Skip to content

Sentinel Roofing Topcoat

Stock sizes; 20kg | 10kg
Sentinel Premium Topcoat is a specially engineered polymeric surface coating designed to withstand all the elements that a roof may encounter. Sentinel Topcoat is pigmented dark grey. For estimating allow 1kg of Topcoat per 2 square metres. Other colours are available to special order.
  • Extensions,
  • Garages,
  • Dormers,
  • Porches
  • Balconies
  • Bay Windows
  • Summer Houses
  • Stairs
  • Green Roofs
  • Non Slip Walkways
  • Architechtural Projects
  • Bespoke Detail
  • Simulated Lead Finishing

Sentinel topcoat features 

GRP Materials Calculator

Please note Hardener Quantities will vary depending on weather conditions. Please see our “Estimating quantities guide” below. 


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.