Since 1992 Topseal has been offering a complete end-to-end solution for customers nationwide who want to replace their leaking flat roof with a stylish, high-performance GRP alternative that has been shown to last.

GRP has been established as the gold standard for containing or excluding water in a number of demanding applications such as boats, wind turbines and water tanks.This technology has been specially adapted in the UK by Topseal’s Research and Development specialists for use with roofing applications to offer the finest roofing system that money can buy.

The British Board of Agrément is the UK’s main independent body for verifying a manufacturer’s claims about their product. These statements are outlined within the Topseal BBA certificate which is available our website or from www.bbacerts.co.uk (certificate no: 93/2932). This is a guarantee that the stated performance of the product has been independently tested and verified.

Topseal is ISO 9001 certified, which ensures that the company operates to international quality standards. This means we are focused on delivering a consistent level of customer satisfaction through a reliable and standardised process.

Whether you want a clean, modern, designer-look or a roof which will blend in effortlessly with a listed building, Topseal provides the ideal solution.With a wide range of colours and finishes to choose from Topseal can produce a completely bespoke roof, just the way you want it.

Topseal has featured on the TV programme Grand Designs and is popular with home builders who want the roof to be as outstanding as the rest of the project.

Every Topseal installation is backed by our materials guarantee and covered by the installer’s guarantee on workmanship for the same period.Standard installations are covered for a period of 25 years. For installations where the DoubleTop system is used for roofing applications (not including heavy foot traffic applications), Topseal offers a class-leading 40 year guarantee.

Topseal offers a range of fantastic looking roofing solutions for common domestic applications such as extensions, garages, dormer roofs, parapet walls, gulleys, gutters, conservatories, orangeries and many more. The versatility of Topseal will ensure that it will fit in with almost any style from ultra-modern to heritage and listed buildings, providing long-lasting performance and style, even in the most extreme weather conditions and it comes in a choice of colours too.

Specify the standard system for a 25 year guarantee, Topseal HD for an extra durable system with a 30 year guarantee or Topseal DoubleTop with a 40 year guarantee.

From large-scale specialist projects to gulleys, walls, walkways and almost any feature or encasement, Topseal’s BBA approved system thrives on encapsulating or incorporating complex technical detail.Only fitted by Topseal’s nationwide trained and approved installers, the system provides an attractive and effective long-term solution with a class-leading guarantee of up to 40 years to fit the most demanding specifications.

Call us today with a tricky specification and the chances are we can solve it.

Topseal is used extensively as a lead/copper replacement or alternative for roofs, gutter linings and complex architectural detail work. For heritage and listed buildings Topseal can also be used to simulate rolled joints without seams.

Colour matching can be achieved by using a topcoat with a lead grey or copper green finish providing like-for-like appearance and long-lasting performance with a guarantee of up to 40 years. Topseal is also free from toxic water run-off associated with lead and copper and deters criminal damage due to its high durability and low effective scrap value.