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Whitecap Crawl Space Vapor Barrier Encapsulation Kit – 12 & 20 Mil Woven Barrier for 2,000 Sq. Ft., Vapor Barrier Tape, Sealant, Butyl Tape & Installation Fasteners Included
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Whitecap Crawl Space Vapor Barrier Encapsulation Kit – 12 & 20 Mil Woven Barrier for 2,000 Sq. Ft., Vapor Barrier Tape, Sealant, Butyl Tape & Installation Fasteners Included

Original price was: $1,029.99.Current price is: $999.99.

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Description

CrawlSpace-DIY Crawl Space Vapor Barrier Encapsulation Kit

Up to 2,000 Sq. Ft. Coverage | Contractor-Grade 12 & 20 Mil Woven Barrier

Our Vapor Barrier Encapsulation kits Seal out ground moisture, protect your foundation, and improve indoor air quality with the CrawlSpace-DIY Crawl Space Encapsulation Kit. This all-in-one bundle includes everything needed to properly encapsulate up to 2,000 square feet of crawl space—without the high cost of hiring a contractor.

Built with professional-grade woven vapor barriers and sealing materials, this kit is engineered for durability, long-term moisture control, and straightforward installation.


Built for Strength & Long-Term Protection

Our Whitecap woven vapor barriers outperform standard plastic liners with reinforced construction that resists punctures, tears, and wear from foot traffic, rocks, and crawl space obstacles. Designed for demanding environments, these materials deliver reliable moisture protection for years—not months.


Complete Crawl Space Encapsulation Bundle

No guesswork. No extra trips to the store. Every component works together to create a continuous, sealed moisture barrier.

Kit Includes:

  • 1× 12 Mil Woven Vapor Barrier – Wall & pier coverage (800 sq. ft.)

  • 1× 20 Mil Woven Vapor Barrier – Ground coverage (1,200 sq. ft.)

  • 4× Vapor Barrier Seam Tape – Strong, long-lasting seams

  • 3× Butyl Tape Rolls – Seal piers, transitions, and overlaps

  • 7× Professional-Grade Geocel Sealant – Air & moisture gap sealing

  • 100× Fasteners – Secure barrier to walls and surfaces


Designed for DIYers & Professionals

Whether you’re a homeowner tackling a weekend project or a contractor installing multiple crawl spaces, this kit is designed for efficient installation and dependable results. Cut, place, seal, and secure with confidence.


Improve Comfort & Protect Your Home

Proper crawl space encapsulation helps:

  • Reduce humidity and moisture buildup

  • Protect wood framing and insulation

  • Improve indoor air quality

  • Support HVAC efficiency

  • Extend the life of your home’s foundation


Coverage & Compatibility

  • Covers up to 2,000 sq. ft.

  • Ideal for residential crawl spaces

  • Compatible with dehumidifiers, drainage systems, and full encapsulation setups


CrawlSpace-DIY delivers contractor-grade crawl space solutions made simple.
Encapsulate with confidence—and protect your home the right way.

 

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Testimonials from Our customers

  • Chad Roberts

    I received this dehumidifier a few weeks ago for my basement and I can’t be any happier with the product. The best part is that there ...

  • Brittney Amos

    Fast Shipping, I just got it installed yesterday but so far I love being able to control it with my phone. Will buy again from Crawl Space D...

  • Eli Weiss

    The main reason I bought from this company is due to free shipping. I went with this dehumidifier due to the ultra-compact design and it fit...

  • John Doe

    I couldn’t believe how fast this dehumidifier arrived at my home and it being free shipping was the cherry on top for me. I will be a ...

  • Cody Stevenson

    This liner was great. I needed help installing it and Crawl Space was able to give me some pointers over the phone.

  • Mike Stiers

    I really like this white drainage matting. Looks great in my crawl space! The price was the best of found for this quality of product....

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    Whether you’re looking to encapsulate your crawl space or just install a dehumidifier, Crawl Space DIY offers expert advice and step-by-step instructions to simplify the process and save time and money on your next project.

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