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Choosing the right flat roof material isn’t always straightforward. You’ve probably heard about EPDM, that black rubber membrane that’s become increasingly popular across Ireland, but you might be wondering whether it’s actually the right choice for your property. Maybe you’re roofing a new extension, or your existing flat roof has reached the end of its life and needs replacing. Either way, it makes sense to understand the pros and cons properly rather than choosing a system simply because it’s common. EPDM roofing has been used for over 60 years , which says a lot about its reliability. But like any roofing material, it has both strengths and limitations. Some buildings benefit hugely from EPDM’s durability and cost-effectiveness, while others might be better suited to PVC, TPO, or bituminous systems. This guide explains what EPDM roofing is, how it performs in Irish conditions, where it excels, and where it falls short, so you can decide if it makes sense for your project. What Is EPDM Roofing? EPDM stands for ethylene propylene diene monomer , though you’ll rarely hear anyone use the full name. It’s a synthetic rubber membrane widely used on flat and low-slope roofs  across Ireland. EPDM is typically supplied in thicknesses from around 1.1mm up to 2.3mm , depending on the application. Most membrane is black, although white EPDM  is also available for improved solar reflectivity (more common on commercial buildings). Roll sizes vary by manufacturer, but modern EPDM systems can often be supplied in wide sheets , reducing the number of seams required on larger roofs. The Standout Advantages 1) Cost-Effectiveness That Makes Sense Let’s talk cost first, because that’s often where the decision starts. EPDM roofing is generally considered a cost-effective flat roofing option, particularly on domestic roofs and straightforward commercial projects. Material pricing is competitive, and installation is typically faster than more complex multi-layer systems. The final installed cost depends heavily on the system design and installation method, such as: Ballasted  (held down with stone or pavers) Fully adhered  (bonded to the substrate with adhesive) Mechanically fixed  (secured using plates and fasteners) Ballasted systems can be cost-effective where structure and loading allow, while fully adhered installations often cost more but perform strongly in exposed, windy locations. 2) Built to Last Decades A properly installed EPDM roof can last 30 to 50+ years , supported by long-term real-world performance. EPDM resists UV radiation extremely well , which is one of the biggest contributors to roof ageing. It also performs reliably through Irish weather patterns, rain, wind, and seasonal temperature changes, without becoming brittle or cracking when installed correctly. 3) Flexible Installation Options EPDM gives you several installation routes depending on the building and site exposure: Ballasted systems  use gravel or paving to hold the membrane down Fully adhered systems  bond the membrane directly to the substrate Mechanically fixed systems  secure it with fasteners and plates Ballasted systems can work well for large commercial roofs where structural load capacity is available. Fully adhered systems tend to perform very well in coastal and high-wind locations. Mechanically fixed systems can be a good middle ground depending on design and budget. 4) Low Maintenance Requirements Once installed, EPDM doesn’t usually require frequent intervention. It doesn’t need regular recoating like some roofing systems. A sensible approach is two inspections per year , typically: Spring (after winter weather) Autumn (before winter conditions) Repairs are also relatively straightforward. Small punctures can normally be patched using compatible EPDM repair materials, without replacing large roof areas. 5) Energy Efficiency Considerations EPDM’s impact on energy use is influenced more by the insulation build-up than by the membrane itself. Black EPDM  absorbs solar heat. In Ireland’s climate, this can be neutral or even beneficial in cooler months, depending on the building. White EPDM  reflects more solar gain, helping reduce internal overheating on buildings with high summer heat loads or air conditioning. For best performance, EPDM should be installed as part of a properly designed warm roof system using suitable insulation boards and vapour control layers. 6) Environmental Considerations EPDM is often considered one of the more sustainable flat roofing options due to: Long service life (fewer replacements over time) Reduced material waste over the building’s lifespan Compatibility with solar and green roof build-ups Recyclability can vary by manufacturer and facility availability, but EPDM is widely promoted as a material with better end-of-life sustainability potential than many traditional alternatives. 7) Fire Performance (System Dependent) EPDM membranes can perform well in fire-tested roof build-ups, but fire performance depends on the full roof system , including insulation type, deck, adhesive, and surface finishes. For commercial jobs or buildings with strict compliance needs, always confirm the roof build-up achieves the required fire classification under the relevant standards. The Drawbacks You Should Know 1) Puncture Vulnerability Needs Attention EPDM isn’t the most resistant material to sharp impact compared to some multi-layer systems. Risks include: Dropped tools during maintenance Sharp debris blown onto the roof Concentrated foot traffic in the same routes Most EPDM installed domestically is non-reinforced , which is more vulnerable to puncture than reinforced EPDM options. EPDM can also shrink slightly over time in certain conditions, which can increase stress at edges and details if not installed and detailed correctly. This is one reason why correct perimeter detailing and experienced installation matters. If regular access is expected, it’s strongly advisable to include: Designated walkway pads Protected service routes Extra protection at plant areas 2) Seam Performance Depends on Workmanship EPDM seams are usually formed using seam tape and primer, or liquid bonding methods depending on system type. Seams are not inherently weak, but they do rely on: Correct surface preparation Proper priming and rolling technique Suitable temperatures and dry conditions during installation Poor workmanship is a common cause of issues, especially around edges, penetrations, and changes of level. Choosing an experienced installer and following system-specific installation guidelines is essential. 