Vapor Barriers Archives

Vapor Barriers

Con-Dri’s underslab vapor barriers are the perfect option solution to keep moisture from penetrating through your concrete slab for any construction project. Con-Dri’s vapor barrier options meet & exceed the industry standards of ASTM E1745 Class A.

At Con-Dri, you can find a wide variety of vapor barriers that are designed to achieve specific objectives. Browse through our collection and get the best underslab vapor barrier as per your requirements.

Vapor Block Plus

Written by con_dri_admin on October 24, 2025.

VaporBlock Plus 20 series is specifically designed to fulfill heavy-duty applications. The vapor barrier block contains seven-layered barriers that are designed from the best-in-class polyethylene and Ethylene Vinyl Alcohol resins to offer excellent strength and sturdiness. Apart from this, the VaporBlock Plus 20 also offers exceptional moisture and gas resistance, preventing vapors and other soil gases to seep in and damage the surface.

Vapor Block

Written by con_dri_admin on September 25, 2025.

VAPORBLOCK® Series consist of high-performance underslab vapor barriers designed to retard moisture migration through concrete slabs. This product is made from state-of-the-art polyethylene resins that provide superior physical and performance properties that far exceed ASTM E-1745 (Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs) Class A, B and C requirements.