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David Fitzpatrick is a director and founder of QBM with over 15 years’ experience in the construction industry. His drive for sourcing the highest quality roofing and façade products from around Europe and beyond has cemented QBM as one of Ireland’s leading suppliers in the industry. < Back David Fitzpatrick Director QBM David Fitzpatrick’s road to founding Quality Building Materials (QBM) is rooted in a deep-seated passion for the construction industry. With over fifteen years experience and expertise, it’s his hands-on approach and an understanding of the Irish construction and roofing sector needs, and what truly works in this unique climate and weather, that led him to set up QBM. He saw a need for new and better roofing and façade solutions and technologies in Ireland and set up QBM to provide that solution. His personal commitment to quality and innovation has made QBM a trusted partner for contractors and architects across the country. David has always been about more than just supplying materials. For him, it's about providing solutions and products that the Irish building industry can rely on and service they can trust. This approach has not only helped QBM grow to be Ireland's most trusted provider but has also cemented David’s reputation as someone who genuinely understands the needs of the roofing construction sector. From the beginning, David's aim was clear: to bring the best and latest in construction roofing technology and solutions to Ireland. His efforts to stay ahead of industry trends have ensured that QBM remains at the cutting edge, offering products and services that meet the highest standards. Under David’s leadership, QBM has grown significantly, powered by his vision to combine the best products with unmatched support from a skilled and well-established expert team. His forward-thinking approach has guided QBM through 15 years of successful projects, affirming industry confidence in the company’s ability to support any construction roofing requirements. From tendering, consulting, materials and requirements support to completion. But David's story isn’t just about professional achievements; it’s about a genuine desire to improve the industry he loves. Leading QBM, he continues to share his expertise generously, helping projects succeed and contributing to raising the bar in construction practices. It's this blend of personal dedication and professional excellence that makes David not just a founder but a cornerstone of the roofing construction supply community in Ireland.

General Membrane, based in Italy, specializes in advanced waterproofing and insulation solutions for the construction industry. Their product range includes: Bituminous Membranes: These are high-performance waterproofing membranes made with APAO, APP, and SBS compounds, offering excellent durability, flexibility, and resistance to weathering. These products are manufactured in Ceggia, near Venice, in state-of-the-art facilities with a strong emphasis on quality control and production flexibility General Membrane General Membrane, based in Italy, specializes in advanced waterproofing and insulation solutions for the construction industry. Their product range includes: Bituminous Membranes: These are high-performance waterproofing membranes made with APAO, APP, and SBS compounds, offering excellent durability, flexibility, and resistance to weathering. These products are manufactured in Ceggia, near Venice, in state-of-the-art facilities with a strong emphasis on quality control and production flexibility < Back Next > Waterproofing materials by General Membrane were born to resist to one of the biggest strengths known by man: Time. They are manufactured thanks to investments in Technology, Research, Development and Quality, which make them excellent for duration and performance. QBM Green & Blue Roof Systems Download Gemini garden P4mm_DOP Download Phoenix Star - BBA Download GM Installation Manual Download

Harmer Detail Roof Outlets are designed to cover all the awkward detailing situations that occur in building design and refurbishment. The range includes balcony, gulley and car park outlets and two way outlets for use where the roof surface abuts a wall or parapet. Harmer Rainwater Outlets Harmer Detail Roof Outlets are designed to cover all the awkward detailing situations that occur in building design and refurbishment. The range includes balcony, gulley and car park outlets and two way outlets for use where the roof surface abuts a wall or parapet. < Back Next > Harmer Roof AV Vertical rainwater outlets are designed for use with flat roof structures using either insitu cast concrete, timber or lightweight metal deck construction. Harmer Roof outlets are ideal for connection to continuous waterproofing systems using single ply membranes, mastic asphalt, high performance built-up felt, hot melt systems and wet-applied systems. Harmer Aluminium Roof Outlets Download