3) Aesthetic Limitations Black EPDM is functional but not particularly attractive if the roof is visible from upper floors or neighbouring buildings. White EPDM may look cleaner, but it remains a plain sheet finish. If appearance is important, alternative systems (or roof finishes above the membrane) may be better suited. 4) Chemical Sensitivity EPDM does not react well with petroleum-based products and certain oils. This matters most on roofs where: Mechanical plant might leak oil or grease Rooftop works involve contact with solvents or petroleum products For buildings where chemical exposure is likely (certain commercial/industrial buildings), PVC membranes may be a better option due to superior chemical resistance. Comparing EPDM to Other Flat Roofing Materials EPDM vs TPO TPO membranes typically have heat-welded seams , which can be stronger than taped seams when installed correctly. TPO is usually supplied in light colours for improved reflectivity. However, EPDM has a longer proven track record , and is often more cost-effective on many projects. EPDM vs PVC PVC provides: Strong heat-welded seams Excellent chemical resistance More aesthetic options (colour choices) The downside is cost: PVC is often significantly more expensive than EPDM, so it’s usually selected where performance requirements justify the extra spend. EPDM vs Modified Bitumen Modified bitumen: Handles foot traffic well Offers good puncture resistance Provides multi-layer redundancy But it generally takes longer to install and can involve higher-risk installation methods depending on the system used. EPDM is often quicker and cleaner for domestic and light commercial projects. EPDM vs Traditional Felt Traditional felt systems can have lower upfront cost, but typically offer: Shorter lifespan Higher maintenance needs Greater vulnerability to UV ageing over time For most permanent buildings, EPDM is usually the better long-term value. Thickness Selection Guide (Metric) Membrane Thickness Typical Applications Lifespan Expectation Relative Cost 1.1mm Light traffic roofs, domestic extensions 20–30 years Budget-friendly 1.5mm Domestic long-term value, moderate use 30–40 years Mid-range 1.9mm Higher-traffic areas, demanding conditions 40+ years Higher investment 2.3mm Industrial / high-risk / plant-heavy roofs 50+ years Premium pricing Thicker isn’t automatically better, it depends on your roof’s purpose. A small garden structure won’t usually need 2.3mm EPDM, while a commercial roof with regular access should avoid the thinnest option. Installation Considerations for Ireland Wind Exposure Coastal and exposed sites often require more robust attachment design. Fully adhered and mechanically fixed systems generally perform better where wind uplift is a concern. Drainage and Falls Drainage is critical due to Ireland’s rainfall levels. Even “flat” roofs should be designed with falls, commonly a minimum of 1:80 , to reduce ponding. Persistent standing water accelerates ageing across most roof types and increases leak risk at details and penetrations. Installation Temperatures Most EPDM adhesives and seam tapes work best in mild, dry conditions. As a general rule, installation is more reliable when temperatures are above 5°C  and the deck is fully dry. Common Installation Mistakes to Avoid Poor substrate preparation  (dust, moisture, uneven surfaces) Weak detailing at penetrations  (pipes, skylights, vents) Overstretching the membrane  to remove wrinkles (creates stress points) Cutting corners on seam preparation  (priming and rolling technique matter) These issues will cause failures regardless of membrane thickness. Maintenance Schedule Recommendations Spring inspection (April–May): Check for winter storm damage Remove debris Inspect seams and flashings Confirm drainage is working Autumn inspection (September–October): Remove leaves and organic build-up Inspect perimeter details Ensure outlets are clear for winter rainfall Small repairs done early prevent expensive internal damage later. Repair Methods and Options Minor punctures (under 150mm ) can usually be patched successfully: Clean the area thoroughly Apply primer where required Bond a patch with compatible seam tape/adhesive Extend the patch at least 75mm beyond  the damaged area in all directions Seam failures may require re-taping, liquid repair systems, or section replacement depending on severity. Cost Analysis for Irish Property Owners Costs vary widely depending on roof design, access, and detailing. Typical installed costs in Ireland may include: Material supply (EPDM):  varies by thickness and brand Professional installation:  commonly depends on complexity, access, and edge detailing Ancillaries:  insulation, vapour control, trims, outlets, adhesives Always compare quotes on a like-for-like basis and avoid selecting solely on lowest price, detailing and workmanship quality are often the biggest differentiator in long-term performance. Warranty Considerations EPDM manufacturers commonly offer material warranties in the region of 15–25 years , depending on system and thickness. Contractor workmanship warranties vary (often 5–10 years  from reputable installers). Always check: Coverage conditions (ponding water exclusions can apply) Inspection requirements Approved installation methods Compatibility With Green Roofing and Solar Green Roof Systems EPDM is widely used under green roof build-ups. It resists moisture well and performs reliably when protected with the correct layers above. Solar Panels Solar can work very well with EPDM. Ballasted systems avoid puncturing the membrane. Any penetrations must be carefully detailed and designed properly to avoid long-term risk. FAQs How long does EPDM roofing typically last in Irish weather conditions? EPDM performs well in Ireland and can often last 30–50 years  with proper installation and routine inspection. Drainage design and detail quality have a major impact on real lifespan. Can you walk on an EPDM roof without causing damage? Yes, but with care. Wear soft-soled footwear, avoid dragging equipment, and minimise repeated access in the same areas. For frequent access, install walkway pads or protection . What’s the difference between black and white EPDM for energy efficiency? White EPDM reflects more solar gain and can reduce overheating in summer. Black EPDM absorbs more heat, which may not be a disadvantage in Ireland depending on the building’s use. Insulation levels and overall roof build-up matter more. Is EPDM roofing better than felt for flat roofs? In most