Original insulation trade vintage catalog for UNITED STATES GYPSUM COMPANY, was located in Chicago, IL. Manufacturers of Thermal Insulation. Red Book. USG Building Materials. Weatherwood Insulation, Specifications provided. Unbound from a large 1938 architectural catalog, this unique old fifteen page technical specifications brochure would exhibit beautifully matted and framed. Nice cover graphics. A fantastic addition to your retro insulation collection. Pages are detached and may contain a small amount of residual glue on edge.