Flat roofing · Flat roof system

A seamless, hard-wearing flat roof that can be walked on.

Illustration of GRP fibreglass

About this roof covering

Glass-reinforced plastic laid as one continuous layer and finished with a tough topcoat. Seamless, rigid and neat, with moulded trims at the edges. Great for roofs that get foot traffic, like balconies.

Typical minimum pitch
Flat roofs (laid to a fall)
Typical lifespan
25–30+ years
Weight
Very light
Relative cost
££ Mid-range
Style
Modern · Flat roof system

Colours

  • Grey
  • Black
  • Green

Good for

  • Extensions, dormers and garages
  • Balconies and walkable roofs

Pros

  • Seamless, so no joints to leak
  • Hard-wearing and walkable
  • Neat trims and finish

Things to consider

  • Needs dry weather to lay
  • Can crack if the deck moves

Where you'll see it: Extensions, garages, dormers and bay roofs.

Figures are typical guides and vary by manufacturer and roof. We’ll confirm what suits your roof at a free inspection. The picture is an illustration.

Compare

See all 40 in the roof tile guide

Book a free inspection, or send a few photos for a free online estimate. No deposit, and you only pay when the job is done.

  • No depositPay on completion, once you’re happy
  • Free inspectionWith a fixed, written quote
  • 24/7 call-outsFor leaks and storm damage
Call 24/70330 633 5952 Free quote