Original insulation trade vintage catalog for FIR-TEX INSULATING BOARD COMPANY, was located in Portland, OR. Manufacturers of Super Insulating, Board Insulation. Acoustical products, sheathing, plaster base, tile board, refrigeration and cold storage, flat decked roofs and pitched roofs of frame buildings. Specifications and tests provided. Unbound from a large 1938 architectural catalog, this unique old twelve 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.