cases, yes. EPDM typically lasts longer, requires less maintenance, and offers improved long-term value compared to traditional felt systems. What causes EPDM seams to fail, and how can it be prevented? Most seam issues come from poor preparation, incorrect priming/rolling, damp surfaces, or installation in unsuitable conditions. Good workmanship and following the correct system method prevents most seam-related problems. Choose QBM for Your EPDM Roofing Supply Needs Ready to move forward with EPDM roofing for your project? QBM supplies high-quality EPDM membranes in a range of thicknesses to suit domestic and commercial requirements. Our team can help you select the right membrane specification and advise on quantities and compatible accessories. Contact QBM today to discuss your flat roofing project and get the materials you need for long-lasting waterproofing performance. Related Articles: EPDM Roofing Vs Felt Roofing EPDM Roofing Thickness  Life Expectancy of EPDM  Can You Walk On An EPDM Roof

You’ve decided on EPDM for your flat roof, which is a solid choice. But now comes another decision that perhaps matters more than you’d think: what membrane thickness should you choose? Many people assume thicker is always better, but that’s not necessarily true in every situation. A garden shed doesn’t need the same protection as a commercial building with regular maintenance access. Your budget matters too, because thickness directly affects cost. EPDM membranes are available in several thickness options, each suited to different applications. The right choice depends on how you’ll use the roof, what Irish weather conditions you’re dealing with, and how long you plan to own the property. Some thicknesses offer better value for certain situations, whilst others can be overkill. This guide explains everything you need to know about EPDM roofing thickness. By the end, you’ll know which membrane thickness makes the most sense for your specific project. Understanding EPDM Thickness (in millimetres) In Ireland and across Europe, EPDM membrane thickness is typically specified in millimetres (mm) . Here are the most common options used for flat roofing: Thickness (mm) Common Description Typical Use 1.1mm Standard residential Sheds, garages, simple extensions 1.5mm Heavy-duty residential/light commercial Most houses, longer-term installs 1.9mm Commercial grade Regular access, higher exposure 2.3mm Industrial / high-traffic Heavy use, plant and traffic areas Some manufacturers also offer variations such as 1.2mm , or fleece-backed membranes  around 2.6mm overall thickness  (rubber plus fleece backing). Fleece backing adds cushioning and extra protection, even where the rubber layer itself isn’t much thicker. The Three Main Thickness Categories 1.1mm – Budget-Friendly Standard This is the entry point for EPDM roofing. You’ll find 1.1mm membrane  on many residential extensions, sheds, garages, and small buildings across Ireland. It provides adequate weather protection for roofs with little or no foot traffic . When properly installed, it handles Irish rainfall well and resists UV exposure for 20–30 years . For properties you’re planning to sell in the short term, or for lower-risk structures, 1.1mm can deliver good performance without over-investing. However, puncture resistance is noticeably lower than thicker alternatives. A dropped tool, sharp gravel, or debris from nearby trees can cause damage. If the roof needs regular access, this thickness usually isn’t the best fit . 1.5mm – The Popular Middle Ground Most roofing professionals recommend 1.5mm  as the sweet spot between cost and durability. It’s thick enough to handle occasional foot traffic , offers better impact resistance than 1.1mm, and typically lasts 30–40 years . This thickness works well for: Residential roofs with occasional maintenance access Light commercial applications Roofs in areas with moderate wind exposure Properties where long-term ownership is expected The cost increase over 1.1mm is typically around 30–40% , but you gain significantly better puncture resistance and lifespan. For many Irish property owners, 1.5mm offers the best long-term value . 2.3mm – Maximum Protection For industrial applications, high-traffic roofs, and buildings with heavy plant, 2.3mm membrane  provides excellent resistance to physical damage and can deliver a lifespan of 40+ years  in the right conditions. You’ll pay substantially more, often close to double the cost of 1.1mm material. That investment makes sense where the roof supports HVAC equipment, receives regular maintenance foot traffic, or is exposed to harsh conditions. For typical domestic projects, it’s often more protection than you’ll realistically need . Factors That Determine the Right Thickness How You’ll Use the Roof Roof access matters. A sealed roof on a residential extension that’s rarely walked on can perform perfectly well with 1.1mm . A commercial flat roof requiring regular maintenance access benefits from thicker EPDM that can withstand repeated use. Will you install anything on top of the roof? Solar panels, green roof build-ups, decking, ballast layers, or service walkways all benefit from a thicker base membrane , typically 1.5mm or greater . Your Building Type Different roof types often justify different approaches: Residential extensions and garden rooms  generally suit 1.1mm–1.5mm , depending on access and risk Commercial roofs  commonly start at 1.5mm minimum , due to maintenance requirements and higher consequence of failure Industrial roofs  often specify 1.9mm–2.3mm , sometimes with reinforcement or fleece backing Irish Weather Considerations Ireland’s climate creates specific challenges, but EPDM performs well here overall. Rainfall : All EPDM thicknesses are waterproof, thickness doesn’t change basic waterproofing ability Wind exposure : Coastal locations and exposed sites may favour thicker membranes due to uplift pressures and debris risk Temperature movement : Irish temperature swings are moderate, but thicker membranes tend to resist thermal ageing stress better over decades If your roof is in a coastal area or a very open, exposed location, 1.5mm and above  is typically the safer long-term choice. Budget Reality Check (Ireland) EPDM pricing varies by thickness, roll size, brand, and order quantity, but typical material-only  ranges per square metre in Ireland are: 1.1mm:  €8–12/m² 1.5mm:  €11–16/m² 2.3mm:  €18–25/m² Installation commonly adds around €30–60/m² , depending on the detail level, access, and roof complexity. On a 50m² roof , upgrading from 1.1mm to 1.5mm might only add roughly €150–€200  in material cost. Over a 30+ year lifespan, that’s usually a sensible upgrade. Puncture Resistance Explained Thicker EPDM absorbs impact energy better than thinner membrane. When something hits the roof, wind-blown debris, a dropped tool, or foot traffic, the membrane needs to distribute that force without tearing. 