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.
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About Radon
What is Radon?
Radon is a radioactive gas formed from the decay of uranium in soil and rock.
It moves from the ground into homes in enclosed spaces like basements.
Health Risks Associated with Radon
Radon is the second leading cause of lung cancer after smoking.
Radon exposure is typically asymptomatic, meaning there are no immediate signs of illness.
How to Mitigate Radon Exposure
After identifying radon issues with accurate testing, you need to install mitigation systems.
If you need help identifying the best system or risks, we'll help you for free.