Original 1941 industrial trade vintage catalog for the H H ROBERTSON COMPANY.  Main office was located in Pittsburgh, PA, and the plant was located in Ambridge, PA. 

Manufacturers of Robertson Protective Metal for Industrial Buildings.

The H. H. Robertson Company of Pittsburgh is the originator and manufacturer of asbestos protected metal. As Robertson Protective Metal (RPM), this material, distributed through the world-wide Robertson organization, has found international acceptance. In addition to RPM, the Company has also developed and manufacturers many other industrial building products which offer the designer, engineer and contractor unusual and exclusive features. 

Robertson Protective Metal for Roofs and Sidewalls, as the name suggests, Robertson's Protective Metal (RPM) is truly a protective metal consisting of a steel base sheet protected on both sides by a coating of asphaltic compound, a coating of asphalt-impregnated asbestos felt and a factory applied sealing coat. In its present form, RPM has proven record of 24 years of service life. It is now in its 36th year of service to industry and has been installed in hundreds of countries and colonial possessions.

Products include Roofing Sheets, Siding Sheets, Mansard Sheets and V-Beam Sheets, all are fully featured.

Has numerous product images, illustrations, description, application and specifications provide product details.

Unbound from a large rare 1941 Industrial Catalog, this unique old sixteen-page technical brochure would display beautifully matted and framed. Nice cover graphics. A fabulous addition to your retro industry library.