1.1mm  offers limited “give”, especially as it ages 1.5mm  noticeably improves impact absorption and durability 2.3mm  provides the best resistance in high-use environments If your roof is near trees, on an exposed site, or will see any regular access, puncture resistance becomes a primary concern, and thickness genuinely matters. Reinforced vs Non-Reinforced EPDM Most EPDM is non-reinforced (solid rubber). This provides flexibility and makes detailing simpler, but it won’t match the tear resistance of reinforced membrane. Reinforced EPDM  includes a fabric layer within the sheet that dramatically improves tear resistance and puncture performance. In many cases, a reinforced 1.5mm membrane  can outperform a thicker non-reinforced option under impact. The trade-off is higher cost and reduced flexibility around complex detailing. For most Irish domestic roofs, non-reinforced EPDM is perfectly suitable , while commercial roofs may benefit from reinforced options. Fleece-Backed EPDM Options (Approx. 2.6mm Overall) Some manufacturers bond EPDM to a polyester fleece backing, creating a composite sheet typically around 2.6mm overall thickness . Key benefits: Improved puncture resistance (cushioning effect) Better performance over slightly uneven substrates Often quicker, more reliable adhesion during installation Fleece-backed EPDM is particularly strong for green roof applications , where additional protection and stability are valuable. Thickness and Installation Method Compatibility Ballasted Systems Ballasted EPDM uses gravel or paving to hold the membrane down. This can work with most thicknesses, but 1.1mm–1.5mm  is common because the ballast provides physical protection. Be aware: ballast typically adds 50–75kg/m² , and many domestic roofs aren’t designed  to carry that load. Fully Adhered Fully adhered systems bond the membrane to the deck. This provides excellent wind resistance but leaves the rubber exposed to weathering and damage. For fully adhered roofs with any access, 1.5mm is usually the practical minimum . Thinner membrane tends not to hold up as well long-term where it’s the only protection layer. Mechanically Fastened Mechanically fastened systems use plates and fixings at set intervals. Thicker membranes generally cope better with the stress around fasteners. For this method, 1.5mm–2.3mm  is typically more robust than thinner alternatives. Lifespan Analysis (Material-Only) When comparing thickness choices: Thickness (mm) Typical Lifespan 1.1mm 20–25 years 1.5mm 30–40 years 2.3mm 40–50 years *Excludes installation In many cases, 1.5mm works out as the best overall value  due to lifespan vs cost. Special Application Considerations Green Roof Systems If you’re adding a green roof build-up, start with 1.5mm minimum , and consider fleece-backed EPDM  where possible. Continuous moisture, root risk, and heavier build-ups all favour a more robust membrane choice. Solar Panel Installation Solar panels don’t require a special thickness on their own, but installation activity and ongoing access usually push the recommendation to 1.5mm rather than 1.1mm . If you’re planning solar later, choosing a slightly thicker membrane from the beginning helps avoid regrets. Snow and Freeze/Thaw Cycling Ireland doesn’t face extreme snow conditions, but freeze/thaw cycles and occasional ice stress can occur. Thicker membranes (typically 1.5mm+ ) tend to handle long-term movement and thermal cycling more comfortably. When to Consider Upgrading Thickness You may want a thicker membrane than the minimum in these situations: Long-term ownership  (20+ years) Regular access or rooftop equipment Difficult future repair access  (awkward roofs, tight access, tenant disruption) Higher replacement costs  (complex details, high-risk buildings) Peace of mind  if the price difference is manageable Common Thickness Selection Mistakes Going Too Thin for the Application The most common mistake is choosing the thinnest option on a roof that will see access. Savings disappear quickly when punctures and repairs become a recurring issue. If there’s any chance of foot traffic, 1.5mm is usually the smarter option . Over-Specifying for a Simple Roof At the other end, specifying 2.3mm for a small extension roof with no access often wastes money. Be honest about use patterns, don’t pay for industrial-level protection where it won’t deliver meaningful benefit. Ignoring Installation Quality Even the thickest membrane will fail if installed poorly. Conversely, correctly installed 1.1mm EPDM with good detailing can exceed expectations. Thickness helps, but installation quality matters more . Thickness Recommendations by Building Type Residential Extensions Most residential extensions suit 1.1mm–1.5mm . Choose 1.1mm  where budgets are tight and access is extremely unlikely. Choose 1.5mm  for better long-term value and occasional access capability. Garages and Workshops These roofs may see occasional traffic for maintenance or storage access. 1.5mm  is usually the best balance. If the roof will be walked on regularly, consider protective walkway pads or stepping zones. Commercial Flat Roofs Commercial projects should generally start at 1.5mm minimum , with many specs moving to 1.9mm  depending on access, foot traffic, and exposure. Industrial Buildings Industrial roofs often justify 1.9mm–2.3mm , potentially reinforced or fleece-backed depending on use, equipment load, and maintenance frequency. Making Your Final Decision Selecting EPDM thickness comes down to balancing real-world use, risk, and cost. There’s rarely one single “correct” option, there’s a range of suitable choices depending on your priorities. As a general guide: No access / low risk:  1.1mm can work well Any access / typical domestic value choice:  1.5mm is the safest all-rounder High traffic / equipment-heavy roofs:  1.9mm–2.3mm makes sense For most residential flat roofs in Ireland, 1.5mm EPDM (non-reinforced)  is the most sensible choice for durability, lifespan, and long-term performance. FAQs Does a thicker EPDM membrane provide better insulation value? Membrane thickness has minimal impact on insulation performance. The difference between 1.1mm and 2.3mm is only around 1.2mm of rubber, which offers