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For professionals looking to build their skills in the roofing sector, Quality Building Materials offers comprehensive and hands-on training programs. Enroll today and take the first step toward advancing your career. Technical Training At Quality Building Materials, our focus is on providing high-quality training programs that are tailored to the needs of each individual. We offer Elevate EPDM, Kalzip/Vestis Foldable Aluminium and FDT Rhenofol PVC training, ensuring that you get the best possible education and expertise in your industry. Sign up today and see for yourself! For professionals looking to build their skills in the roofing sector, Quality Building Materials offers comprehensive and hands-on training programs. Enroll today and take the first step toward advancing your career. Technical Training Courses available: Elevate EPDM Kalzip/Vestis Foldable Aluminium FDT Rhenofol PVC Frequently asked questions No FAQs yet This category doesn't have any FAQs at the moment. Check back later or explore other categories. Each attendee receives a toolkit, specially selected by our technicians, which includes basic tools for your roofing needs. In addition, lunch and refreshments throughout the day are provided for all attendees. A TYPICAL TIMETABLE IS SHOWN BELOW: 09:00 Reception & registration at the training centre 09:15 Introduction to Materials 10:15 Hands-on-practical membrane installation 12:30 Lunch (provided) 13:00 Hands-on – detailing techniques 16:30 Wrap up TRAINING COURSE REGISTRATION Get in touch by filling out the form. We’ll respond as soon we can. Company Name Company Telephone Company Address 1st Applicant Name 2nd Applicant Name 3rd Applicant Name 1st Applicant Email 2nd Applicant Email 3rd Applicant Email 4th Applicant Name 4th Applicant Email Select an option Elevate EPDM Kalzip/Vestis Foldable Aluinium FDT Rhenofol PVC Training course fee: €150.00 [+ VAT] per applicant. Submit Thanks for submitting! Training coordinator Please contact our training coordinator for details of the next available course. Contact Us

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

Roofing materials in stock now. Call & collect from our Dublin trade counter. Fast service, trade pricing, and expert support. Opening hours: Mon-Thu 7:00 AM - 5:00 PM ¦ Fri 7:00 AM - 4:00 PM Our Trade Counter is: Open The Roofing Trade Counter In Dublin Get What You Need, When You Need It Visit our newly relocated trade counter at Baldoyle Industrial Estate, Dublin 13. Expert advice and quality products for professionals and DIY enthusiasts Visit Our Trade Counter Explore Our Products Our Product Range FLAT ROOFING - EPDM RUBBER FLAT ROOFING - PVC FLAT ROOFING - BITUMEN FLAT ROOFING - LIQUID FLAT ROOFING - ACCESSORIES INSULATION TOOLS FLAT ROOFING - ROOFLIGHTS METAL GUTTERS Roofing Materials at Our Dublin Trade Counter Finding reliable trade suppliers in Dublin isn't always straightforward. You need materials that actually work, advice you can trust, and, perhaps most importantly, stock that's available when you need it. QBM's trade counter at Baldoyle Industrial Estate has been serving Dublin's roofing professionals since 2012, and there's a reason contractors keep coming back. Our Opening Hours & Location Monday to Thursday: 7:00 AM – 5:00 PM Friday: 7:00 AM – 4:00 PM Location: Baldoyle Industrial Estate, Dublin 13 Early access works well for contractors collecting materials before the site opens. Need something urgently? Give us a ring before visiting to confirm stock availability. Frequently asked questions Do you offer credit accounts for regular trade customers? Yes, QBM provides trade credit accounts for established contractors and builders who purchase regularly from our Dublin counter. Account applications require standard business documentation, including company details, trade references, and VAT registration. Credit terms are assessed individually based on business requirements and purchase volumes. Account holders benefit from monthly invoicing, competitive trade pricing, and priority access to technical support services. Contact our team to discuss account setup and discover how credit facilities can improve your cash flow management across multiple projects. Can I return unused materials if I've over-ordered? Unused materials in original, unopened packaging can typically be returned within a specified timeframe, subject to our returns policy. However, cut materials, special orders, and items manufactured to custom specifications cannot be returned. This is why we strongly recommend using our free estimating service before ordering. Our technical team calculates precise quantities needed, accounting for wastage factors and project specifics. This approach prevents over-ordering whilst ensuring you have sufficient materials to complete installations without delays. Always retain receipts and contact us before returning items to confirm eligibility. What documentation do you provide for building control submissions? QBM supplies complete technical documentation required for building control compliance in Ireland, including detailed