Exceeds ASTM E 1745 Class A Requirements

Barrier-Bac VB, VBC and Seam Tape products. The quality of Barrier-Bac gives you lifetime durability.

Barrier-Bac products exceed all eight tests required for the ASTM E 1745 Class A specification. By using proprietary polyolefin resins, the life expectancy of Barrier-Bac is more than 100 years.