Illustrative flat roofing in London

Roofing systems

GRP fibreglass roofing

A resin-based, glass-reinforced waterproofing system applied to a suitable, prepared substrate with compatible trims.

System-specific detailing

Planned long-term care

Compatible roof build-ups

Installation to specification

Why consider GRP?

  • Resin and glass reinforcement form the waterproofing laminate
  • A compatible deck and edge trims are essential
  • Substrate moisture and site conditions matter during application
  • Roof movement and junctions need system-specific detailing
  • Warm roof designs require an approved supporting build-up

GRP is a different technology from sheet single-ply. Resin, reinforcement, topcoat, trims, deck and application conditions must follow the selected manufacturer’s instructions.

Discuss your specification
GRP fibreglass roofing illustration

Technical information

Material / build-up

Glass-reinforced polyester system

Seams & detailing

Reinforced resin laminate

Attachment

Applied to a manufacturer-approved substrate

Project checks

Fire performance, wind uplift, drainage, moisture and maintenance requirements.

Thicknesses, colours, service life and warranty terms are confirmed against the selected product and complete roof specification.

Technical guidance & product information

Selection is based on the actual roof and manufacturer’s requirements. These sources explain the technologies; they do not indicate a partnership or installer accreditation.

Let’s plan your flat roof.

Send your drawings, site postcode and a short project brief.

Request a quotation