Trusted single ply roofing materials for commercial and domestic projects. Weather-resistant, reliable, and easy to install. Speak with our team today. Single Ply Roofing Systems Embrace the versatility and efficiency of Single Ply Roofing Systems. Known for their ease of installation and maintenance, these systems are a favourite in the commercial roofing market. PVC, TPO, and EPDMsystems offer unique advantages, including durability, energy efficiency, and resistance to environmental conditions. Whether you're working on large commercial projects or smaller, specialised builds, these systems provide the flexibility and performance you need. < Back Next > Rhenofol CV Membrane Rhenofol CG Membrane Rhepanol HFK (PIB) Flatroof Membrane Elevate RubberGard EPDM - EPDM SA Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key. Single Ply Roofing Systems for Commercial & Residential Projects Single-ply roofing systems are one of the most widely used flat roofing solutions in Ireland due to their reliability, speed of installation, and long-term performance. These systems use a single waterproof membrane to protect buildings from water ingress, wind, and weather exposure. QBM supplies a full range of single-ply roofing systems across Ireland, including EPDM, TPO, and PVC membranes. Each option offers different performance benefits, making them suitable for commercial, industrial, and residential flat roofing applications. Choosing the right system depends on the building type, budget, and exposure conditions. EPDM membranes are known for their durability and cost-effectiveness, making them a popular choice for residential and light commercial projects. TPO membranes offer reflective properties that help improve energy efficiency, particularly on larger commercial roofs. PVC membranes provide excellent chemical and fire resistance, making them ideal for industrial buildings and environments with higher performance demands. Single-ply systems can be installed using fully adhered, mechanically fastened, or ballasted methods. This flexibility allows the system to be tailored to wind exposure, roof design, and structural requirements. When correctly specified and installed, single ply roofing delivers predictable performance backed by manufacturer warranties. At QBM, our role is to support our local contractors, architects, and specifiers with technical guidance, product selection, and training to ensure each system performs as intended in Irish conditions. Get in touch with us today. Got a Question? Find the Answer Here How long does it take to install single-ply roofing on a typical commercial building? Installation duration for single-ply roofing systems varies based on roof size, complexity, weather conditions, and the chosen attachment method. A standard 1,000 square metre commercial roof typically requires 3-7 working days for experienced crews, including substrate preparation, insulation installation, and membrane application. Fully adhered systems generally take longer than mechanically fastened methods. Complex geometries with multiple penetrations, parapets, and transitions extend timelines. Weather significantly affects scheduling, wind and rain halt installation, particularly for mechanically fastened applications. Project planning should include buffer time for weather delays. Can single-ply membranes be installed over existing roofing? Yes, single-ply membranes can be installed over existing roofing systems in many situations, subject to structural capacity verification and substrate condition assessment. This overlay approach avoids tear-off costs and waste disposal whilst potentially improving insulation values. However, wet or deteriorated existing roofing must be removed to prevent trapped moisture issues. Building regulations may restrict the number of roof layers permitted. Engineers should verify that additional weight from new materials, insulation, and attachment systems stays within structural design limits. Our technical team assesses existing conditions and recommends appropriate approaches. What warranty coverage comes with single-ply roofing systems? Single-ply roofing warranties vary by manufacturer, system type, and installation quality, typically ranging from 10 to 30 years, depending on the specification and contractor certification status. Material warranties cover manufacturing defects, whilst system warranties may include installation workmanship when installed by approved contractors. Warranty terms specify maintenance requirements, inspection schedules, and exclusions that could void coverage. Extended warranties often require specific attachment methods, insulation types, and accessory products from approved manufacturers. QBM provides comprehensive warranty documentation and helps contractors understand certification requirements to maximise coverage options. Looking for Your Ideal Roofing Product? Get in Touch with Us Today. Get in Touch

