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Topseal (Flat Roof)

Right Roof Solutions are registered approved installers of the Topseal GRP system. We are able to provide you with the highest quality of GRP roofing systems on the market. Our GRP teams are highly trained with over 18 years of experience and approved TOPSEAL installers to guarantee great workmanship and customer care from start to finish.

The Topseal system is British board of agrement (BBA) certified, which means all our roofs will receive a Manufacturer's warranty for up to 30 years. Our teams work on both domestic and commercial properties in the UK.

The versatility of this system not only for flat roofing but has been adapted for the use in bathroom / wet room linings, ponds, water features and swimming pools.

We are able to provide you with the highest quality of fibreglass roofing system (TOPSEAL) throughout London and surrounding areas. For more information on this service, and to arrange an appointment to discuss the possibility of using fibreglass for your specific needs, please contact us.

Why choose GRP?

GRP is chosen in many industries for its strength, appearance, weather resistance, longevity and cost and these characteristics make it the optimum choice for flat roofing. TOPSEAL's Fibreglass roofing system is very adaptable and can be used on patios, balconies, walkways, roof gardens as well as complex roof shapes. It can be applied up to skylights, pipes, vents, stairs and walls.

TOPSEAL flat roofing system is highly recognised/leading product used for Architects and the building industry in and around London.


The system can be used on a variety of domestic and commercial roofing projects including new builds, garage roof and refurbishment projects. Topseal is also suitable to be for cold and warm roofs. The versatility of Topseal will ensure that it will fit in with almost any style from ultra-modern to the more traditional listed buildings. Topseal system will come with industry leading guarantees.

  • Standard Topseal system for a 25 year guarantee
  • Topseal HD for an extra durable system with a 30 year guarantee
  • Topseal DoubleTop for a flat roofing system with extreme durability and a 40 year guarantee.
  • Topseal Green Roof class-leading 25 year watertight guarantee.