The YCS 100% Reinforced 8 Mil Vapor Barrier (pre-rolled*) is a 100% reinforced ground or wall vapor barrier, not 10% reinforced like most liners. Additionally, it will not grow mold. This product compares with most 12 mil reinforced vapor barriers, however it is lighter, stronger, and less expensive.
This product works well with our YCS Seam Weld, Wall Curtain, Wall Attachment Tape, Seam Tape, and our Magic Adhesive. The YCS 8 Mil Reinforced Vapor Barrier is also available in precut wall sections. Wall sections come 2’ x100’, 3’x100’, 4’x100’ and 6’x100′.
*Pre-rolled for your convenience to protect the liner from dust, dirt, or moisture to ensure better tape seams, all while saving labor time and wasted material.
Product weighs 37 LBS per 1,000 SF
Everything You Need for Confident, Code-Compliant Installation



Every YCS product is supported by detailed documentation, training materials, and technical guidance to help contractors install with precision and confidence. Whether you’re reviewing specifications, accessing safety documentation, or preparing your team for installation, our resources ensure consistent, high-performance results on every project.