The UK’s leading fibreglass GRP flat roofing company. Topseal GRP fibreglass roofing systems have been installed on millions of square metres of roofs over the last 20 years all over the UK.
A Topseal fibreglass roof represents the pinnacle of GRP roofing technology, guaranteed to last a generation, designed to last a life time.
With full BBA certification and up to 40 years materials and workmanship guarantee (with Topseal DoubleTop), Topseal is the ultimate, stylish fibreglass roofing system. The Topseal roofing system is installed nationwide and has a proven pedigree as a waterproofing material with an expected lifespan of 100 plus years.
A Topseal roof consists of specially formulated Topseal roofing resin and topcoat cold-applied on site with our heavyweight GRP edge trims to create a bespoke, seamless roof to suit the application.