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Trusted Flat Roof Installation & Repairs in Belfast
Established to deliver premium flat roof solutions, B W P Contracts has built a reputation for excellence across Belfast and County Down. Our expertise lies in constructing durable flat roof systems using high-quality materials from Polyroof Products Ltd, a UK-based manufacturer renowned for innovation since the 1980s. As licensed installers of Polyroof, Alkorplan, and Armourplan membranes, we combine technical proficiency with a commitment to customer satisfaction. Our team specialises in both new installations and refurbishments, offering tailored solutions for residential, commercial, and industrial properties.

With a focus on longevity and performance, we provide 15 - 20-year warranties backed by independent guarantees, ensuring peace of mind for clients. Our work with a major retail group over eight years underscores our reliability in delivering maintenance contracts that meet exacting standards. By prioritising transparency, technical expertise, and adherence to industry best practices, we aim to exceed client expectations while maintaining competitive pricing and clear communication.
Services
Flat Roof Installation PVC Single Ply Torch on Felt Maintenance Contracts Polyroof Systems
Highlights and features
  • We offer 20-year guarantees on Polyroof systems, supported by independent trust funds.
  • Our team are licensed installers of Alkorplan and Armourplan membranes with specialist training.
  • We utilise BBA-approved materials for superior durability and performance.
  • We provide maintenance contracts with an 8-year track record for major retail clients.
  • Our solutions cater to both new builds and refurbishments with minimal disruption.
Associations and certifications
  • Polyroof Products Ltd
  • British Board of Agreement (BBA)
  • FM Approvals
Services
Flat Roof Installation
We specialise in constructing flat roofs using fibreglass substrates from Polyroof Products Ltd. Our systems, including Polyroof 185 and Protec, are designed for durability with BBA-approved materials. Ideal for new builds and refurbishments, our installations offer 2530-year lifespans with 20-year guarantees.
PVC Single Ply
Our PVC single-ply solutions utilise Alkorplan and Armourplan membranes, featuring hot-air welded seams for watertight integrity. These lightweight, low-maintenance systems resist pollution and UV degradation, with warranties of 1520 years. Suitable for commercial and residential properties requiring modern, efficient roofing.
Torch on Felt
We install Plura R composite torch-on felt systems, offering enhanced durability without annual coatings. Double-layer applications ensure longevity for roofs requiring full deck replacement. Our expertise includes mineral felt detailing for edge protection and water management.
Maintenance Contracts
We provide comprehensive maintenance for existing flat roofs, including inspections, repairs, and condition reporting. With an 8-year partnership with a major retail group, our proactive approach extends roof lifespans and prevents costly failures through scheduled upkeep.
Polyroof Systems
As licensed Polyroof installers, we apply cold-liquid waterproofing systems suitable for warm, cold, and inverted roof designs. Our Protec system adheres directly to existing surfaces, minimising disruption during refurbishments. All installations carry Polyroofs Accredited System Guarantee.
Questions
What types of flat roof systems do you install?
We install Polyroof fibreglass systems, PVC single-ply membranes (Alkorplan/Armourplan), and torch-on bituminous felt. Each system is selected based on the property's requirements and expected lifespan.
Do you offer guarantees on your roofing work?
Yes, we provide 15–20-year warranties on Polyroof and PVC systems, supported by independent guarantees. Torch-on felt installations come with standard industry warranties.
Can you repair existing flat roofs?
Yes, we specialise in refurbishments using compatible materials like Polyroof Protec, which can be applied directly over existing surfaces to extend lifespan without full replacement.
Are your installers certified?
All our operatives are licensed installers for Polyroof, Alkorplan, and Armourplan systems, having completed manufacturer-approved training and ongoing assessments to ensure compliance with technical standards.
Do you provide maintenance services for commercial properties?
Yes, we offer tailored maintenance contracts, including inspections and repairs, with an established track record servicing a major retail group’s property portfolio across Northern Ireland.
What areas do you cover?
We operate throughout Northern Ireland, with a focus on Belfast and County Down. Our services extend to residential, commercial, and industrial clients requiring flat roof solutions.