Guideline on Fire Ratings of Archaic Materials and Assemblies (February 2000, 184 p.)
Older buildings often contain materials that are fire safe but not listed in current fire ratings sources. This lack of documentation hinders the modernization and reuse of our nation’s building stock.
The Guideline on Fire Ratings of Archaic Materials and Assemblies is a compilation of fire ratings from earlier sources for a wide variety of materials and assemblies found in buildings from the nineteenth to the mid-twentieth centuries. This guideline also provides methods for calculating the fire resistance of general classes of archaic materials and assemblies for which no documentation can be found.
First published in 1980, this guideline has found widespread use and acceptance among architects, engineers, preservationists, and code officials. It has been incorporated into numerous state and local building codes, three model code publications, and two NFPA standards.
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