Original flooring trade vintage catalog for REPUBLIC FIREPROOFING COMPANY, INC. Main office was located at 31 Union Square, New York City, NY. Manufacturers of Slagblok fireproof flooring, consisting of Slagblok units and steel bar reinforcement for stone concrete floors. Chart with bong test made by the Haller Testing Laboratories. Disbound from a large 1931 floor materials catalog, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro flooring construction library.