SIG plc supplies specialist insulation and sustainable construction products and solutions across the United Kingdom, Ireland, France, Germany, Poland, and Benelux. Its range includes insulation and interiors products such as structural and technical insulation, construction accessories and fixings, cladding and façade systems, dry lining, ceiling tiles and grids, partition walls and door sets, floor coverings, tools and fixings, ventilation, access equipment, and safety products. It also provides roofing and exterior products, including tiles, slates, membranes, battens for pitched roofs, single-ply flat roof systems, industrial roofing products, cladding systems, room-in-roof panel systems, and photovoltaic panels, along with industrial painting, coating, and repair services. The company serves developers, specialist contractors, specialist installers, and independent merchants. Formerly known as Sheffield Insulations Limited, SIG plc was founded in 1957 and is based in Sheffield, the United Kingdom.