The fireproofing system with thirty years of proof
Subtitle: applied throughout the United States and Canada
By: by the Keystone Gypsum Fireproofing Corporation
Publisher: Keystone Gypsum Fireproofing Corp.
Published: 1924
Place of publication: New York City
Language: eng
Number of pages: 52
Subjects: Catalogs; Fireproofing; Fireproof Building; Keystone Fireproofing Company
Other titles: Metropolitan system floors and roofs.
Notes: "Metropolitan system floors and roofs."

Includes specifications and indexes.

Buildings using the system are illustrated and identified.