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Stock sizes; 20kg | 10kg

Polyester resin for use in flat roofing applications.

  • Aqua GRP Resin when used with Aqua Topcoat provides a leak free cost effective flat roofing system.
  • The systm is cold applied and does not require any use of flame torches making installation safer.
  • When competently installed the Aqua GRP range creates a seamless, frost proof and strong flat roof of any shape and size.
  • Aqua Resin and Topcoat should be mixed with a quality hardener and is compatible with all good quality components such as GRP trims, trim adhesives and chopped strand matting. 
  • Economical alternative to Sentinel 

GRP Materials Calculator

Please note Hardener Quantities will vary depending on weather conditions. 


Sentinel GRP Installation Guide
Our Sentinel GRP installation guide is a comprehensive step by step booklet including our full range of trims and an easy to follow estimating materials guide.