Fire Ratings of Archaic Materials

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The US Department of Housing and Urban Development – Office of Policy Development and research (http://www.huduser.org) has issued in 2007 the second edition of the Guidelines on Fire Rating of Archaic Materials, produced by the National Institute of Building Sciences.

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 vari ety 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.

Now, for the Partnership for Advancing Technology in Housing (PATH) program, the Guideline on Fire Ratings of Archaic Materials and Assemblieshas been updated to reflect changes in assessment techniques and to provide additional information on doors. HUD is pleased to reissue this important and time-tested publication, knowing that it will remain a valuable resource for preserving and reusing our nation’s housing and building stock.

The publication is downloadble also from this website: fire_ratings

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