G.R.P. Fibreglass Roofing
Fibreglass flat roofing built to last
Monarch Roofing offers professional installation of G.R.P. (Glass Reinforced Plastic) fibreglass roofing, a modern and incredibly durable flat roof system ideal for domestic and commercial properties alike.
G.R.P. roofs are known for their seamless finish, long lifespan, and low maintenance. Whether you’re replacing a tired old flat roof or building a new extension, fibreglass provides a sleek, watertight solution with no joins or seams for water to penetrate.
With over 28 years of roofing expertise, our team ensures each installation is done with precision and attention to detail. We prepare the surface thoroughly and apply high-performance resin systems to give you a flawless finish backed by our NFRC CPS approval and a 10-year insurance-backed guarantee through QANW.
Why Choose G.R.P. Fibreglass Roofing?
- Seamless and joint-free for superior waterproofing
- Extremely durable and weather-resistant
- Modern, tidy appearance – ideal for visible flat roofs
- Suitable for extensions, balconies, garages & dormers
- Resistant to moss, fire, and UV rays
Perfect For
- House extensions
- Dormer roofs
- Balconies and terraces
- Garages and porches
- Commercial units and flat roof sections




A well-installed G.R.P. roof can last 30+ years with little to no maintenance, making it a long-term investment for your property.
Yes – fibreglass roofs are ideal for balconies or terraces. We can even apply a non-slip finish if the area will be walked on regularly.
Not when properly installed. We use premium resins and professional application techniques to prevent issues like cracking or delamination.
Absolutely. It’s ideal for large flat surfaces where durability and waterproofing are essential. We’ll assess your site and advise on the best solution.
Yes – all Monarch Roofing fibreglass installations come with a 10-year QANW insurance-backed guarantee for complete peace of mind.
Speak to Our Fibreglass Roofing Experts
Call 01257 269982 or 07563 534029 to book a free site survey and quote. Our friendly team will explain the process, materials, and benefits to help you choose the right flat roofing solution.

