Original insulation trade vintage catalog for CELOTEX CORPORATION. Main office was located at 120 South La Salle Street, Chicago, IL. Manufacturers of structural Insulation boards and other building products including insulating sheathing, backer board, last, interior finishes, hardboards, rock wool products, gypsum sheathing, lath & plasters, asphalt roofing products, insulating sidings, Flexcell expansion joint filler, Perimeter insulation, Cemesto structural insulating panels. Long, lightweight, extraordinarily durable cane fibers, the stout heart of these boards tell the story. Double waterproofed sheathing, greater insulation, structural strength and faster application. Illustrated details and applications provided. Unbound from a large 1954 architectural catalog, this unique old sixteen page technical specifications brochure would exhibit beautifully matted and framed. A fantastic addition to your retro insulation collection. Pages are detached and may contain a small amount of residual glue on edge.