ASTM D1970/D1970M-2021Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection

标准类别：[ASTM] 美国材料与试验协会标准
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标准编号：ASTM D1970/D1970M-2021
标准状态：
更新时间：2022-03-31
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ASTM D1970/D1970M-2021Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection

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