product data sheets, fire rating certificates, BBA certificates where applicable, declarations of performance, and installation guidelines. Our roofing systems meet Irish building regulations for thermal performance, fire safety, and structural requirements. Technical staff can assist with specification writing and provide guidance on regulatory compliance for your specific project type. All certifications are current and traceable to manufacturer sources, ensuring inspectors have confidence in materials used. This documentation package supports smooth project approval and sign-off processes. Why Contractors Choose QBM Location matters when you're running a tight schedule. Our Baldoyle facility sits right in Dublin 13, easily accessible from the M50 and M1. Early starts? We're open from 7:00 AM Monday to Friday, so you can collect materials before heading to site. But it's not just about convenience. Here's what sets us apart: Expert staff who actually know roofing – not just sales people reading product labels Over 300 flat roofing products in stock – from budget-friendly solutions to premium systems Next-day delivery across Ireland for orders placed before noon Free technical estimating service to prevent costly material shortages On-site training facility for learning proper installation techniques What We Stock at Our Dublin Trade Counter Walk into our trade counter and you'll find everything needed for flat roofing projects. EPDM rubber membranes are popular with contractors who want reliability. TPO and PVC single-ply systems work brilliantly for commercial applications. Then there's GRP fibreglass, traditional torch-on felt, and liquid waterproofing options. Each system has its place, really. Some projects demand specific solutions based on substrate type, budget constraints, or access limitations. Our technical team helps you match the right product to your actual requirements rather than just pushing whatever's on promotion. Services That Actually Help Your Busines Technical Design Support Got a tricky detail to work out? Our technical design team reviews your project drawings, suggests solutions, and calculates precise material quantities. This service is completely free, by the way. It prevents the frustrating situation of missing a critical component halfway through installation. On-Site Profiling Service We run an in-house profiling service for hard-metal standing-seam systems. Custom flashings and cappings get pressed to your exact specifications. No waiting weeks for special orders, we handle it right here in Dublin. On-Site Training Installing roofing systems properly requires skill. Our on-site training facility offers hands-on sessions where your team can practice techniques before tackling live projects. Perhaps you're working with a new membrane system or need to master complex detailing? These sessions save time and materials on actual jobs. Why Stock Quality Matters in Irish Weather Irish weather is brutal on roofs. Constant rain, wind-driven moisture, and temperature swings demand materials engineered for these conditions. Cheap imports might work fine in drier climates but fail spectacularly here. Every product we stock has proven performance in Irish conditions. Our suppliers provide proper warranties, not the vague "guarantees" that disappear when problems occur. Technical support continues after purchase because successful installations protect everyone's reputation. Who We Serve Roofing Contractor Trade accounts available with competitive pricing. Regular customers benefit from account terms that help manage cash flow across multiple projects. Our technical team provides on-site support when installations get complicated. Architects & Specifiers Looking for CPD courses or product specifications? Our team delivers presentations at your office or our facility. We work with you during the design phase to ensure specified systems meet performance requirements and budget constraints. Builders & General Contractor Not every builder specialises in flat roofing. That's fine. We guide you through product selection, calculate quantities, and explain installation requirements. Building control documentation? We provide all necessary certifications and technical data sheets. DIY & Homeowners Tackling your own flat roof project? Brave choice. We sell to DIY customers and provide the same technical advice available to professionals. Some systems are genuinely achievable for competent DIYers, though we'll be honest if you're attempting something better left to specialists. Get Expert Advice at Our Dublin Trade Counter Visit Our Trade Counter

