Stego® 20-Mil Vapor Intrusion Barrier

Engineered to serve as a barrier to volatile organic compounds (VOCs), including hydrocarbons and chlorinated solvents. High-Performance Construction – Combines advanced barrier materials with strong, flexible polyolefin film for easy installation and long-term durability. Brownfield Redevelopment Ready – Trusted by Owners, Developers, and Engineers to support safe, healthy transformation of contaminated sites. ENJOY FREE SHIPPING ON ALL STEGO PRODUCTS!! Please note: Customer purchases received by 5:00 pm (EST) Monday Thru Friday will be processed within 1-3 business days. Product Specifications: Thickness: 20-Mils Roll Size: 14' x 105' = (1,470 sq ft.) Weight: Approx. 155 lbs. Roll Core: 86’’ Under-Slab Vapor Retarder: ASTM E1745 Compliant Water Vapor Permeance: 0.0069 perms 20-mil, multi-layer material Order Minimum: at least 3 rolls are needed for freight efficiency.