Ultraflex is a high-performance liquid waterproofing system supplied by Independent waterproofing suppliers, Quality Building Materials. Ultraflex can be used on new and existing roofs, walkways, balconies and gutters straight out of the can with a solvent resistant roller all year around. Ultraflex Liquid Membrane Ultraflex is a high-performance liquid waterproofing system supplied by Independent waterproofing suppliers, Quality Building Materials. Ultraflex can be used on new and existing roofs, walkways, balconies and gutters straight out of the can with a solvent resistant roller all year around. < Back Next > Ultraflex is a high-performance liquid waterproofing system supplied by Independent waterproofing suppliers, Quality Building Materials. Ultraflex can be used on new and existing roofs, walkways, balconies and gutters straight out of the can with a solvent resistant roller all year around. Fully trafficable once cured, Ultraflex has excellent adhesion to different substrates including plywood, bitumen, asphalt, metals, brick, concrete and wood. The product is also fully BBA certified in excess of 25 years and holds NHBC and Green roof approval. Ultraflex Liquid Membrane ETA Download Ultraflex Liquid Membrane Data Sheet Download

With over 25 years of specialised experience in the flat roofing sector, Brian Flynn is the Technical Manager at QBM. Having worked with industry leaders, he possesses an unparalleled understanding of the Irish roofing industry. Brian is passionate about elevating professional standards and is dedicated to inspiring a new generation of experts in the field. < Back Brian Flynn Technical Manager As Technical Manager at QBM, Brian Flynn brings over two and a half decades of dedicated experience and deep-seated knowledge to the Irish flat roofing industry. His distinguished career is highlighted by collaborations with some of the sector's most respected companies, which has equipped him with a comprehensive and nuanced understanding of the market. Considered one of the most experienced professionals in his field, Brian is driven by a clear mission: to elevate the standards and reputation of the roofing industry across Ireland. He is a passionate advocate for the trade, committed to fostering a new generation of skilled professionals by showcasing the rewarding opportunities a career in roofing can offer. In every project, Brian's commitment is to infuse his work with unmatched expertise and enthusiasm, ensuring that quality and professionalism remain the cornerstones of the QBM standard. He actively seeks to connect with peers and partners to collectively build a more respected and admired roofing industry for the future.

RAINSCREEN DUO SLAB is a dual-density insulation specifically developed for use within ventilated cladding systems, as well as sealed systems such as curtain walling. Once installed, the robust outer surface of the slabs, in combination with a factory- applied water repelling agent, acts to resist rain ingress during construction. ROCKWOOL RAINSCREEN DUO SLAB RAINSCREEN DUO SLAB is a dual-density insulation specifically developed for use within ventilated cladding systems, as well as sealed systems such as curtain walling. Once installed, the robust outer surface of the slabs, in combination with a factory- applied water repelling agent, acts to resist rain ingress during construction. < Back Next > RAINSCREEN DUO SLAB® Effective non-combustible thermal and acoustic insulation for ventilated façades RAINSCREEN DUO SLAB is a dual-density insulation specifically developed for use within ventilated cladding systems, as well as sealed systems such as curtain walling. Once installed, the robust outer surface of the slabs, in combination with a factory- applied water repelling agent, acts to resist rain ingress during construction. RAINSCREEN DUO SLAB is a dual- density insulation, meaning that the outer layer of each slab is manufactured to a higher density than the remainder of the product. This results in a robust outer surface designed to withstand the rigours imposed on site, and a resilient inner face designed to accommodate any irregularities in the substrate. A water-repelling agent is added to the product during manufacture, which in combination with a robust outer surface and random fibre orientation, prevents water transmission through the insulation layer. As such the slab is well-designed for use in conditions of severe climatic exposure. The product can be easily fitted around brackets and other awkward details, and when tightly butt jointed the fibres of adjacent slabs will knit together to provide a continuous thermal performance – eliminating heat losses that could otherwise be caused by gaps and joints. Its unique dual-density construction also means that RAINSCREEN DUO SLAB requires fewer fixings, making it a cost- effective solution that is quick to install. Applications RAINSCREEN DUO SLAB is designed for use within ventilated cladding systems, as well as sealed systems such as curtain walling. Rockwool - Rainscreen Duo Slab Brochure Download