Powerply is a single ply membrane roofing product with integrated solar cells. Factory applied PV cells are integrated directly onto the approved single ply membrane to create a roofing system that can be installed in the same way as a conventional roof. BIPVco Integrated Solar Powerply is a single ply membrane roofing product with integrated solar cells. Factory applied PV cells are integrated directly onto the approved single ply membrane to create a roofing system that can be installed in the same way as a conventional roof. < Back Next > Sustainable buildings and architecture are an utmost consideration for architects for the built environment of the future. Building-integrated photovoltaics (BIPV) is fast becoming the architect’s preferred approach for integrating solar PV into a buildings architecture. We understand the challenges from the architectural, construction contracting and thermo-mechanical viewpoints – this is a highly challenging sector for solar module manufacturers. We combine form and function by combining established construction products with cutting-edge solar solutions. BIPVco is committed to factory incorporation of PV functionality to the building fabric to drive quality and value, and facilitate integrated solar architectural solutions. Collaborating with significant building envelope substrate and component manufacturers, we can offer sympathetically integrated solar-powered roof and wall solutions. The thin film flexible solar cells are infused directly into contemporary building envelope substrates of metals such as steel, aluminium, stainless steel and zinc or non-metals such as TPO single-ply membranes, polycarbonate sheets and certain types of plastics. Our range of applications is constantly expanding, and BIPVco welcomes the opportunity to work with ambitious architects and designers to extend BIPVco’s range of new applications and fulfil the design brief without compromise. BIPVco Data Sheet Download

Sustainable green roofing systems designed for Irish climates. Improve insulation, biodiversity, and building performance. Request a quote today. Green & Blue Roofing Systems Green roofs have been popping up on flat roofs around the world for several decades. Many European municipalities are encouraging their incorporation in the urban landscape and, in some regions, even making them mandatory for new buildings. < Back Next > Polyroof Protec Evolve General Membrane Elevate RubberGard EPDM - EPDM SA Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key. Green Roofing Systems for Sustainable Irish Buildings Green roofing systems (sometimes referred to as living roofs) provide a practical way to improve building performance while delivering environmental benefits. These systems combine waterproofing, drainage, growing media, and vegetation to create roofs that manage rainwater, improve insulation, and extend the life of the underlying membrane. QBM supplies complete green roofing systems for projects across Dublin and Ireland, supporting both extensive and intensive installations. From lightweight sedum roofs on commercial buildings to deeper landscaped systems on new developments, we help contractors and specifiers select solutions that suit structural capacity, budget, and maintenance expectations. Extensive green roofs use shallow growing media and low-maintenance planting, making them ideal for commercial buildings where access is limited. Intensive systems use deeper substrates to support a wider range of plants and create usable roof spaces, but require greater structural capacity and ongoing maintenance. When correctly specified and installed, green roofing systems perform reliably in Irish weather conditions, helping manage rainfall, reduce heat build-up, and support sustainable construction goals. QBM provides technical guidance, product compatibility advice, and complete system supply to ensure long-term performance. Got a Question? Find the Answer Here Can green roofs be installed on existing buildings in Ireland? Green roofs can be retrofitted onto existing Irish buildings if structural capacity permits the additional weight of saturated growing medium, drainage layers, and vegetation. Engineers must verify that existing roof structures can safely support green roof loads, typically ranging from 60-900 kg/m², depending on system depth. Many older buildings lack adequate capacity without costly reinforcement. Waterproofing must be in excellent condition or replaced with root-resistant membranes before installation. Access for installation and maintenance also requires consideration. Feasibility studies combining structural assessment and cost analysis determine retrofit viability. What plants grow best on Irish green roofs? Irish green roofs perform well with native sedum species, grasses, and wildflowers adapted to local climate conditions, including high rainfall, moderate temperatures, and occasional drought. Sedum album, Sedum acre, and Sedum reflexum dominate extensive systems due to exceptional drought tolerance and minimal maintenance requirements. Deeper intensive systems support native grasses like fescues, wildflowers including thrift and bird's-foot trefoil, plus hardy perennials and shrubs. Plant selection considers exposure to wind, substrate depth, irrigation availability, and maintenance commitment. Native species provide superior biodiversity value compared to exotic alternatives whilst requiring less intervention. How do green roofs perform during Irish winters? Green roofs function reliably during Irish winters when properly designed for local conditions. Most sedum species remain semi-evergreen, providing year-round coverage and stormwater management. Substrate and vegetation insulate underlying waterproofing from freeze-thaw cycles that damage conventional roofing. Drainage systems must handle increased winter rainfall without blockage or overflow. Snow loads combine with saturated substrate weight, requiring structural verification during design. Properly specified systems withstand Irish winter conditions without special intervention. Spring growth typically fills any winter damage naturally. Annual autumn maintenance removes debris before winter to maintain drainage function. Looking for Your Ideal Roofing Product? Get in Touch with Us Today. Get in Touch

