Original wall trade vintage catalog for W. R. BONSAL COMPANY. Main office was located in Charlotte, NC. Manufacturers of Surewall bonding cement for walls, high stress grade, finish coat, bonding adhesive and insulation system. Topics discussed include product presentation, technical support, environmental properties listed, limitations and design criteria. Numerous illustrations and architect specs are provided. Unbound from a large 1982 architectural catalog, this unique old four page technical brochure would display wonderful matted and framed. Nice cover graphics. A terrific addition to your retro wall construction library. Pages are detached and may contain a small amount of residual glue on edge.