Original roofing trade vintage catalog for ODL, INC. Main office was located at 215 East Roosevelt Avenue, Zeeland, MI. Manufacturers of Skylights. Products include aluminum curb, circular skylights, self-flashing, insulate glass. Standard sizes given, specifications provided. Unbound from a large 1982 architectural catalog, this unique old four page technical specifications brochure would display beautifully matted and framed. A marvelous addition to your retro roofing construction library. Pages are detached and contain a small amount of residual glue on edge.