SIG Roofing is a specialist roofing supplier serving trade customers through a network of branches. Its range includes more than 40,000 products, with materials and equipment for pitched, flat, commercial, industrial and solar roofing. Customers can choose from clay, concrete and metal tiles, natural and manmade slate, roof membranes, insulation, and flat-roofing systems such as bitumen, EPDM, PVC, liquid roofing and GRP. The catalogue also covers roofing accessories, lead and lead alternatives, tools, fixings, timber, guttering, fascia and soffit, roof windows, and solar panels and related components, including batteries, inverters and cables.

SIG Roofing offers practical support alongside product supply. Services include a free estimating service to help plan projects, a sample and matching service, and reliable delivery options, including next-day delivery on many projects. Customers can open cash or credit accounts, order through the website, or find a local branch. The company also provides a branch delivery network, kit-building tools, a roofing solar training option, and account features for tracking orders and managing checkout.