Viper CS Crawl Space Vapor Barrier 6 Mil 12 ft x 100 ft

Viper CS Crawl Space Vapor Barrier – 6 Mil, 12 ft x 100 ft

Viper CS Crawl Space Vapor Barrier is a durable 6 mil polyethylene moisture barrier designed to help control ground moisture in crawl spaces and foundation areas. Installed over soil or crawl space floors, this vapor barrier helps prevent moisture migration that can lead to mold, mildew, and structural damage.

In simple terms: This heavy-duty plastic liner is installed on the crawl space ground to block moisture from entering the home.

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Best For

• Crawl Space Contractors: Ground moisture control and crawl space encapsulation projects.
• Foundation Installers: Protecting structures from soil moisture and humidity.

Key Benefits

• 6 mil thickness: Provides reliable moisture protection for crawl space applications.
• Large coverage roll: Covers up to 1,200 square feet per roll.
• Durable polyethylene construction: Designed to resist tearing during installation.
• Moisture barrier protection: Helps reduce mold, mildew, and humidity problems.
• Improves crawl space conditions: Supports healthier indoor air quality and structural protection.
• Easy to install: Lightweight and manageable roll size for jobsite handling.

Typical Uses

• Crawl space ground vapor barriers
• Moisture protection beneath homes
• Foundation moisture control
• Basement and crawl space encapsulation systems
• Temporary construction moisture barriers

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Specifications

Product Type	Crawl space vapor barrier
Brand	Viper CS
Thickness	6 mil
Roll Size	12 ft × 100 ft
Total Coverage	1,200 sq ft per roll
Material	Polyethylene vapor barrier membrane
Color	White
Packaging	25 rolls per pallet

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Installation Notes (Best Practice)

• Overlap seams: Overlap seams by at least 12 inches.
• Seal seams: Use vapor barrier tape to seal overlaps.
• Secure edges: Attach liner to foundation walls using fasteners or termination bars.
• Seal penetrations: Pipes and posts should be sealed to maintain moisture protection.

Common Questions

Q: What is a crawl space vapor barrier used for?
A: It blocks ground moisture from entering the crawl space, helping prevent mold, mildew, and structural moisture damage.

Q: How much area does one roll cover?
A: One roll covers approximately 1,200 square feet.

Q: Is this suitable for crawl space encapsulation?
A: Yes. It can be used as part of crawl space moisture control systems when properly installed.