SIG Plc supplies specialist products to the construction and related markets. The company's main products include Insulation and Energy Management, Exteriors and Interiors. The Insulation products have three main applications: Thermal Management, Fire Protection and Sound Control and Energy Management provide whole-house energy efficiency solutions. The Exteriors division supplies products for pitched, flat, industrial and agricultural applications sourced from the leading manufacturers of roofing materials. The Interiors products sold by the Group include ceilings, partitioning, dry lining, floor coverings, glass and specialist door systems. SIG was founded in 1957 and is headquartered in Sheffield, the United Kingdom.