NFPA 203 屋顶覆盖物和屋顶盖板建设导则
日期:2012-02-10 14:07
NFPA 203 Guide on Roof Coverings and Roof Deck Constructions
NFPA 203 屋顶覆盖物和屋顶盖板建设导则
1.1 General.
1.1.1 The term roof covering refers to the material or the combination of materials applied on top of the roof deck for weatherproofing and can include insulation.
1.1.2 Since most roof coverings are combustible to some degree, they could be vulnerable to external fire exposure. Some roof coverings propagate a rapidly spreading fire over the surface or allow the fire to penetrate the
1/4 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
08/29 10:55