
ASTM D1970/D1970M-21
- Comments Off on ASTM D1970/D1970M-21
- ASTM
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.
Product Details
- Published:
- 05/01/2021
- Number of Pages:
- 6
- File Size:
- 1 file , 140 KB
- Redline File Size:
- 2 files , 340 KB
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