YCS 100% Reinforced Woven Ground Vapor Barriers offer superior durability, moisture protection, and mold resistance for crawlspaces and basements. Made from 100% virgin polyethylene with high-density woven reinforcement, these barriers provide unmatched puncture resistance and defense against soil gas permeability. Available in various thicknesses, they cater to different applications, featuring bright finishes for enhanced visibility and aesthetics. Engineered for performance and ease of installation, YCS vapor barriers are the reliable choice for long-lasting protection.
Engineered to combat ground moisture, it provides superior protection against moisture vapor and soil gases, making it an ideal choice for maintaining a healthy environment in crawlspaces or basements.
YCS 12 mill Vapor Barrier is constructed of a five layered, 100% virgin blown film outperforms the competitors’ terms of durability and product consistency. Available in white.
YCS 12 mil Vapor Barrier come in rolls of:
2′ x 100′ – YCS-1224100VBW – Precut Wall Liner
3′ x 100′ – YCS-123100IVB – Precut Wall Liner
4′ x 100′ – YCS-124100IVB – Precut Wall Liner
6′ x 100′ – YCS-1272100IVB – Ground/Wall Liner
8′ x 100′ – YCS – 1296100IVB – Ground/Wall Liner
12′ x 100′ – YCS – 1296100IVB – Ground/Wall Liner
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.