SIG Insulation | UK's leading specialist distributor of insulation, dry lining and related products to the construction industr SIG Insulation, home, insulation, distribution, distributor, products, lofts, walls, flooring, construction, heating, ventilating, speedline, drylining, dry lining, materials, thermal, acoustic, fire, protection, nationwide, branches, industry, commercial, industrial, private, regulations, manufacture We are the UK's market leading specialist distributor of insulation, dry lining and related products to the construction industry with a nationwide branch network