Original metal trade vintage catalog for ALCOA BUILDING PRODUCTS, INC. Manufacturers of Aluminum columns, designed for both new construction or remodeling. Durable, factory finished, easy to install. Column Assembly shown. Charts of load bearing weights, diameter and lengths, column, cap and base specifications supplied. Unbound from a large 1982 engineering catalog, this unique old four page technical specifications brochure would display beautifully matted and framed. A fantastic addition to your retro metal library. Pages are detached and may contain a small amount of residual glue on edge.