- TriRoof Roofing Systems
PREMIUM GRP ROOFING SYSTEMS
for the flat roofing industry in the uk & ireland
TRIROOF Fiberglass Roofing
TriRoof is the premium range of Fibreglass / GRP Roofing materials for the flat roofing industry in the UK and Ireland. We have sourced the best composite roofing materials for our TriRoof brand which can be used for any flat roofing structure. Once applied, these roofing materials will be easy to clean and maintain with very little maintenance required.
All components are available to order individually or as part of all-in-one complete roofing kits.
✓ Full range of GRP roofing materials
✓ Easy to clean
✓ Easy to maintain
✓ 25 years Guarantee*
✓ Fast cure time
✓ Long term protection
✓ Highly Durable
✓ CPD Accredited Training Course
✓ Full training in 1 day
✓ Comprehensive technical support
✓ Range of available training options
ROOFING SYSTEMS RANGE
We offer a variety of fibreglass roofing products and ancillaries suitable for domestic and commercial roofing applications, including roofing systems, roof trims, drainage outlets, solvent cleaning solutions, ancillaries and tools.
GRP Roofing System
TriRoof Complete GRP Roofing System is our original range. This Polyester system is extraordinarily strong and will give your flat roof longevity and durability. This range comes with a 25-year materials guarantee which any approved TriRoof installer can offer.
HPX Roofing Overlay System
TriRoof HPX is an advanced solution in the world of liquid roof systems and flat roofing products. Designed for both new and existing flat roof systems, it provides a versatile and durable option for flat roof overlay and flat roof repair applications.
HPX Roofing SYSTEM CASE STUDY
Restoration of WWII-Era Commercial Flat Roof at IWM Duxford
Tricel & ECMS Ltd. restored a WWII-era commercial flat roof at IWM Duxford using TriRoof HPX System, delivered ahead of schedule with a 20-year guarantee.
Acrylic Roof Coating Overlay
TriRoof Acrylic Roof Coating Overlay is a one component polymeric composition. This repair system is ready for use and cold applied on leaking roofs, gutters and similar structures.
MultiFlex GRP Roofing System
Where time and criticality are of great importance, the TriRoof MultiFlex Modified Polyester Overlay system is the range for the job. This system will cover many existing substrates such as Felt and Asphalt which can’t be done with a traditional fibreglass system.
PU waterproofing System
TriRoof Polyurethane Roofing System is a one component; moisture triggered elastomeric urethane coating, recognized for its excellent strength and long lasting durability. Designed for use in applications where a seamless waterproof system is required on a new or existing roof with no need to strip back.

Fibreglass vs EPDM for Flat Roofs
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Flat Roof Systems Compared
Explore the key differences between popular flat roofing options including Concrete, Asphalt, Felt, EPDM, and Fibreglass/GRP. Learn about the materials, application methods, and benefits of each system to help you choose the best solution for your project.
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Installing a Fibreglass Roof
GRP, or Glass Reinforced Plastic, is a strong, lightweight material known for its durability and resistance to corrosion—ideal for roofing systems. This guide explores the benefits of GRP, its common uses, and how to correctly install a long-lasting fibreglass roof

From History to High Performance: How ECMS and Tricel Revived a WWII-Era Commercial Flat Roof at IWM Duxford
Tricel and ECMS restored a WWII-era commercial flat roof at IWM Duxford using TriRoof HPX System, delivered ahead of schedule with a 20-year guarantee.