RubberCover EPDM is a high-performance roofing system for residential flat roofs up to 150 m². The membrane is available in two thicknesses: 1 mm and 1.5 mm. Elevate RubberCover EPDM (formally Firestone) RubberCover EPDM is a high-performance roofing system for residential flat roofs up to 150 m². The membrane is available in two thicknesses: 1 mm and 1.5 mm. < Back Next > Quick, Easy And Trouble-free Residential Roofing System RubberCover EPDM is a high-performance roofing system for residential flat roofs up to 150 m². The membrane is available in two thicknesses: 1 mm and 1.5 mm. Based on an EPDM synthetic rubber membrane with a life expectancy of over 50 years, it is one of the most durable and sustainable roofing systems on the market. It is compatible with a wide range of substrates, making it perfect for renovations as well as new build projects. RubberCover EPDM also allows homeowners to make the most of their roof. The system is compatible with green, solar, blue and accessible roofs. For this type of applications, we recommend the use of the 1.5 mm thick membrane. In short, RubberCover EPDM is designed to stand the test of time and bring peace of mind and enjoyment to homeowners. Features And Benefits Superior durability The RubberCover EPDM membrane has excellent resistance to UV, ozone, microorganisms and severe weather conditions. It can elongate over 300% to accommodate building movements and temperature fluctuations, retaining its physical properties over several decades. Additions like skylights or extensions can be integrated easily without affecting the system’s performance. Easy installation RubberCover EPDM is lightweight, flexible, easy to work with and allows a short installation time. It comes in large sheets which can cover most residential roofs in one piece without any field seaming. The rolls are easy to handle and store and there’s no need for special tools. Provided the structure is sound, RubberCover EPDM can be used on virtually any new or existing flat roof. Flame-free No flame is needed to install the RubberCover EPDM system. The membrane is simply adhered to the substrate using a contact adhesive. This cold application process thoroughly minimizes the risk of fire accidents. Very low life-cycle cost Once installed, RubberCover EPDM membranes require no or only little maintenance. Combined with the membrane’s inherent durability and competitive installed cost, this results in a very low life-cycle cost. Environmentally friendly Due to its exceptional durability, easy maintenance and suitability for recycling, RubberCover EPDM is one of the most eco-friendly roofing products on the market. Several third-party studies have proven that EPDM membranes have a lower environmental impact compared to other roofing membranes. RubberCover EPDM membrane is chemically inert and releases no toxic ingredients, making it suitable for the recuperation of rainwater for sanitary use. In addition, the system is compatible with extensive green roofs and photovoltaic systems, further contributing towards a sustainable environment. Firestone EPDM: Same Iconic Products, New Brand Name – Elevate Elevate RubberCover EPDM was formerly known as Firestone Rubber Cover. Firestone rebranded to Elevate in 2021, with a continuing commitment to the iconic Firestone products. No changes to the product or manufacturing processes means you still get the highest performance products made over the pasts 40 years. QBM Green & Blue Roof Systems Download RubberCover EPDM Brochure Download

Jason Wilson looks after Sales and Business Development at QBM. With 20+ years in the roofing and building materials sector, he supports contractors and project teams with practical product guidance and reliable supply solutions. < Back Jason Wilson Sales and Business Development Jason joined QBM at the beginning of 2024 and leads Sales and Business Development, working closely with roofing contractors and construction stakeholders across Ireland. He brings over two decades of experience in the roofing and building materials industry, with a strong track record in commercial relationship management and day-to-day delivery focused support. At QBM, Jason helps customers identify the right flat roofing solutions for their project needs—balancing performance, programme, and cost—while ensuring a smooth path from enquiry through to order and ongoing site support. He is known for a straightforward, problem-solving approach and for building long-term partnerships based on responsiveness and trust.

