A comprehensive list of Wigan based roofing contractors and suppliers offering installation, repairs and maintenance services. Read unbiased customer reviews and recommendations of local companies. 
We are the UK's leading GRP roofing company. Topseal GRP fibreglass flat 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.
Pamela Osborne — We used a Topseal approved installer for our garage roof but they used a gutter that was not Topseal approved. At one point