Provide PDF Format
ASTM D1970/D1970M-13a
- Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
- standard by ASTM International, 12/15/2013
- Publisher: ASTM
$26.00$52.80
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.