VB-350 Vapor Barrier

Barrier-Bac VB-350 vapor barrier film

Barrier-Bac VB-350 vapor barrier film

16 mil high performance under slab vapor barrier developed for the construction industry to retard moisture migration through concrete slab. It may also be used to control radon, methane, sulphates and many other soil contaminants. VB-350 exceeds Class A, B, C of ASTM E1745 specifications.


It is used in projects of high requirements in water vapor permeance, tensile strength and puncture resistance.


VB-350 is available in standard roll, green color, and size 12.75 ft × 150 ft. However, other colors and sizes are available upon request.