Blake GRP Roofing – Fibreglass Flat Roof Specialists

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Highly trained professional and qualified installers.
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Installers of the finest flat roof systems
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Blake GRP fibreglass flat roofing systems are the perfect solution for your water proofing needs.
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Blake GRP Roofing LTD

Industry leading GRP roofing & specialist installers of high quality flat roof systems.

‘Based in Portsmouth, Hampshire. Blake install flat GRP roofing systems into residential and commercial properties throughout the south of England.’

Blake GRP Roofing are leading installers of the finest flat roof systems, installed to a high standard of workmanship.

Our highly skilled & fully qualified installation teams efficiently install your Blake GRP roof into your home, or commercial building at an affordable price.

As a Cure It® partner we use the latest and best products available. Choose from a variety of colours and finishes – all with a 20 year manufacturer’s product guarantee.

Contact us today for your free survey and quotation.

Blake Flat Roofing News

Flat Roofing – Usk South Wales

flat roofing usk south wales

The latest flat roof installation from Blake GRP… a New warm roof installation in Usk, South Wales. Blake visited Usk, in South Wales, to install a Topseal warm, insulated roof system. Working for a property developer client, Blake GRP spent several days installing the insulated flat roof, carrying out the installation work…

Flat Roof Company in Warsash

grp flat roofing warsash

Warsash Flat Roof Installations – Blake Premium UHD GRP roof system Blake GRP Ltd Install GRP Roofing into Warsash and the Surrounding Area Blake GRP recently worked on a flat roof installation in Warsash. It was a particularly involved GRP flat roof installation and we have documented the work below….

Petersfield Flat GRP Roofing

petersfield flat grp roofing

Blake GRP Ltd  – Petersfield flat GRP roofing services – high quality fibreglass roofing installed into the Petersfield area, by fully qualified installers. GRP/Fibreglass Flat Roofing installed into the Petersfield area Blake GRP installers are highly trained, professionally qualified and directly employed. As a company we take pride in our…

Flat Roofing Chichester – GRP Roofing

flat roofing chichester grp roofing company

GRP Roof Installation in Chichester, Hampshire Blake GRP Roofing supply residential and commercial flat roofing in Chichester, Hampshire and the South of England. Chichester Flat Roofing Services Blake install flat roof systems into commercial and residential properties throughout southern UK, including flat roofing installations in the Chichester area. We install…


Just some of the reasons why you should choose Blake for your flat roof

great value flat roofing


a Blake GRP roof will add value to your property
making it a wise investment.

award winning grp roofing



All GRP Roof products used by Blake are accredited, BBA approved and award winning.

versatile grp roofing



GRP is extremely versatile, strong, durable and 100% waterproof.

flat roofing with \ long guarantee - minimum 25 year roof guarantee



Minimum 25 year guarantee with options to increase to 30 or 40 years. Providing you with peace of mind.

fire resistant flat roofing



Architects and specifiers roof covering of choice. Specially formulated resins and topcoats provide fire certification.

Blake GRP flat roofing



Choose from virtually any colour to make your roof unique and stand out from the rest.


GRP Roofing FAQ’s

Why choose a BLAKE GRP ROOF?

All of our installers are highly trained, professional qualified and directly employed As a company we pride ourselves on our high quality finish providing customer satisfaction Each of our teams carries a minimum of a SSSTS certified supervisor Compliant to all Health and Safetly regulations inc all latest CDM regs All work is carried out to the highest standards and meet all BBA Approved standards and current building regulations.

GRP & fibreglass Roofing – what is the difference?

GRP (glass reinforced polyester) is the technical name for what is commonly known as ‘fibreglass’. Originally developed in 1938 for use in insulation, GRP is extremely durable and today is used in a variety of applications across a number of industries. Also known as FRP (fibre reinforced polymer) GRP is extremely versatile, strong and waterproof, making GRP the ideal solution for applications such as roofing systems. The ability to produce different finishes such as nonslip surfaces using GRP, in addition to being able to produce unlimited range of colour options for applications of almost any complexity, means that GRP is now a popular and viable alternative to traditional roofing systems used previously.

How long will GRP roof products last?

Many glass fibre laminates made during the early days of GRP production in the 1940s are still in use today. Extensive testing has demonstrated the typical life expectancy of a GRP roof product to be well in excess of 50 years. And, tests conducted to date have shown ‘no deterioration’ infrastructure or performance throughout the testing period. Additionally, because GRP products or use in extreme conditions such as underwater, when used in the manufacture of boats, a GRP product applied by a specialist company could be expected to last a lifetime.

What colour will my GRP roof be?

GRP products can be made in a number of different colour options (any colour in the BS4800 colour range.) For example, GRP roofing products and accessories can be coated on-site by specialists such as roofing contractors to the end client specification.

What are the main applications of GRP?

GRP can be used for a number of applications including roofing, automotive, construction, marine and industrial, including, boats, car bodies, HGV roofs, and shells, pipes, hygienic linings, tanks, building products, ponds, pools, architectural features, green roofs, flat roofs (commercial and domestic), vertical cladding, walkways, bay windows, wind turbine blades, plus a number of other specialist areas.

What are the main benefits of GRP roofing?

GRP has a number of benefits compared to traditional roofing products, especially for flat roofing. There are a number of health & safety benefits from installing a GRP flat roofing system because GRP products are cold laid and therefore not require any form of heat treatment, helping to protect installers and the general public. As fibreglass roofing systems are cold-applied they are not subject to the same prohibitive insurance premiums levied at installers using hot-works. Unlike traditional flat roofing systems, GRP flat roofs are extremely durable and completely waterproof, plus they can be finished in any wide range of colours and include options such as nonslip finishes. The entire area on a GRP roof is encapsulated into one single continuous GRP membrane and there are no seams joints or welds. It is also completely UV resistant. GRP flat roofing systems are also highly adaptable allowing conversion of the roof area to include features such as balconies or walkways within the roof area. Special features such as roof lights can also be included within a GRP roofing system. Fibreglass flat roof systems can also be used instead of pitched roofs or to make special features. The major benefit of GRP roofing comes from the fact that a high-quality fibreglass roofing system which is installed correctly should remain leak-free for life.

Is a GRP roof fire retardant?

Cure It manufactures specially formulated roofing resins and topcoats with fire certification with no restrictions on their use which is your guarantee for situations where fire safety is a necessity.

How does GRP look when finished?

The surface and colour of a GRP laminate can be modified to your requirements. A choice of smooth or textured finishes can be achieved in any colours from the BS 4800 range.

Is GRP suitable for adverse conditions?

GRP systems are ideally suited to adverse weather conditions and temperature extremes. As GRP is used to make boats and pond liners, it performs well when exposed to cold climates or heavy rain. GRP systems are capable of delivering maximum protection in excess of 50 years. Whilst GRP may not be suitable for applications above 100°C it will perform well within normal temperature extremes are found within global environmental conditions. GRP can withstand dilute acid conditions, it is unsuitable for prolonged immersion in alkaline solutions. A GRP roof is also fully bonded to the surface of the decking boards so it is very resistant to wind uplift.

How long does it take to install a GRP roof?

An average domestic garage roof of around 20m2 can be removed, re-decked, laminated and topcoated within a day by a team of two people.

How long does a GRP roof take to cure?

Depending on the ambient temperature a GRP roof should be cured to the touch within an hour.