ASTM D1970/D1970M-2011 冰坝防护用途用于陡屋顶屋面衬垫材料的自粘附式聚合改良沥青薄片材料标准规格
ASTM D1970/D1970M-2011 标准详情
- 标准号:ASTM D1970/D1970M-2011
- 中文标题:冰坝防护用途用于陡屋顶屋面衬垫材料的自粘附式聚合改良沥青薄片材料标准规格
- 英文标题:standard specification for self-adhering polymer modified bituminous sheet materials used as steep roofing underlayment for ice dam protection1
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2011-06-15
内容简介
1.1 This specification covers polymer modified bituminous sheet materials intended for use as underlayment on roof eaves, or valleys, or both, to prevent leakage of shingle, tile, or metal roofs from water back-up due to ice dams. 1.2 These underlaym
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