Original insulation trade vintage catalog for UNIVERSAL INSULATION COMPANY, executive office was located in Chicago, IL. Manufacturers of Unifil Vermiculite Products, Miners of Asbestos and Vermiculite. Granular fill, Unicon Lightweight Insulating Concrete, PC-Unifil Plaster, GC-Unifil Plaster and Asbestos Cement. Unbound from a large 1938 architectural catalog, this unique old four page technical brochure would exhibit beautifully matted and framed. A fantastic addition to your retro insulation collection. Page is detached and may contain a small amount of residual glue on edge.