Armstrong World Industries expanded with a low-end bedroom furniture line. They bought Gilliam Furniture in 1986, bought and repurposed the former Stehle polyester factory in Carysbrook, Virginia later that year, bought Westchester Group in 1987, and Gordon's in 1988; as well as making a major expansion to Thomasville that year. In 1995, Thomasville Furniture was sold to Interco (which became Furniture Brands International), a leading furniture manufacturer, with such brands as Broyhill and Lane. Armstrong Holdings Inc. used to produce asbestos, either of two incombustible, chemical-resistant, fibrous mineral forms of impure magnesium silicate, used for fireproofing, electrical insulation, building materials, brake linings, and
Cavity wall insulation Cavity wall insulation Cavity wall insulation is used to reduce heat loss through a cavity wall by filling the air space with material that inhibits heat transfer. This immobilises the air within the cavity (air is still the actual insulator), preventing convection, and can substantially reduce space heating costs. During construction of new buildings, cavities are often filled with glass fiber wool or rock wool panels placed between the two leaves (sides) of the wall, but many other building insulation materials offer various advantages and many others are also widely used. For existing buildings that were not built with insulated