Whitecap Crawl Space Vapor Barrier Encapsulation Kit – 12 Mil Woven Barrier for 1,200 Sq. Ft., Vapor Barrier Tape, Butyl Tape & Installation Fasteners Included

Product Information

About this item

• FULL CRAWL SPACE ENCAPSULATION KIT (UP TO 1,200 SQ. FT.) – All-in-one bundle designed to completely seal crawl spaces. Includes everything needed for a professional-grade installation without the cost of hiring a contractor.
• HEAVY-DUTY 12 MIL WOVEN VAPOR BARRIER – Reinforced Whitecap woven barrier outperforms standard plastic liners with superior tear resistance, puncture protection, and durability against rocks, foot traffic, and crawl space conditions.
• COMPLETE SEALING SYSTEM – NO GUESSWORK – Kit includes 12 mil vapor barrier (1,200 sq. ft.), 2 rolls of vapor barrier tape, 1 roll of butyl tape, and 100 fasteners. Every component is engineered to work together for a continuous, airtight barrier.
• DESIGNED FOR DIY & CONTRACTOR INSTALLS – Easy-to-handle materials allow for efficient install: cut, lay, seal, and secure. Ideal for homeowners and professionals looking for reliable, repeatable results.
• BACKED BY A LIFETIME WARRANTY – Built to last and protected for the long haul. CrawlSpace-DIY stands behind this kit with a lifetime warranty for long-term peace of mind and performance you can trust.

Product Description

Take control of your crawl space with a complete encapsulation system designed for durability, performance, and long-term protection. The CrawlSpace-DIY Crawl Space Vapor Barrier Encapsulation Kit provides everything needed to seal and protect up to 1,200 square feet—without the cost or complexity of hiring a contractor. At the core of this system is a contractor-grade 12 mil woven vapor barrier engineered to outperform standard plastic liners. Its reinforced construction resists punctures, tearing, and wear from foot traffic, sharp surfaces, and challenging crawl space conditions. Built for real-world environments, this barrier is designed to hold up over time and deliver consistent protection where it matters most. This all-in-one kit eliminates guesswork. It includes a high-strength woven barrier for ground coverage, seam tape for tight overlaps, butyl tape for sealing around piers and transitions, and fasteners for securing the system to walls and structural surfaces. Each component is selected to work together, creating a continuous, sealed barrier across your entire crawl space. Designed for both homeowners and professionals, the installation process is straightforward and efficient. Cut the material to fit, position it across the crawl space, seal seams and edges, and secure it in place. The result is a clean, sealed environment that supports better overall home performance. Encapsulation plays a critical role in protecting your home. By sealing off the crawl space, this system helps reduce excess ground vapor, protect wood framing and insulation, support HVAC efficiency, and improve overall air quality throughout the home. Backed by a lifetime warranty, the CrawlSpace-DIY Encapsulation Kit is built to deliver dependable performance for years to come. It’s a practical, high-impact upgrade for homeowners looking to protect their investment and create a healthier living environment.