, designed for the long haul, offering significant resistance against environmental challenges such as UV radiation, ozone exposure, and severe weather conditions. A solution with a proven track record of maintaining structural integrity and performance over decades will ensure your investment is both sustainable and cost-effective, minimising the need for frequent replacements or repairs. Easy Installation, no flame solution: Find a lightweight, flexible product that allows for quick, one-piece installation without the need for special tools or flame-based methods, minimising fire risks. QBM Rubber Cover EPDM is the ideal solution for your flat roofing projects. How do I choose the right solution? How do I know which one solution to choose, or which thickness is applicable? Our expert team is here to guide you through the selection process, ensuring you choose the most suitable option for your residential roofing needs. Roof Repair Supplies QBM stock all you need for any roof repair. Our Elevate RubberCover EPDM is the ideal solution for your leaking roof. Our trained roofing contractors can quickly and easily repair a leaking roof. Learn More Contact Us: Explore our residential roofing solutions today and discover how we can help you enhance your home's roof with durable, eco-friendly, and easy-to-install products. Contact Us Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key.

QBM is Ireland trusted specialsts and suppliers of roofing systems, façade, materials, and accessories. See our full products range for leading brands for roofing contractors, architects, engineers, builders and the DIY or call today for expert advice. QBM Product Range At QBM, we proudly offer a quality selection of roofing systems, materials, and accessories. Our products are tailored to meet the unique needs of roofing contractors, architects, engineers, builders, and DIY enthusiasts throughout Ireland. Filter items with Title BIPVco General Membrane FAKRO Rockpanel Rockwool Limited Vestis © Mazzonetto Spa bst GmbH PF Freund & Cie. GmbH Zambelli Harmer Roof Outlets Prod-Masz Maris Polymers S.M.S.A Kalzip GmbH Imperial Thermal Engineering Ltd ItalProfili Rainwater Outlets Elevate FDT Flachdach Technologie GmbH ULTRAFLEX Polyroof Products BIPVco Integrated Solar EPDM Facade Membrane Systems EPot ETORCH3 Elevate Isogard HD Cover Board Elevate Modular Roofing Elevate RubberCover EPDM (formally Firestone) Elevate RubberGard EPDM - EPDM SA Fakro Flat Roof Lights Fakro Light Tunnels Freund Tools General Membrane Harmer Rainwater Outlets Italprofili Roofing Accessories Kalzip Foldable Aluminium Kalzip® FC Facade System Mariseal Detail Polyroof Protec Evolve Polyroof Protect System Prod-Masz Folding Machines ROCKWOOL HARDROCK® Multi-Fix Dual Density boards ROCKWOOL RAINSCREEN DUO SLAB Rhenofol CG Membrane Rhenofol CV Membrane Rhepanol HFK (PIB) Flatroof Membrane Rockpanel Ultraflex Liquid Membrane Vestis Aluminium Vestis Rainwater System Zambelli Rainwater Systems bst flat roof drainage systems & accessories Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key.