Looking For Metal Roof And Facade Materials? QBM Stocks Cladding Systems, Roofing Panels And Accessories In Zinc, Copper, And Aluminium For Irish Projects Metal Roof and Facades: Cladding, Panels & Roofing Products for Irish Projects Our commitment to the environment is reflected in the ISO14001 certified Environmental Management System implemented at all our TPO and EPDM manufacturing plants. Firestone is committed to a programme of environmental responsibility throughout its business activities from the manufacturing plants which operate to ISO14001 certified environmental management systems, to the products both in application and throughout the service life. < Back Next > Rockpanel Vestis Aluminium Kalzip® FC Facade System Kalzip Foldable Aluminium Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key. Premium Metal Roofing Systems for Lasting Performance Metal dominates commercial and industrial construction for good reasons: it's lightweight relative to its strength, quick to install, and lasts decades with minimal maintenance. For façades, metal offers design possibilities that other materials can't match, from clean lines and bold colours to textures ranging from smooth to deeply profiled. Sustainability adds another advantage, as most metal roofing and cladding products contain recycled content and are fully recyclable at the end of life, making them increasingly valuable for projects pursuing BREEAM credits or meeting client sustainability requirements. Standing seam metal roofing remains popular for both aesthetic and practical reasons. The raised seams create a distinctive linear appearance whilst hiding fixings from view and protecting them from weather exposure. With no penetrations through the sheet surface, there are fewer potential leak points over the roof's lifespan. We supply standing seam systems in various metals and finishes, including zinc (which weathers to a soft grey patina), copper (developing its characteristic green verdigris), and aluminium (offering the lightest weight and widest colour range). Galvanised steel roofing provides a more cost-effective option where budget is the priority, though installation requires specialist experience. Trapezoidal sheets and other profiled cladding systems handle the bulk of industrial and agricultural roofing work in Ireland. They're cost-effective, quick to fit, and available in a wide range of colours and coatings. Profile depths vary depending on span requirements and aesthetic preferences, with deeper profiles spanning more distance between supports and shallower profiles suiting applications where a flatter appearance is desired. We stock sheets in standard lengths and can arrange cut-to-length orders for projects where precision matters or waste reduction is a concern. Where thermal performance is critical, insulated panel systems combine the weather envelope and insulation in a single product. The foam or mineral wool core sits between two metal skins, creating a wall system or roof assembly that goes up quickly and performs well thermally. Got a Question? Find the Answer Here How long does metal roofing last? Metal roofing typically lasts 40-60 years with minimal maintenance, significantly longer than many alternative roofing materials. Zinc and copper systems can last even longer, often exceeding 70 years. The actual lifespan depends on the metal type, coating quality, installation standards, and environmental conditions. Coastal locations require more careful material selection to avoid premature corrosion. What's the difference between standing seam and trapezoidal profile roofing? Standing seam systems feature concealed fixings and raised vertical seams, offering superior weather protection and a distinctive architectural appearance. Trapezoidal profiles use exposed fixings and are more cost-effective, making them ideal for industrial and agricultural buildings where budget is the primary concern. Standing seam requires specialist installation, whilst profile sheets are quicker to fit. Is metal roofing suitable for Irish weather conditions? Yes, metal roofing performs exceptionally well in Irish conditions. It handles high rainfall, strong winds, and coastal environments effectively when properly specified. Aluminium and zinc are particularly resistant to corrosion in Ireland's damp climate. Proper installation with adequate drainage and ventilation ensures long-term performance regardless of weather exposure. Can metal roofing be installed on existing structures? Metal roofing can often be installed over existing roofs, depending on the structure's load-bearing capacity and condition. Over-roofing reduces waste and installation time, though structural assessment is essential first. For refurbishment projects, we can advise on whether the existing structure can support the new metal system or if strip-off is necessary. What maintenance does metal roofing require? Metal roofing requires minimal maintenance compared to other roofing types. Annual inspections to check fixings, flashings, and drainage points are recommended. Remove debris from valleys and gutters to prevent water pooling. Most coated steel systems benefit from occasional cleaning to maintain appearance. Zinc and copper are largely maintenance-free, developing protective patinas naturally. Looking for Your Ideal Roofing Product? Get in Touch with Us Today. Get in Touch

