1.1 This specification covers vapor retarders for thermal insulation, specifically, flexible materials with permeance of 0.15 perm (8.63 ng·Pa-1 · s-1 · m-2) or lower and surface burning characteristics of 25 flame spread/50 smoke or lower. These materials are intended for use at surface temperatures of −20 to 150°F (−29 to 66°C). It does not cover mastics or barrier coatings applied in liquid form, nor materials intended for use as weather barriers.
Product Details
- Published:
- 03/01/2023
- Number of Pages:
- 4
- File Size:
- 1 file , 81 KB
- Redline File Size:
- 2 files , 150 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
