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Heavy-Duty 16 Mil Woven Reinforced ConstructionEngineered for superior tear resistance, puncture protection, and dependable long-term durability in demanding crawl space environments.
Available in Multiple SizesOffered in 6′ x 100′ and 12′ x 100′ options for wall coverage, floor installations, repairs, and full crawl space encapsulation projects.
Helps Reduce Ground Moisture & Crawl Space HumidityCreates a dependable vapor barrier designed to help minimize moisture intrusion from exposed soil and damp crawl space conditions.
Ideal for Crawl Space Encapsulation & Basement Moisture ControlPerfect for crawl spaces, basements, foundation moisture barriers, under-home protection, and moisture management applications.
Contractor-Grade Performance with Lifetime WarrantyBuilt for dependable long-term moisture control in residential and professional installations.
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Protect your crawl space with the heavy-duty performance of the Whitecap 16 Mil Woven Vapor Barrier. Designed for crawl space encapsulation, basement moisture control, and long-term foundation protection, this reinforced moisture barrier helps reduce ground moisture intrusion, excess humidity, and the risk of moisture-related damage beneath your home.
Constructed with durable woven reinforced polyethylene, this contractor-grade vapor barrier delivers excellent tear resistance, puncture protection, and long-lasting performance compared to standard plastic sheeting. Built for demanding residential and professional applications, it provides dependable moisture protection for both full encapsulation projects and moisture barrier upgrades.
Available in 6′ x 100′ and 12′ x 100′ sizes, this heavy-duty vapor barrier offers flexible coverage options for crawl space walls, floor coverage, partial encapsulation projects, and full moisture barrier installations.
Designed to help create a cleaner, drier crawl space environment, this thick moisture barrier helps protect insulation, wood framing, HVAC equipment, and structural components from prolonged exposure to moisture and humidity.
Backed by a lifetime warranty, Whitecap provides long-term crawl space moisture protection trusted by contractors and DIY homeowners alike.
Whitecap moisture barriers are trusted by contractors for dependable crawl space encapsulation performance, durable construction, and long-term moisture protection in demanding environments.
Jason M., Homeowner in Tennessee – June 4, 2025
This stuff is tough. We used it in a crawl space with jagged rock, and it handled the entire install without a single tear. Great quality, easy to tape, and looks sharp when finished.
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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 ... Read Moreis no water tray to be emptied!Read Less
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... Read MoreIYRead Less
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... Read Mores perfectly in my low crawl space.Read Less
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 ... Read Morerepeat customer.Read Less
This liner was great. I needed help installing it and Crawl Space was able to give me some pointers over the phone.
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.... Read MoreRead Less
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.
☀️ Summer Savings Event ☀️
Save on vapor barriers, encapsulation kits, foundation repair products, sump pumps and more!
10% Off SitewideUse Code: SUMMER10
15% Off Orders $1,500+Use Code: SUMMER15
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