- Author
- National Board of Fire Underwriters
- Title
- Fire Resistance Ratings of Beam, Girder and Truss Protections, Ceiling Constructions, Column Protections, Floor and Ceiling Constructions, Roof Construictions, Walls and Partitions.
- Coporate
- National Board of Fire Underwriters, San Francisco, CA
- Keywords
- fire resistance rating | construction
- Identifiers
- truss