Keystone Roofing was established in Northampton in 2002 to provide local roofing contractors with a highly professional and truly independent merchant operation. Operating from purpose built premises in Northampton, and our new operation in Luton, we are a stockist for all the major roofing brands including Larfarge, Marley and Sandtoft. We provide a comprehensive range of competitively priced flat and pitch roofing materials, Velux roof lights and Freefoam UPVC roofline products. For more information visit the product and services area of this website.