Why Choose GRP Roofing for Your Flat Roof?

GRP Flat Roofing

Why Choose GRP Roofing for Your Flat Roof?

GRP Roofing provides a great finish and incredible durability if laid correctly.

GRP stands for ‘Glass Reinforced Plastic’ a material made from a polyester resin, which is reinforced by chopped strand mat glass fibres to form a GRP laminate. It is a very popular composite material to use due to the fact that not only is it very strong but also surprisingly light.

An appropriately laid fibreglass roof also known as GRP Roofing, can last for at least 30 years with no measurable deterioration. The roof must be laid onto a dry deck in dry conditions at a temperature not below 5°C. The resins and top coats should be suitable for use in GRP Roofing.

Installing GRP Roofing

As far as installation goes, the process begins with a new timber deck – either OSB3 or approved plywood. This acts like a substrate to which the base resin is applied. Whilst the resin is damp, chopped strand matting reinforcement is embedded to create an exceptional tough membrane.

As soon as this layer dries in around 30 – 60 minutes, a top coat pigmented to your choice of colour is applied to give the roof a polished, attractive finish and extra UV resistance and resilience.

Despite the fact that DIY options can be found on the market, it is wise to engage a professional roofing installer to accomplish the works. Look for tradesmen who are approved under a reputable manufacturer’s scheme.

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