Keystone Roofing and its staff is committed to offering our customers the very highest quality of service and constantly strive to exceed customers expectations Keystone Roofing Supplies Limited was formed by two brothers Glyn and Steve Simpson who had moved to Northampton in 1976 We provide a comprehensive range of competitively priced flat and pitch roofing materials, Velux roof lights and Freefoam UPVC roofline products The success to date has been achieved in the main by satisfied customers, repeat business, recognition of our expertise and total focus on customer care