NFPA 203 屋顶覆盖物和屋顶盖板建设导则
日期:2012-02-10 14:07
roof covering and to communicate to the interior of the building and need to be avoided.
1.1.3 Roof coverings over metal and some other decks also should be considered for their possible contribution to fire spread originating on the interior of the building. The heat of the interior fire rises to the ceiling and can cause the liberation of combustible gases and flaming droplets through the joints, overlaps, and distortions of the deck. This can contribute significantly to the fire by means of
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08/29 13:41