Supplying durable solar roofing systems across Ireland for homes, builders, and commercial projects. Save energy and reduce costs. Request a quote today. Solar Roofing Systems BIPVco is a British manufacturer of solar integrated roofing products, utilising market leading technology and processes to make Building Integrated Photovoltaics (BIPV) from conventional building materials; the BIPV functionalised roof works as a building product, whilst converting the building envelope from a liability into an asset by using the roof to generate low carbon electricity. < Back Next > BIPVco Integrated Solar Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key. Solar Roofing Systems for Modern Irish Buildings Solar roofing systems offer a practical way to generate renewable energy while maintaining a clean, integrated roof design. Unlike traditional solar panels that sit above the roof surface, building-integrated solar roofing replaces standard roofing materials with solar-generating alternatives. QBM supplies solar roofing systems across Dublin and Ireland, supporting projects where performance, appearance, and long-term durability matter. These systems are commonly used on new builds and commercial developments where energy efficiency targets and roof aesthetics are equally important. Solar roofing systems act as both the weatherproof roof covering and the energy-generating layer. This reduces the need for separate mounting systems and creates a cleaner finish compared to traditional panel installations. When properly specified, solar roofing performs reliably in Irish conditions, even with variable weather and lower sun angles. QBM works with architects, contractors, and engineers during the design stage to ensure solar roofing systems are suitable for the building type, orientation, and energy requirements. We provide technical guidance to help integrate solar roofing into compliant and practical roof designs. Got a Question? Find the Answer Here How much electricity can I expect from a BIPV roof in Ireland? Electricity generation from BIPV systems in Ireland typically ranges from 800-1,100 kWh per installed kilowatt-peak annually, depending on roof orientation, pitch angle, shading, and system efficiency. South-facing roofs at optimal pitch produce maximum output, whilst east-west orientations generate approximately 15-20% less. Weather patterns across Ireland create regional variations; coastal areas sometimes achieve better results than inland locations. System performance monitoring during the first year establishes realistic expectations for your specific site conditions and helps optimise energy usage patterns. Do planning authorities approve BIPV systems in conservation areas? Planning approval for BIPV in conservation areas depends on local authority policies, building heritage significance, and how closely products mimic traditional materials. Solar slates resembling natural slate often gain approval where standard panels would be refused. Submit detailed product specifications and visual representations early in the planning process. Some authorities require heritage impact assessments or a specialist conservation officer review. Pre-planning consultation identifies potential objections before formal applications. QBM provides technical documentation and product samples to support planning submissions for projects in sensitive locations. Can BIPV systems integrate with battery storage? Yes, BIPV systems connect to battery storage solutions just like conventional solar panel installations. Battery integration stores excess generation for evening use when solar production stops, improving self-consumption rates and reducing grid dependency. Modern lithium-ion battery systems work seamlessly with BIPVco solar roofing products through standard inverter connections. Storage capacity should match typical daily usage patterns and available roof generation, oversized batteries waste investment, whilst undersized systems miss optimisation opportunities. Our technical team can recommend appropriate battery sizing based on your electricity consumption data and roof generation capacity. Looking for Your Ideal Roofing Product? Get in Touch with Us Today. Get in Touch

Rhenofol CV is reinforced with polyester grid reinforcement, ensuring this membrane is extremely tear-resistant. Rhenofol Cv is Hail and UV-resistant. Rhenofol CV Membrane Rhenofol CV is reinforced with polyester grid reinforcement, ensuring this membrane is extremely tear-resistant. Rhenofol Cv is Hail and UV-resistant. < Back Next > QBM are UK suppliers for Rhenofol CV, a reinforced pvc roofing membrane. 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 CV is reinforced with polyester grid reinforcement, ensuring this membrane is extremely tear-resistant. Rhenofol Cv is Hail and UV-resistant. Some of the advantages of Rhenofol Cv include: Particularly efficient and economic application to any flat roof Resistant to UV radiation and weathering Proven long-term performance in UK. Especially designed for the demands of new industrial buildings Ideal for refurbishment projects. Single-ply with reliable sealing of seams Applied without naked flame Completely recyclable roofing product FM approved BBA approved with a Service Life Expectancy of 40 + years. Rhenofol Cv was recently and successfully used in IKEA Reading and IKEA Sheffield, both of these projects were over 30,000M² each. Rhenofol CV Data Sheet Download Rhenofol CV & Rhenofol CG EPD Download Rhenofol Brochure Download