negligible insulation value. Roof insulation performance depends on the insulation layer beneath the waterproofing. If energy efficiency matters, focus on a correctly specified insulation build-up rather than membrane thickness. Can I install a thicker EPDM membrane over an existing roof? Installing EPDM over an existing roof is possible, but only if the roof is structurally sound, dry, and properly prepared. Thickness doesn’t add much weight, but the overall build-up (including insulation and overlays) must remain within structural limits. Fully adhered systems in particular require a clean, stable substrate. A professional assessment is strongly recommended before over-roofing. How much does EPDM thickness affect warranty coverage? Warranty terms vary by manufacturer. Some specify minimum thickness for eligibility (often starting at 1.5mm), and longer warranties may only be available at higher thicknesses or with approved contractors. Thickness can influence warranty options, but installation method and workmanship are usually just as important. Always check the specific warranty wording before deciding. Will 1.1mm EPDM survive Irish weather conditions long-term? Yes, when properly installed on roofs with minimal access, 1.1mm EPDM can perform well in Ireland for 20–25 years. Irish conditions are generally suitable for EPDM. The biggest concern at lower thickness is not weather, but punctures from debris, tools, or foot traffic. If your roof is exposed to those risks, upgrading to 1.5mm is typically worth it. Does membrane thickness affect how EPDM handles ponding water? Thickness doesn’t significantly change EPDM’s resistance to ponding water, EPDM is waterproof at any standard thickness. However, prolonged standing water accelerates ageing over time. Good drainage design matters far more than membrane thickness. If ponding occurs regularly, improve drainage rather than relying on a thicker membrane as a workaround. Get the Right EPDM Thickness from QBM Choosing the correct membrane thickness is crucial for long-term roofing performance. QBM supplies EPDM membranes in all standard thicknesses to suit your project requirements. Our team can help you choose the right specification based on your building type, use patterns, and budget. Contact QBM today  to discuss your flat roofing project and source the EPDM thickness that fits your needs. Related Articles: Pros & Cons Of EPDM Roofing EPDM Roofing Vs Felt Roofing What Is EPDM Roofing Life Expectancy of EPDM  Can You Walk On An EPDM Roof

You've got an EPDM rubber roof and need to access it for maintenance, gutter cleaning, or window washing. Perhaps you're even thinking about converting that flat roof into a usable balcony space. But can you actually walk on EPDM without causing damage? The straightforward answer: yes, you can walk on EPDM roofs, but there are important caveats. Light foot traffic for installation, maintenance, and occasional access is fine. Regular or heavy use requires protective modifications. Understanding these distinctions helps you avoid damaging your roof whilst still accessing it when needed. This guide explains when walking on EPDM is safe, which precautions protect your membrane, and what solutions exist if you need regular access or want to convert your roof into usable space. Understanding EPDM's Foot Traffic Tolerance Light Foot Traffic Is Generally Safe EPDM rubber roofing handles light foot traffic reasonably well. During installation, workers walk across the membrane, positioning it and working out wrinkles. For ongoing maintenance, annual inspections, gutter clearing, or window access, occasional walking causes no problems if done carefully. The rubber membrane is flexible and somewhat forgiving. It won't tear or puncture from normal footsteps the way you might worry. However, "light foot traffic" has a specific meaning here: occasional access by one or two people at a time, walking carefully, for specific tasks. Think of it like walking across someone's garden. A few trips to tend plants cause no harm. Daily marching back and forth creates worn paths. EPDM responds similarly; occasional access is fine, whilst regular walking accelerates wear. Heavy Or Regular Use Requires Protection Standard EPDM isn't designed for daily use without modifications. If you're planning to use your flat roof as a balcony, entertaining space, or regular access route, the membrane needs protection. Without it, you'll see premature wear, potential damage, and shortened lifespan. The issue isn't immediate failure; EPDM won't tear from a few dozen walks across it. The problem is cumulative wear. Over months and years, regular foot traffic breaks down the membrane surface. It becomes more vulnerable to punctures, develops weak spots, and may fail before reaching its expected 30-50 year lifespan. Usage Type EPDM Suitability Protection Required Frequency Guideline Installation access Standard EPDM fine None needed One-time event Annual maintenance Standard EPDM fine Soft-soled shoes Once or twice yearly Window cleaning Standard EPDM fine Careful access Monthly maximum Balcony/entertainment Requires protection Walkway pads, tiles, or decking Daily acceptable with protection Commercial terrace Requires protection Full deck/paving system Continuous use is acceptable with protection Membrane Thickness Affects Durability EPDM comes in various thicknesses, typically 45 mil (1.14mm), 60 mil (1.52mm), or 90 mil (2.29mm). Thicker membranes naturally resist foot traffic damage better than thinner versions. A 45 mil membrane on a garden shed that nobody walks on works perfectly. That same thickness on a commercial roof requiring monthly maintenance access might show premature wear. For roofs you know will see regular access, even just maintenance, 60 mil or thicker makes sense. Fleece-backed EPDM options offer additional protection. The fleece layer provides cushioning that helps resist punctures and distributes weight more evenly across the membrane. Essential Precautions For Safe Access Footwear Matters Considerably What you wear on your feet directly impacts whether you damage the membrane. Soft-soled shoes or trainers work well; they distribute weight and won't puncture the rubber. Hard boots, especially those with aggressive tread or metal studs, can cause problems. Sharp objects embedded in boot soles, stones, glass fragments, and metal shavings pose the biggest risk. Even soft-soled shoes carry danger if contaminated. Before stepping onto your EPDM roof, check your footwear thoroughly. Brush off any debris from the soles. Steel-toed