Rhenofol CG is a glass reinforced roofing membrane. Rhenfol CG has successfully passed all FLL testing making it ideal for use underneath a green roof or a ballast roof. Rhenofol CG Membrane Rhenofol CG is a glass reinforced roofing membrane. Rhenfol CG has successfully passed all FLL testing making it ideal for use underneath a green roof or a ballast roof. < Back Next > QBM are UK suppliers for Rhenofol CG, a reinforced pvc roofing membrane especially designed for Green Roofs and Ballast Roofs. Rhenofol is manufactured by FDT (FlachDach Technologie GmbH- ‘Flat Roof Technology’) FDT is Europe’s leading single ply roofing membrane manufacturer with manufacturing plants in Mannheim and Hemsbach in Germany. FDT launched Europe’s first singly-ply roofing membrane 70 years ago. Rhenofol CG is a glass reinforced roofing membrane. Rhenfol CG has successfully passed all FLL testing making it ideal for use underneath a green roof or a ballast roof. Some of the advantages of Rhenofol CG include: Particularly efficient and economic application for Green Roof Glass fleece reinforcement for loose laid application under ballast Proven long-term performance in UK. Non-Shrinking, root resistant and resistant to perforation. Ideal for new build green roof projects. Single-ply with reliable sealing of seams Applied without naked flame Completely recyclable roofing product BBA Approved BBA Service Life Expectancy of 40 + years. Rhenofol CV & Rhenofol CG EPD Download Rhenofol CG Data Sheet Download Rhenofol Brochure Download

Kalzip FC rainscreen is a non-penetrative façade system that incorporates a quick-to-install lightweight flat rain screen panel, suitable for both new build and refurbishment projects. The main feature of the system is its flexibility which allows the installation of the profiles to be carried out in two directions, either from the top down or from the bottom up. Kalzip® FC Facade System Kalzip FC rainscreen is a non-penetrative façade system that incorporates a quick-to-install lightweight flat rain screen panel, suitable for both new build and refurbishment projects. The main feature of the system is its flexibility which allows the installation of the profiles to be carried out in two directions, either from the top down or from the bottom up. < Back Next > Kalzip FC rainscreen is a non-penetrative façade system that incorporates a quick-to-install lightweight flat rain screen panel, suitable for both new build and refurbishment projects. The main feature of the system is its flexibility which allows the installation of the profiles to be carried out in two directions, either from the top down or from the bottom up. Kalzip FC Facade System – the components Panels delivery options: FC Panel FC Corner panel Micro-rib surface (only FC 30/400) Perforation Rv 3-5 Perforation Rv 6-8 FC Panel Luminaire System sub-construction (Variants): 7. Modular click rail SEL 8. Modular click rail NE (only on request) 9. Modular click rail SE System accessories (Parts and components): 10. Fixed point clamp 11. Guidance snapper 12. Flashing support 13. Plastic inlay (preassembled) 14. Distance caliper/Setting out tool 15. Panel removal tool 16. Plastic shims 17. Adapter SE 18. Adapter SEL 19. Allen key for fixed Point clamp 20. Supporting angle 21. Fastener 22. FischerTHERM Composite panels The application determines the design Features & Benefits: A wide range of finishes with age folding standard Total flexibility with installation sequence Ideal for enhancing the appearance of unsightly facades Economic refurbishment of facades Different colour options available Highly corrosion resistant Kalzip Facade System EPD Download Kalzip Facade System Brochure Download

