Specialists in glass fibre flat roofing

Fibreglass GRP Flat Roofing Specialists

Strandek® Glass Fibre Flat Roofing

Our glass fibre flat roofs are proven and durable over many decades. They're designed to provide a seamless and robust flat roofing barrier.

Ideal for protecting all flat roofs, from domestic garages to factories, leisure centres and residential care homes, fibreglass is a proven,  flat roofing system.

Our GRP roofs have been installed by flat roofers around the UK for over 40 years - and they come with a 20-year Strandek® guarantee and a 10-year insurance-backed guarantee. 

Call us today on 01633 250652 to find out more.

 Contact us

glass fibre flat roofing

Recommended for

Choose a fibreglass GRP flat roof for new builds, existing roofs and on roofing repairs & refurbishments. Ideal for installations where a naked flame is undesirable and ingredients must be free from heavy metals.

Key features

  • 30+ year life expectancy: strong, durable, chemical-resistant
  • Rapid installation
  • Guarantees: 20-year Strandek® guarantee, 10-year IWA guarantee
  • High-performance glass fibre flat roofing technology
  • Outstanding insulating properties
  • Designed to withstand footfall and equipment placement
  • Impact- and tear-resistant

OUR accreditations

strandek flat roofing accreditations


  • All CE-marked materials
  • Glass fibre coating
  • Kingspan Thermaroof® insulation (Warm roof) or fibreglass quilt insulation (Cold roof)
  • OSB3 decking (FSC-certified)
  • Full RAL & BS colour range
  • Optional flame-retardant resin (BS Class 1 and 0 476 and 476)
  • Optional UV-resistant resin
  • Optional Strandek® Anti-Slip coating
  • Free of heavy metals


Our Fibreglass GRP roof is compatible with Sky Garden's sedum green roofs.

Contact us

Case Studies

Why Choose Strandek®?

Since 1976, Strandek has provided high-quality glass fibre and other resin-based coatings to a range of satisfied customers in industry, government, construction and residential sectors alike. 


Our team have extensive experience and we pride ourselves on reliable workmanship and competitive pricing.

  • Unrivalled service
  • Exceptional quality 
  • Unmatched speed

Health & Safety

A strong health & safety ethic is the core of our business. We strive to maintain this through:

  • Best practices
  • Transparency & accountability
  • Rigorous training