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678 Washington DC, USA

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GRP Flat Roofing

Our GRP flat roofing systems replace old, deteriorating felt with a permanent, watertight solution. Designed for garages, extensions, and commercial properties across London.

When You Need GRP Flat Roofing

Water is staining your interior ceilings directly beneath your flat roof. Your felt roof is bubbling, peeling, or shedding chippings into your gutters. You are converting a flat-roofed garage into a dry living space or office. You want a permanent flat roofing upgrade that adds value to your property.

How We Do It

We carry out a complete survey of your flat roof structure and insulation needs. We strip the roof back to the joists if rot or damp damage is found. We lay new timber decking and apply the multi-layer GRP flat roofing system. We complete a rigorous final check before issuing your 20-year guarantee certificate.

What to Expect

Most flat roof replacements take between one and three days depending on the total square footage.

GRP Flat Roofing FAQs

Generally, like-for-like flat roof replacements do not require planning permission, though building regulations apply for insulation updates.
Yes. We routinely install rigid PIR insulation boards to meet current thermal regulations and keep your rooms warm.
Rainwater naturally washes most debris away. An occasional sweep or hose down is all that is needed.
Yes, we handle commercial flat roofs of all sizes across London and surrounding areas.