Original 1977 insulation trade vintage catalog for GREFCO, INC. (Subsidiary of General Refractories Company). (Building Products Division). Main office and plant were located at 3450 Wilshire Blvd, Los Angeles, CA.

Manufacturers of Permalite Roof Insulation.

Products include Permalite Sealskin, Permalite PK and Permalite Urethane, all are fully featured.

Has product images, illustrations, description, applications and specifications to provide product details.

Unbound from a large rare 1977 Architectural Catalog File compilation, this unique old twelve-page technical brochure would display beautifully matted and framed. Nice cover graphics. A fabulous addition to your retro roof insulation library.