work boots and hiking boots with aggressive lugs aren't suitable for EPDM access. Neither are high heels, which concentrate force on tiny points. Basically, if you wouldn't wear them on a nice hardwood floor indoors, don't wear them on your EPDM roof. Weather Conditions Create Risks Temperature extremes affect EPDM's properties temporarily. In very hot weather, rare in Ireland but possible on sunny summer days, the membrane becomes softer. Walking on it can leave impressions or cause more damage than usual. During cold weather, rubber becomes slightly more brittle. Whilst EPDM handles Irish winters fine when left alone, heavy foot traffic in freezing conditions increases puncture risk. Wet conditions present the biggest safety hazard:  EPDM becomes extremely slippery when wet. Walking on a wet rubber roof is genuinely dangerous; you can easily slip and fall. This isn't about protecting the membrane; it's about protecting yourself. If the roof is wet from rain or morning dew, wait until it dries before accessing it. Wind poses safety risks, too. Ireland's weather can be unpredictable, and strong gusts on an open flat roof create real hazards. Never access your roof in high winds, regardless of membrane concerns. Proper Equipment Handling If you're carrying tools or equipment onto your EPDM roof, distribute weight carefully. Ladders placed directly on the membrane can damage it; lay down protective boards, towels, or carpet scraps under the ladder feet. Avoid dragging anything across the surface. Sharp edges on metal toolboxes, equipment corners, or building materials can tear the membrane easily. Carry items rather than sliding them, or use protective sheeting underneath if you must move heavy objects. If you're accessing the roof to work on HVAC equipment, satellite dishes, or solar panels, establish designated walkways. This concentrates wear in specific areas rather than randomly across the entire roof. Irish Weather Considerations Ireland's climate creates specific challenges for roof access. Our frequent rainfall means roofs are wet more often than not. Morning dew is common even on dry days. Factor this into planning any roof access; afternoons following sunny mornings offer the best conditions. Coastal properties face additional challenges from salt air, making surfaces more slippery. After coastal storms, wash the roof with fresh water before walking on it if possible. Solutions For Regular Foot Traffic Walkway Pad Systems Walkway pads are probably the simplest solution for protecting EPDM when you need regular access. These pre-formed pads install directly onto the membrane using tape or adhesive. They're designed specifically to protect rubber roofing from foot traffic. The pads distribute weight across a larger area than footsteps alone, reducing stress on the membrane. They also provide better traction than bare EPDM, making them safer to walk on. Most are slightly textured to prevent slipping even in wet conditions. Installation is straightforward: Clean the membrane surface, apply appropriate adhesive or tape, and position the pads where access is needed. You can create pathways from roof access points to equipment, gutters, or windows. Walkway pads work well for: Access routes to HVAC equipment Paths to the roof edges for gutter maintenance Routes to satellite dishes or antennas Fire escape routes that cross flat roofs They're a cost-effective solution that doesn't require structural modifications or planning permission. Paving Support Systems For more substantial protection or aesthetic appeal, paving support systems let you install slabs or tiles over an EPDM membrane. These modular support pedestals sit directly on the rubber without adhesives or penetrations. The supports create an air gap between the membrane and the paving, which actually benefits the roof. Air circulation underneath helps the EPDM last longer. The paving protects against UV exposure, physical damage, and foot traffic. This approach suits balcony conversions, roof terraces, or commercial outdoor spaces. The paving provides a finished surface that looks intentional rather than utilitarian. It's also easier to maintain than walkway pads; sweep or wash the paving as you would any outdoor surface. Support heights are adjustable, letting you create level surfaces on slightly sloped roofs or accommodate drainage requirements. The system remains accessible; you can lift individual slabs to inspect the membrane underneath without removing everything. Decking And Promenade Tiles Decking installed over EPDM creates a usable outdoor space whilst protecting the membrane. Timber, composite, or PVC decking all work; the key is supporting the decking properly without penetrating the waterproofing layer. Support battens distribute weight and keep the decking off the membrane surface. This allows drainage and protects the rubber from constant contact. Some decking systems are specifically designed for flat roof installation over EPDM. Promenade tiles offer similar benefits with less installation complexity. These interlocking tiles sit directly on the membrane, creating a finished surface quickly. They're particularly popular for balcony conversions in residential properties. Both approaches let you use your flat roof as a genuine outdoor living space. The EPDM underneath continues protecting your building whilst the surface layer handles foot traffic, furniture, planters, and regular use. Balcony Conversion With Screed For permanent balcony conversion, concrete screed over EPDM creates the most robust solution. A separation layer goes down first, typically a geotextile fabric, then 50mm of concrete screed, followed by tiles or paving. This approach requires a structural assessment first. Your building must support the additional weight of screed and paving. Many residential extensions aren't designed for this load, so professional evaluation is essential. The separation layer is critical; it protects the EPDM from screed and allows slight movement without damage. Without it, the screed bonds to rubber and causes problems later. Once complete, you have a proper floor that handles any level of foot traffic, furniture, planters, and regular use. It's the most expensive option, but it creates a genuinely usable outdoor space that adds property value. FAQs What type of shoes should I wear when walking on an EPDM roof? Wear soft-soled shoes with clean treads when accessing EPDM roofs. Trainers or soft work shoes distribute weight well and won't puncture the membrane. Avoid boots with hard soles, metal studs, or aggressive