DETROIT STEEL PRODUCTS COMPANY 1931 Holorib roof decks vintage catalog

Original old architectural vintage catalog DETROIT STEEL PRODUCTS, Fenestra Holorib roof decks. Reinforced steel roof plates which form the rigid and permanent base of a completely insulated and waterproofed unit. The plates are fabricated from copper-bearing or galvanized steel sheets reinforced by self contained triangular ribs rolled into the sheet longitudinally, which are anchored or welded to the purlins by specially formed anchor clips. The sheets dovetail and interlock securely together both on sides and ends, forming a deck through which there is no asphalt drippage.The roofs are adapted to all types of commercial and industrial buildings, including airplane hangars, theaters, and auditoriums. Specifications,erection and engineering service, data, and 8 plates are shown. The main office was located at 2250 E. Grand Boulevard, Detroit, MI.
This 1931 unique 14 page technical catalog would be a marvelous addition to your engineering library. Pages are loose and contain small amount of residual glue on edge.