ASTM D1970/D1970M-2014 规范自粘聚合物改性沥青板材料用作陡峭的屋面衬底的冰坝保障
ASTM D1970/D1970M-2014 标准详情
- 标准号:ASTM D1970/D1970M-2014
- 中文标题:规范自粘聚合物改性沥青板材料用作陡峭的屋面衬底的冰坝保障
- 英文标题:Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
- 标准类别:美国材料与试验协会ASTM
- 发布日期:
内容简介
Scope 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.
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