GRP Fibreglass Roofing in Southampton
GRP fibreglass is the UK's most popular flat roofing system — and for good reason. We install seamless, incredibly durable fibreglass roofs across Southampton and Hampshire, for extensions, garages, and commercial buildings alike.
GRP Fibreglass Roofing Services in Southampton
Full fibreglass roofing solutions for domestic and commercial properties across Hampshire.
Full GRP Roof Installations
Complete fibreglass roofing systems from deck preparation through to topcoat — installed to BS 8000 standards.
Extension & New Build Roofing
GRP is the most popular choice for domestic extensions. We install seamless systems that look great and last decades.
Garage & Outbuilding Roofing
Flat roofs for garages, workshops, and outbuildings — including converting old felt roofs to modern GRP systems.
Fibreglass Overlays
Where the deck is sound, we can apply GRP over existing felt or EPDM to give a new waterproof surface.
GRP Repairs & Restoration
Cracks, delamination, and surface damage repaired using compatible GRP materials for a seamless finish.
Colour & Finish Options
GRP can be finished in any RAL colour — match your home or achieve a specific architectural aesthetic.
The Premium Flat Roofing Choice for Southampton
GRP (Glass Reinforced Plastic) fibreglass creates a seamless, waterproof shell that is stronger than steel by weight. It's our most-installed system in Southampton and across Hampshire — preferred for its appearance, durability, and low maintenance requirements.
- Seamless finish — no joins, no weak points
- 30–50 year lifespan when properly installed
- Incredibly strong and impact resistant
- Zero maintenance once installed
- Available in any RAL colour
- Ideal for walkable roof terraces
- Full written guarantee included
GRP Fibreglass Roofing Quote in Southampton
Free survey and no-obligation quote. See why GRP is the UK's most popular flat roofing system.