Original insulation trade vintage catalog for INSULITE CORPORATION. Main office was located in Minneapolis, MN. Manufacturers of Structural Insulation Board. The company, physical characteristics, Products and Specifications are provided. Bildrite Sheathing, Lok-Joint LathTile, Staining, painting, papering and more. Unbound from a large 1938 architectural catalog, this unique old nineteen page technical specifications brochure would exhibit beautifully matted and framed. Nice cover graphics. A fantastic addition to your retro insulation collection. Pages are detached and may contain a small amount of residual glue on edge.