roof tiling

Welcome To S.C. Roofing & Cladding

Fibreglass Roofing (GRP)

Fibre Glass Roofing (GRP)

Our Services

  • Full Fibreglass Membrane (GRP) System Installation.
  • Repairs and Maintenance.
  • Professional Installation.
  • Free Impartial and Professional advice.
  • All Waste materials removed from site.
  • All Work and Materials Fully Guaranteed.
  • North Wales, Flintshire, Deeside, Chester & Wirral Areas.

What is Glass Fibre Roofing (GRP)?

Glass Reinforced Plastic (GRP) is an extremely tough roofing membrane, highly resistant to UV and all forms of weathering. A properly laid GRP roof will last for at least 30 years with no discernable deterioration. It's main advantage, both practically and aesthetically, is that a GRP roof is seamless, joint less and sleek in appearance and can be top coated in most colours.

The GRP must be laid onto a dry substrate in dry conditions at temperatures not below 5°C or above 35°C. The roofing is laid in the following sequence:

  • Edge Trims
  • Board Joint Reinforcement (where necessary)
  • Glass Fibre / Resin application
  • Top Coat application.

The glass mesh is precut to a desired length (Shorter lengths in warmer conditions). A prescribed area (run) is covered with the resin / catalyst mix (wetted) and the glass mat (chopped strand mat CSM 450gm-600gm) is rolled out. The remainder of the resin is added to the glass and given a few minutes to wet. The laminate is then consolidated with a roller ensuring all the glass matting is covered (wet), free of any irregularities and air bubbles.

This process is continued until the roof has been completely covered and the laminate has been well established.

The top coat should be applied as soon as possible, ideally when the fibres are immovable within the resin (half cured). Enough resin / catalyst is mixed to cover the entire roof and is usually applied with a lambs wool roller to no more than 1/2mm in thickness. The completed roof can take a week to fully cure.

If you have any questions please get in touch.