Complete flat roof drainage solutions for Irish projects. Rainwater outlets, edge trims, pipe flashings & accessories in stock. Roof Outlets and Accessories b/s/t offers a full range of flat roof accessories, competent professional consultancy and design support. We work in 24 countries, tailoring everything to suit our customers’ needs for customised or special products. b/s/t stands for simple, tailor-made solutions, lasting quality and reliable service. Your projects provide our motivation. < Back Next > Italprofili Roofing Accessories Harmer Rainwater Outlets bst flat roof drainage systems & accessories Proud Stockist of: To play, press and hold the enter key. To stop, release the enter key. Flat Roof Systems with Ireland's Most Comprehensive Range of Drainage Solutions and Roofing Accessories Even the most advanced waterproofing membrane will fail catastrophically if rainwater cannot drain efficiently from the roof surface, yet drainage design remains one of the most frequently overlooked aspects of flat roof specification. QBM supplies the complete range of roof outlets, drainage accessories, and finishing components needed to create fully functional flat roof systems that shed water reliably throughout their service life. Our Roof Outlets and Accessories stock includes rainwater outlets from leading European manufacturers like b/s/t and Harmer, edge trims and drip profiles from Italprofili, expansion joints, pipe flashings, walkway systems, and specialist accessories for every flat roof configuration. Whether you're specifying drainage for a compact residential extension or designing complex multi-level commercial roof systems, we supply the technical solutions and expert guidance that ensure proper water management from the outset. The performance and longevity of roof drainage systems depend fundamentally on compatibility between outlets and waterproofing membranes, correct sizing for rainfall intensity and roof area, and appropriate detailing at critical junctions. QBM's technical team understands these interdependencies and can recommend drainage solutions matched to your specific waterproofing system, whether EPDM, PVC, liquid applied, or reinforced bitumen. Our b/s/t drainage range exemplifies best-practice design with outlets engineered for specific membrane types, incorporating integral flanges that bond directly to waterproofing layers whilst maintaining the flexibility needed to accommodate structural movement. For refurbishment projects where existing drainage proves inadequate, we supply retrofit solutions including raised outlets, sump formers, and overflow systems that upgrade performance without requiring wholesale roof reconstruction. Material compatibility extends beyond outlets to encompass every roof penetration and termination detail where waterproofing integrity must be maintained. QBM supplies comprehensive accessory ranges including prefabricated pipe flashings for soil vents and ventilation terminals, expansion joint profiles that accommodate building movement whilst preserving watertight integrity, and edge trim systems that provide professional finishing whilst protecting vulnerable membrane edges from wind uplift and UV degradation. Our Italprofili range offers particularly elegant solutions for edge details, parapet cappings, and architectural features where aesthetics matter alongside technical performance. Every accessory we supply carries appropriate certifications and manufacturer approvals for use with major waterproofing systems, eliminating the compatibility uncertainties that void warranties and generate premature failures. Beyond basic drainage and waterproofing accessories, QBM stocks a comprehensive range of ancillary components that professional roofing contractors require to deliver complete installations. Our inventory includes walkway systems and protection mats for roofs requiring maintenance access, gravel retention grids for ballasted systems, green roof drainage layers and root barriers for vegetated assemblies, and specialist sealants and adhesives for complex details. We also supply tapered insulation systems and drainage composites that create the falls needed for effective water shedding on structurally flat decks, addressing one of the most common causes of premature flat roof failure. This comprehensive approach means contractors can source complete system packages from a single supplier, streamlining procurement whilst ensuring material compatibility throughout the roof assembly. Quality Building Materials has built its reputation by maintaining the most comprehensive stock of flat roof drainage products and accessories in Ireland, eliminating the project delays associated with special orders or back-ordered components. Our Dublin trade counter provides immediate access to standard products, whilst our relationships with manufacturers enable rapid procurement of bespoke fabrications for non-standard applications. We supply complete technical data sheets, CAD details, and installation guidelines for every product line, supporting contractors and specifiers in delivering compliant installations that satisfy both Building Regulations and manufacturer warranty requirements. Whether you're a roofing contractor pricing materials for tender submission, an architect specifying drainage capacity for building control approval, or a facilities manager sourcing replacement components for maintenance works, QBM provides the products, technical expertise, and commercial terms that support successful project delivery. Got a Question? Find the Answer Here Does QBM install roof outlets and drainage systems, or only supply