SIG engages in the distribution and merchant of specialist building products for the construction and related markets. The Company offers insulation and energy management products, such as structural and technical insulations, dry linings, construction accessories, fixings, air handling systems, and modular housing systems. SIG also provides exterior products, including tiles, slates, membranes, and battens for pitched roofs, single-ply flat roofing systems, industrial roofing and cladding systems, and room-in-roof panel systems.