treads that concentrate pressure. Before stepping onto the roof, inspect your shoe soles for embedded stones, glass, or debris that could damage the rubber. Remove any sharp objects you find. High heels are unsuitable as they concentrate your weight on tiny points. Think of protecting the membrane like protecting a nice hardwood floor; appropriate footwear matters considerably for preventing damage during access. Can EPDM roofs become slippery and dangerous to walk on? Yes, EPDM becomes extremely slippery when wet, creating serious safety hazards. The smooth rubber surface offers minimal traction once rain, dew, or moisture is present. Never attempt to walk on wet EPDM; wait for it to dry completely first. Even experienced roofers exercise extreme caution on wet membranes. Dry EPDM provides reasonable traction for careful movement, but wet conditions transform it into a dangerous surface where falls become likely. This safety concern applies to all EPDM roofs regardless of thickness or age. If you need regular roof access in Ireland's damp climate, consider installing textured walkway pads that provide better traction in various weather conditions. Do thicker EPDM membranes handle foot traffic better than thinner ones? Yes, thicker EPDM membranes resist foot traffic damage significantly better than thinner alternatives. A 60 mil or 90 mil membrane absorbs impacts and distributes weight more effectively than 45 mil versions. However, even thick EPDM isn't designed for regular unprotected foot traffic; it just tolerates occasional access better. If your roof requires monthly maintenance access, investing in a 60 mil membrane makes sense. For roofs needing daily use, even 90 mil EPDM requires protective walkway pads, decking, or paving regardless of thickness. Fleece-backed EPDM options provide additional protection through cushioning underneath the rubber layer, further improving puncture resistance for roofs seeing regular access. Can I convert my EPDM flat roof into a balcony for regular use? Yes, EPDM roofs can be converted into usable balconies with appropriate protection systems. The membrane serves as waterproofing whilst surface layers handle foot traffic. Options include paving support systems with slabs, decking over support battens, or concrete screed with tiling. However, structural assessment is essential first; your building must support additional weight from paving, screed, and occupants. Many residential extensions lack adequate structural capacity for balcony conversion. If suitable, install separation layers between EPDM and surface materials to protect the membrane. Professional installation ensures proper waterproofing remains intact whilst creating a genuinely usable outdoor space that adds property value. How often can I safely access my EPDM roof for maintenance? EPDM roofs tolerate occasional maintenance access without problems; typically, yearly inspections, quarterly gutter cleaning, or monthly window washing cause no issues when done carefully. The key is following the precautions: soft-soled shoes, dry weather conditions, careful movement, and avoiding equipment dragging. If you need more frequent access, weekly HVAC maintenance, or daily use, install protective walkway pads along regular routes. These concentrate wear in specific areas whilst protecting the membrane. Without protection, weekly access gradually damages standard EPDM and shortens its expected lifespan. For roofs requiring constant access, invest in proper protection systems from the start rather than addressing damage later. Source Quality EPDM And Roof Protection Products From QBM Planning to install EPDM or need protection systems for regular roof access? QBM supplies premium EPDM rubber membranes in various thicknesses along with walkway pads and protection solutions. Our team can help you select appropriate materials, whether you need standard membrane for low-traffic applications or thicker options for roofs requiring regular access. Contact QBM today to discuss your flat roofing project and source quality products for long-lasting, accessible roofing solutions. Related Articles: Pros & Cons Of EPDM Roofing EPDM Roofing Vs Felt Roofing What Is EPDM Roofing EPDM Roofing Thickness  Life Expectancy of EPDM

For more than 35 years, the name Zambelli has stood for high-quality roof drainage made in Germany. Zambelli began with the production of drainage elbows; they have evolved into a specialist manufacturer for roof drainage, using all types of high quality building metals. They are the largest roof drainage manufacturer in Europe with 18,000 square metres of production and storage facilities at six different locations. Zambelli Rainwater Systems For more than 35 years, the name Zambelli has stood for high-quality roof drainage made in Germany. Zambelli began with the production of drainage elbows; they have evolved into a specialist manufacturer for roof drainage, using all types of high quality building metals. They are the largest roof drainage manufacturer in Europe with 18,000 square metres of production and storage facilities at six different locations. < Back Next > For more than 35 years, the name Zambelli has stood for high-quality roof drainage made in Germany. Zambelli began with the production of drainage elbows; they have evolved into a specialist manufacturer for roof drainage, using all types of high quality building metals. They are the largest roof drainage manufacturer in Europe with 18,000 square metres of production and storage facilities at six different locations. Our Robust steel systems are the most affordable and cost effective of the metal rainwater ranges on the market. They are smart, stylish and contemporary. With a manufacturer’s guarantee of 15 years, the life expectancy of steel guttering, with sensible maintenance, should be in excess of 25+ years. System Benefits The Robust Range for Professionals All components have a zinc-magnesium finish for persistent protection against corrosion Supremely resistant to scratches or colour changes/fading Higher Rainwater flow capacity Zinc and Copper available on request 15 year product warranty Life span in excess of 25 years Made in Germany Zambelli Rainwater System Brochure Download

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 ROCKWOOL Limited Vestis © Mazzonetto Spa bst GmbH PF Freund & Cie. GmbH Zambelli Axter Ltd 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 Axter Waterproofing Systems 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 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.