materials? QBM is a specialist roofing materials supplier and does not provide installation services. We supply high-quality roof outlets, drainage systems, and roofing accessories to professional contractors and roofing specialists across Ireland. Our Dublin trade counter provides expert product selection advice, technical specification support, and drainage calculations to help installers specify appropriate materials, whilst your chosen contractor handles the actual installation. This focus on supply allows us to maintain Ireland's most comprehensive stock of flat roof drainage products and provide the technical expertise that supports successful installations. How do I calculate the correct number and size of roof outlets needed for my project? Roof outlet sizing depends on several factors, including roof area, rainfall intensity for your location, drainage run lengths, and whether you're designing primary drainage only or including emergency overflow provision. As a general guide, Irish Building Regulations typically require drainage capacity based on rainfall intensity of 75mm/hour, with most residential flat roofs under 50m² adequately served by a single 70-90mm diameter outlet. Larger commercial roofs require hydraulic calculations accounting for multiple outlets, box gutters, and overflow systems. QBM's technical team can provide drainage calculations for your specific project or recommend appropriately qualified drainage engineers for complex commercial applications requiring detailed hydraulic modelling. What's the difference between primary drainage outlets and emergency overflow outlets? Primary drainage outlets handle normal rainfall and are connected to the building's rainwater drainage system. Emergency overflow outlets (also called spigot or scupper outlets) provide secondary drainage if primary outlets become blocked by debris or cannot cope with exceptional rainfall events. Irish Building Regulations require emergency overflow provision on most flat roofs to prevent structural overloading from ponded water. Overflow outlets are typically set 50mm higher than primary outlets and discharge visibly at the building perimeter, so blockages are immediately apparent. Both outlet types must be sized appropriately and detailed correctly with the waterproofing membrane to maintain watertight integrity. Are roof outlets universal, or do I need specific outlets for different waterproofing systems? Roof outlets are not universal and must be compatible with your waterproofing system to maintain watertight integrity and warranty compliance. Different membrane types require specific outlet flange configurations, bonding methods, and sealing details. For instance, EPDM outlets use rubber flanges that bond with EPDM adhesives or tape, whilst PVC outlets have welded PVC flanges, and bitumen systems use torch-applied flanges or two-part epoxy bonding systems. Using incompatible outlets is a common cause of leaks and voids manufacturer warranties. QBM supplies membrane-specific outlets from manufacturers like b/s/t and Harmer that carry approvals for major waterproofing systems, and our technical team can confirm correct outlet selection for your chosen membrane. What maintenance do roof drainage systems require to continue working effectively? Roof drainage systems require regular inspection and maintenance to ensure continued effectiveness. We recommend clearing debris from outlets and gullies at least twice annually, typically in autumn after leaf fall and in spring. Box gutters should be inspected quarterly on commercial buildings and after severe weather events. Remove all accumulated leaves, moss, and debris that could block outlets or restrict water flow. Check that outlet grilles remain secure and undamaged. Inspect overflow outlets to ensure they're clear and unobstructed. On green roofs or roofs near trees, more frequent maintenance may be necessary. Many building owners establish planned maintenance contracts with roofing specialists to ensure consistent inspection schedules and prompt clearing of blockages before water back-up causes damage. Looking for Your Ideal Roofing Product? Get in Touch with Us Today. Get in Touch

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

Noreena Hannigan is QBM’s Finance and Operations Manager, bringing a results-driven approach to financial oversight, operational efficiency, and strategic planning. With a strong focus on compliance, logistics, and team leadership, she plays a pivotal role in ensuring QBM’s continued growth and excellence in service delivery. < Back Noreena Hannigan Finance and Operations Manager As Finance and Operations Manager at QBM, Noreena Hannigan plays a central role in driving the company’s financial performance and operational excellence. Reporting directly to the company’s Directors, she oversees budgeting, forecasting, cash collection, and compliance with financial regulations — ensuring QBM remains on a solid financial footing. Noreena also leads the warehouse and fabrication teams, manages procurement and logistics, and ensures seamless coordination across departments. Her leadership has been instrumental in streamlining operations, enhancing customer service at the trade counter, and implementing robust stock and dispatch systems. With a keen eye for detail and a strategic mindset, Noreena is also responsible for IT infrastructure, HR partnerships, and cross-functional reporting. Her commitment to high standards and continuous improvement supports QBM’s mission to deliver industry-leading roofing and cladding solutions across Ireland.