Vapor Block Plus is specifically designed with a vision to offer high strength to meet high-end requirements. Installing Vapor Block Plus is great and an effective way to protect the crawl space as it offers unmatched resistance against gas as well as moisture. It offers gas and barrier moisture protection against several harmful gases including radon, methane, and other harmful VOCs. The 20 mil VaporBlock plus with dimensions 10’ x 150’ is available at a reasonable price. Visit us for more details about vapor block plus 20 price. Visit now