Meet the Viper CS 6.5 mils Crawl Space Class A Woven Reinforced Vapor Barrier—a durable shield that stops soil moisture from invading your crawl space. It's ideal for homeowners and builders who want a drier, healthier space with minimal fuss.

Key Features & Design

• 6.5 mils thickness vapor barrier for strong moisture protection
• Class A Woven Reinforced vapor barrier construction for enhanced durability
• Prevents moisture migration from the soil into the crawl space
• Guards against mold, mildew, allergens, fungus, radon gas, methane gas, heat loss due to damp insulation, wood rot and overall degradation of the crawl space
• Weight Approximately 25 lbs per 1,000 ft2
• Manufactured using woven high-density fibers yielding the highest strength to weight ratio, tensile strength and puncture resistance of any product of its kind

In plain terms, this barrier is tough enough to stand up to moisture, but simple enough to install—so you get reliable protection without turning your project into a science experiment. Protect your crawl space, reduce heat loss, and keep mold and unwanted gases at bay with a barrier that means business.