Synonymous with premium performance and ideal for small to medium sized projects requiring an extra tough, durable and highly impact-resistant finish.
BBA Approved
Up to 20 Year Guarantees
Suited to Smaller Scale Projects
Quickly Weather Resistant
Durability Rating Up to 30 Years
Choice of Colours
The UK's Leading GRP Roofing System
Extra-Tough and Hardwearing GRP Roofing System
Polyroof’s 185 GRP System is the UK’s leading GRP roofing system and has become synonymous with premium performance. The 185 GRP System was the first ever fibreglass system to receive BBA certification and has been installed on roofs and balconies since 1984.
Always applied to a Polyroof approved OSB3 or plywood deck, the system carries a durability rating of up to 30 years and provides an exceptionally tough and hard-wearing membrane. Ideal for small to medium sized roofing projects, the 185 GRP System is available in a wide range of colours and finishes.
The highly impact-resistant finish can withstand regular foot traffic without additional protection and when combined with an anti-slip finish, the 185 GRP System is the perfect choice for balconies and walkways.
Key Features
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The toughest and longest lasting GRP roofing system on the marketThe original and the best: Polyroof’s 185 GRP system has been on the market since 1984, offering proven, durable waterproofing and lasting peace of mind for thousands of clients across the UK.
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Superior DurabilityThe 185 GRP System is BBA approved (Cert No. 91/2604) with a certified lifespan of at least 30 years.
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Attractive Finish Available in a Wide Range of ColoursStandard colours are Dark Battleship Grey, Light Battleship Grey, Lead Green, Dark Grey and Havana Brown.
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Seamless Waterproof MembraneApplied as a liquid, 185 GRP System forms a seamless waterproof membrane with no joints, no welds and no weak points.
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Cold Applied Installation with Zero Risks from Hot WorksUnlike many traditional roofing materials that require open flame hot works to install, the 185 GRP System is fully cold applied meaning there are no risks of accidental fire during installation.
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Trusted GuaranteeThe guarantee is supported for 20 years by an independently administered trust fund with additional annually renewable insurance as standard.
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Fire PerformanceClassified as BROOF(t4), the top rating achievable for a flat roof system and designating the 185 GRP System as unrestricted under the national requirements.
185 GRP System Applications
The 185 system is always applied to Polyroof approved plywood or OSB3 boards.
Usually used on roofs involving strip-and-replace works.
Ideal for any new build timber roof applications.
Ideal for use as part of a warm or cold deck roof design.
Available with a BBA approved extra tough anti-slip finish for trafficked areas.
If you’d like to learn more about the specifications of GRP Roofing or discuss any projects you may be planning, feel free to get in touch today. We’d be more than happy to answer any questions or queries you may have.
185 GRP System Case Studies
Why Should You Use GRP Roofing?
GRP Roofing is one of the most reliable and cost effective roofing options on the roofing market today. Also known as Fibreglass Roofing, it creates a hard-wearing membrane that lasts for up to 30 years. The weatherproof result requires little to no maintenance, making it a perfect choice for any flat roof.
With GRP Roofing, you can enjoy choosing from a range of colours and finishes to best suit your project. There is no need to worry about different roof shapes either, as the material can easily moulded to perfectly fit the shape of any roof. This kind of flexibility is another reason why Fibreglass is becoming the number one choice for flat roofing
GRP Roofing can be used for both domestic and commercial properties, being suitable for the likes of sheds, garages, extensions and balconies as well as schools and hospitals
