NFPA 221 防火墙和防火隔墙
日期:2012-02-10 14:20
ding occupants, limit property damage, and help fire fighters do their jobs safely and effectively with the 2012 NFPA 221 Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls.
This important Standard presents comprehensive requirements for the design and construction of all types of rated wall assemblies, including high challenge fire walls, fire walls, and fire barrier walls, along with protection of openings and penetrations. NFPA 221 identifies and provides a focus to di
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