Discover leading roofing systems and materials, selected for durability and quality. Trusted by professionals across Ireland. Enquire today. Visit our trade counter for all your flat roofing products and expert advice. Our team is ready to assist you with your project. Roofing Supplies & Materials In Ireland Supplying industry leading Roofing & Facade materials to award winning projects across Ireland since 2012. Product Range Contractor Solutions Discover our range of systems and products complete with accessories and support materials to help you choose the perfect system for your projects. Architects & Engineers Discover our range of award-winning projects, certified products, and our CPD course which can be delivered in house or at our own premises. Residential Solutions Navigate roofing repairs with our problem-solution guides, data sheets and brochures. Find approved installers and delve into our knowledge base to ensure your project's success. At QBM we specialise in supplying a market leading range of roofing systems, materials, and accessories designed to meet the specific requirements of roofing contractors, architects, engineers, builders and the DIY market across Ireland. From our cutting-edge modular roofing systems to our innovative profiling service, our technical expertise, products, materials and accessories will ensure your projects utilise industry leading materials backed by comprehensive warranties. Our technical design team can support you from initial design concepts, specification, onsite installation and ongoing technical support as your project progresses. With a state-of-the-art training facility on site, our team offers training for your team to ensure expert installation of our products. QBM offers end to end solutions to meet your roofing requirements. Learn More Why Choose QBM? Tailored Solutions: Whether you're tackling a new build or a restoration, our extensive roofing product range offers solutions for every challenge. Local Expertise: Our team understands the unique Irish climate and architectural styles, offering advice and products that are perfectly suited. Comprehensive Support: From hands-on training days, onsite inspection/assistance, telephone support and tech data sheets, we provide the resources you need to succeed. Profiling Service: We offer an in-house profiling service for hard metal standing seam systems and metal pressing service for your flashings and cappings. Over 300 flat roofing products: Supplying only best in class brands. Nationwide next day delivery: Orders placed before noon are delivered the next day. FREE estimating service. Sample and matching service. Technical Training : Elevate EPDM, FDT PVC and Kalzip/Vestis metal standing seam. Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key. Ready to start your roofing project with confidence? Explore our solutions or get in touch for personalised advice today. Call us on 01 839 11 70 or email info@qbm.ie . Frequently Asked Questions Do you deliver nationwide, and how quickly? Yes, we provide nationwide delivery across all of Ireland to ensure contractors, builders, and homeowners can access quality materials wherever their project is located. Orders placed before noon are dispatched the same day for next working day delivery. This reliable service helps keep your projects on schedule and minimises downtime, whether you're working on commercial developments or residential properties. How do I calculate how much material I need for my roof? We offer a complimentary estimating service to eliminate guesswork and prevent costly material shortages or excess waste. Simply provide our technical team with your roof dimensions, project specifications, and any relevant site photos or drawings. We'll calculate precise quantities for membranes, insulation, adhesives, trims, fixings, and all necessary accessories, ensuring you have everything required for successful completion without multiple trips or delays. Can I collect materials from your trade counter? Absolutely. Our trade counter is fully stocked and open during business hours for convenient collection. When you visit, our knowledgeable team is on hand to provide expert product advice, answer technical questions, and ensure you have all the correct materials and accessories before leaving. This personal service helps you avoid common installation issues and ensures you're fully prepared to complete your project efficiently and to professional standards. What if I'm unsure which products are compatible? Our experienced technical team is here to guide you through product compatibility and complete system requirements for your specific application. We understand that using incompatible materials can void warranties and cause premature failure. We'll recommend only products designed to work together seamlessly, ensuring proper adhesion, weatherproofing, and long-term performance. This expert guidance protects your investment and gives you confidence that your roof will perform reliably for years. Can you provide technical data sheets and certification? Yes, comprehensive technical documentation is available for all our products, including detailed data sheets, installation guides, certificates of conformity, fire ratings, and performance certifications. This documentation is essential for building control submissions, warranty validation, and compliance with Irish building regulations. Our team can provide specific technical literature relevant to your project requirements, ensuring you have all the necessary paperwork for inspections, sign-off, and maintaining valid product warranties throughout their lifespan. Do you stock materials suitable for the Irish climate? All our roofing systems are specifically selected for Ireland's unique weather conditions, including high rainfall, strong winds, temperature fluctuations, and coastal exposure. Our team has extensive knowledge of local climate challenges and only stocks products with proven long-term performance in Irish conditions. We can recommend appropriate systems based on your location, building type, and exposure levels, ensuring your roof delivers reliable waterproofing and durability regardless of what the Irish weather brings. What types of flat roofing systems do you stock? We supply a range of flat roofing systems to suit every application and budget, including EPDM rubber membranes, TPO, PVC single-ply systems, GRP fibreglass, torch-on felt, and liquid waterproofing systems. Our team can help you choose the best system for your specific project requirements.