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Modular Roofing

Revolutionise your approach with modular roofing technology systems. Ideal for a wide array of buildings, from construction of medical centres to schools and offices. QBM supply complete line quality roofing and façade products exclusively for modular buildings. Our Elevate EPDM Roofing Systems offer significant advantages over other roofing products. Our Elevate EPDM waterproofing membranes are available in wide rolls; therefore, we can waterproof most modular buildings in 1 x piece of membrane without any joints.

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Transform Your Modular Construction Timeline with Ireland's Complete Roofing and Façade Solutions

The modular construction sector demands roofing solutions that match the speed, precision, and quality of off-site manufacturing. QBM has established itself as Ireland's specialist supplier of complete roofing and façade systems designed specifically for modular buildings, from rapid-deployment classrooms and medical facilities through to multi-storey residential developments and commercial offices. Our Elevate EPDM systems represent a breakthrough in modular roofing technology, with wide-width membranes available up to 15 metres that enable entire modular units to be waterproofed using a single piece of material. This eliminates joints, reduces installation time dramatically, and provides clients with the watertight integrity that modular construction schedules demand.


Traditional roofing approaches struggle to keep pace with the accelerated timelines that make modular construction commercially attractive. Factory-finished roofing systems installed during the manufacturing phase can suffer transport damage, whilst site-applied systems create bottlenecks that delay project completion. 


QBM's modular roofing solutions bridge this gap by providing systems that can be rapidly installed on-site immediately following module placement, with full weatherproofing achieved in hours rather than days. The lightweight nature of modern EPDM and single ply membranes means no structural loading concerns, whilst cold-applied installation eliminates fire risk in occupied or partially completed buildings. For developers and main contractors operating on tight programmes, this translates directly into earlier handover dates and reduced preliminary costs.


Quality assurance in modular construction extends beyond the factory floor to every component installed on site. QBM works exclusively with manufacturers whose products carry comprehensive third-party approvals, including BBA certificates, FM Global listings, and CE marking, providing the documentation trail that architects, engineers, and building control require. Our technical team understands the unique challenges of modular construction, from accommodating module joints and differential movement through to managing complex interfaces between roof zones and vertical façades. We can provide complete system specifications, detailed drawings for factory preparation works, and on-site technical support during installation to ensure every project meets both performance standards and programme deadlines.


The versatility of QBM's modular roofing range extends well beyond basic waterproofing. We supply integrated systems that incorporate thermal insulation, vapour control layers, green roof substrates, and photovoltaic mounting solutions, enabling modular buildings to achieve demanding energy performance targets without compromising installation speed. 


Our façade waterproofing products protect vertical surfaces and module joints against driving rain whilst maintaining aesthetic requirements, with options ranging from transparent protection for render finishes through to complete cladding systems. For projects requiring fire-rated specifications, acoustic performance, or specific sustainability certifications, our manufacturers offer specialised variants backed by comprehensive test data.


Whether you're a modular manufacturer seeking reliable supply partnerships, a main contractor managing a fast-track programme, or a developer specifying materials for modular construction, QBM delivers the complete package. Our Dublin facility maintains substantial stocks for immediate collection, whilst our logistics network ensures reliable delivery to manufacturing facilities and construction sites nationwide. From initial system selection and material specifications through to technical support during installation and warranty registration, QBM provides the expertise and service that keeps modular projects moving.


Got a Question? Find the Answer Here

Why are wide-width EPDM membranes better for modular buildings than standard roofing materials? 

Wide-width EPDM membranes available in rolls up to 15 metres wide can cover entire modular units without joints, eliminating the most common source of roof leaks in modular construction. This single-piece installation dramatically reduces labour time compared to traditional materials, with typical modular classroom units fully waterproofed in just a few hours. The elimination of joints also simplifies quality control and removes potential failure points that could cause problems years after installation. For modular manufacturers and contractors operating on tight schedules, this translates into faster turnaround times and greater confidence in long-term performance.


Can roofing systems be installed after modules are positioned on site, or must they be factory-applied? 

Both approaches are viable depending on project requirements and logistics. QBM supplies systems suitable for either factory application during manufacturing or rapid site installation following module positioning. Many clients prefer site installation as it avoids transport damage to completed roofs and allows flexibility in module configuration. Cold-applied EPDM and single-ply systems are ideal for site installation as they require no hot works, can be installed in most weather conditions, and achieve full weatherproofing within hours. Our technical team can advise on the optimal approach for your specific project and timeline.


What fire safety requirements apply to modular building roofs in Ireland? 

Modular buildings in Ireland must comply with Building Regulations Part B (Fire Safety), with requirements varying based on building use, height, and proximity to boundaries. Educational facilities, healthcare buildings, and residential developments typically require external fire performance classification of BROOF(t4) minimum, achieved through appropriate membrane, insulation, and deck combinations. Many modular manufacturers working in sensitive sectors such as schools and hospitals specify enhanced fire-rated systems as standard. All QBM roofing products carry relevant fire test certifications, and we can provide system configurations that meet project-specific fire safety requirements.


How do modular roofing systems handle module joints and differential movement? 

Properly specified modular roofing systems accommodate module joints and structural movement through careful detailing and appropriate material selection. Flexible EPDM membranes can bridge module joints without stress concentration, whilst purpose-designed joint covers and movement accommodators handle differential settlement between units. The key is ensuring adequate substrate preparation at module interfaces and selecting membranes with sufficient elongation properties to accommodate expected movement. Our technical team can provide detailed joint specifications and has extensive experience with various modular construction systems used across Ireland's education, healthcare, and residential sectors.


What warranties are available for roofing systems on modular buildings? 

Modular construction projects can access the same comprehensive warranty programmes available for traditional buildings when systems are installed by approved contractors using complete manufacturer-specified components. Many EPDM and single ply systems carry insurance-backed warranties extending to 20-25 years, providing building owners with long-term protection and peace of mind. Warranty coverage typically requires documented installation procedures, regular maintenance inspections, and retention of all system components and records. QBM can facilitate warranty registration and provide the technical documentation required for warranty compliance throughout the building's service life.


Looking for Your Ideal Roofing Product? Get in Touch with Us Today.

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