The Confederation of Roofing Contractors ( CORC) is the premier Roofing Trades Association in the UK. With over 700 members nationwide our members are considered the best in the industry. Members of CORC are able to offer their customers the benefit of a 10 or 20 year fully insured back up guarantee, (IBG) At present the CORC is the only roofing trades association that can offer a 20 year IBG, and at a very affordable cost. IBG’s can be used for any home improvement including Roofs-Kitchens-Bathrooms-Extensions, Brickwork etc. The CORC can also offer Manufacturers and Suppliers the benefit of a long term product guarantee and Latent defect guarantees for house builders.