Engineered and manufactured for the fast-paced demands of today’s modular building systems, Elevate EPDM Modular Roofing Systems offer significant advantages over other modular roofing products. Elevate Modular Roofing Engineered and manufactured for the fast-paced demands of today’s modular building systems, Elevate EPDM Modular Roofing Systems offer significant advantages over other modular roofing products. < Back Next > From construction site trailers to school buildings and medical centres, the advent of modular building technologies has hastened construction schedules and expanded design options for a wide variety of building types. Through their increased production efficiencies and cost economies, modular building systems offer an alternative to traditional construction projects – an alternative that means more effective utilization of capital resources, more building options and more flexibility for future expansion and construction designs. For optimum performance and economies of scale, each component of modular design requires maximum construction efficiency. Roofing is no exception, which is why we offer a complete line of quality roofing products and systems for modular buildings. Engineered and manufactured for the fast-paced demands of today’s modular building systems, Elevate EPDM Modular Roofing Systems offer significant advantages over other modular roofing products. At QBM we not only stock all you need for any modular Roofing system in our North Dublin facility, we also provide a complete back up service and as much advice you require. Modular roofing features & benefits The combination of the EPDM membrane, the accessories and the proven seaming technology offers a unique combination of features & benefits which have been demonstrated on thousands of commercial, industrial and residential rooftops across Ireland. Lightweight panels provide fast and easy installation in a factory environment Diverse panel sizes provide the best alternative for your modular needs while the variety of installation methods allow installation both in a factory environment and in-situ onto different supports Superior weatherability, even in the harshest conditions, results in long-term performance and owner satisfaction Elongation of over 300% allowing the membrane to easily accommodate the typical movements of building components Superior durability and longevity Quick and easy installation High flexibility and elasticity Low life-cycle cost Sustainable roofing solution Modular roofing material available from our Dublin facility. Modular Roofing Brochure Download

Vestis is Mazzonetto’s prepainted aluminium. Aluminium has a lightweight, corrosionproof and ductile nature; these three characteristics make it the material of the future. It meets perfectly the modern requirements of the building industry with- out thwarting the creativity of the designers. As a brand,Vestis distinguishes itself for its toughness. It can be used in the most hostile environments where it will resist ageing and withstand UV rays, even at high altitudes and in coastal locations. The creative vein of the designers is gratified by a wide range of different colors and surfaces which can be either smooth or textured, as per the latest cladding trends. Mazzonetto has developed a complete rainwater system line, in order to provide a safe solution which consistently reduces the risk for water and moisture damage on facades, plinths and foundations, always considering a pleasant aesthetic appearance, in the respect of high quality standards. Vestis Rainwater System Vestis is Mazzonetto’s prepainted aluminium. Aluminium has a lightweight, corrosionproof and ductile nature; these three characteristics make it the material of the future. It meets perfectly the modern requirements of the building industry with- out thwarting the creativity of the designers. As a brand,Vestis distinguishes itself for its toughness. It can be used in the most hostile environments where it will resist ageing and withstand UV rays, even at high altitudes and in coastal locations. The creative vein of the designers is gratified by a wide range of different colors and surfaces which can be either smooth or textured, as per the latest cladding trends. Mazzonetto has developed a complete rainwater system line, in order to provide a safe solution which consistently reduces the risk for water and moisture damage on facades, plinths and foundations, always considering a pleasant aesthetic appearance, in the respect of high quality standards. < Back Next > Vestis is Mazzonetto’s prepainted aluminium. Aluminium has a lightweight, corrosionproof and ductile nature; these three characteristics make it the material of the future. It meets perfectly the modern requirements of the building industry with- out thwarting the creativity of the designers. As a brand,Vestis distinguishes itself for its toughness. It can be used in the most hostile environments where it will resist ageing and withstand UV rays, even at high altitudes and in coastal locations. The creative vein of the designers is gratified by a wide range of different colors and surfaces which can be either smooth or textured, as per the latest cladding trends. Mazzonetto has developed a complete rainwater system line, in order to provide a safe solution which consistently reduces the risk for water and moisture damage on facades, plinths and foundations, always considering a pleasant aesthetic appearance, in the respect of high quality standards. Vestis Rainwater System Brochure Download