Original insulation trade vintage catalog for JOHNS-MANVILLE, main office was located in New York City, NY. Manufacturers of Insulation for Floor and Roofing, JM Asbestos and Asphalt Shingles. Brake Blocks, Linings and Clutch Facings, Electric Materials, Packings, Refractory Cements, Transite and Waterproofing. Unbound from a large 1931 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. Page is detached and may contain a small amount of residual glue. Slight damp stain on outer edge.