Vapor Barriers: Crawl Spaces & Basements

Keep moisture out of your home or commercial space with reliable and effective crawl space vapor barriers. The ultimate defense against the harmful effects of humidity and water vapor – including mold, structural damage, and more – vapor barriers can be used in a variety of areas, including crawl spaces, basements, attics, and walls. Not only will our selection of moisture barriers for crawl spaces help protect your property, it will also help enhance the indoor air quality. Protect your home or commercial space from the inside out with vapor barriers from Farm Plastic Supply.

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10 Mil White Crawl Space Vapor Barrier

White Plastic Sheeting - White Polyethylene Sheeting For Walls, Moisture Barrier, Dust ContainmentEn..

$99.98

Crawl Space Vapor Barrier - 10 Mil

Crawl Space Vapor Barrier - 10 MilOur Crawl Space Vapor Barrier is a 10 mil heavy duty durable plast..

$83.98

Crawl Space Vapor Barrier - 15 Mil

Crawl Space Vapor Barrier - 15 MilOur Concrete Vapor Barrier is a 15 mil heavy duty durable plastic ..

$83.98

Crawl Space Vapor Barrier - 20 Mil

Crawl Space Vapor Barrier 20 Mil Thickness for Concrete Installations, Crawl Spaces, & MoreOur C..

$104.99

Dura Skrim - 20mil - String Reinforced White Crawl Space Vapor Barrier

Dura Skrim - 20mil - String Reinforced White Crawl Space Vapor Barrier - Ultra Durable & UV Stab..

$31.20

20mil - Heavy Duty Black/White Crawl Space Vapor Barrier

Dura Smooth Heavy Duty Black/White Crawl Space Vapor BarrierThis extremely durable 20 mil constructi..

$22.20

Dura Skrim -  10mil - String Reinforced White Crawl Space Vapor Barrier

Dura Skrim -  10mil - String Reinforced White Crawl Space Vapor Barrier - UV StabilizedDur..

$34.15

Black/White 6 mil Crawl Space Vapor Barrier - Choose Your Size

Farm Plastic Supply - Black/White 6 Mil Crawl Space Vapor BarrierBlack and White 6 Mil Vapor is a Gr..

$5.40

Dura Skrim -  6 mil - String Reinforced Clear Crawl Vapor Barrier

Dura-Skrim 6 Mil Clear String Reinforced Crawl Space Vapor Barrier - The Standard In Crawl Space Vap..

$62.98

Dura Skrim - 10 mil - String Reinforced Clear Crawl Vapor Barrier

Dura-Skrim 10 Mil Clear String Reinforced Crawl Space Vapor Barrier - The Standard In Crawl Space Va..

$120.00

Black Crawl Space Vapor Barrier - 6 mil

Black Crawl Space Vapor Barrier - Black Polyethylene Sheeting For Crawl Spaces, Walls, Moisture Barr..

$39.99

Dura Skrim - 6mil - String Reinforced Black/White Crawl Vapor Barrier

Dura-Skrim 6 Mil Black/White String Reinforced Crawl Space Vapor Barrier - The Standard In Crawl Spa..

$120.00

10 Mil Black Crawl Space Vapor Barrier

Black Plastic Sheeting - Black Polyethylene Sheeting For Walls, Moisture Barrier, Dust ContainmentEn..

$99.98

10 Mil Fire Retardant String Reinforced White Crawl Space Vapor Barrier

10 Mil Fire Retardant String Reinforced White Crawl Space Vapor BarrierDura Skrim Fire Retardant pol..

$32.00

Dura Skrim - 8mil - String Reinforced Black/White Crawl Vapor Barrier

Dura-Skrim 8 Mil Black/White String Reinforced Crawl Space Liner - The Standard In Crawl Space Plast..

$576.00

BAINBRIDGE INTERNATIONAL 10 mil Temporary Surface Protection

Farm Plastic Supply - BAINBRIDGE INTERNATIONAL 10 mil Temporary Surface ProtectionOriginally develop..

$189.98

Dura Smooth+ Black/White Crawl Space Vapor Barrier - 20 Mil

Farm Plastic Supply - Dura Smooth+ Black/White Crawl Space Vapor BarrierThis extremely durable 20 mi..

$23.50

KRITIFLEX® 20 Mil EVOH Gas Barrier Liner

Farm Plastic Supply - KRITIFLEX® 20 Mil Gas Barrier Liner Our KRITIFLEX® 20 Mil Vapor Barrier ..

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High Quality Crawl Space Vapor Barrier Solutions

Properly sealing your crawl space is one of the best investments you can make for your home or building. Whether you’re a contractor or a homeowner, you can rely on crawl space vapor barriers to provide a durable, effective solution for reducing moisture and improving air quality in your space. Typically made of heavy-duty construction plastic, moisture barriers for crawl spaces, basements, and attics are available in different colors and thicknesses. Select your desired size and shade from our inventory of premium-quality crawl space vapor barriers and enjoy a drier, healthier crawl space.

Why Crawl Space Vapor Barriers Matter

Because vapor barriers protect against water-related issues such as humidity and water vapor, you might think you don’t need vapor barriers if you’re building in a drier climate. That is not actually the case. It is beneficial to install moisture barriers for crawl spaces even in dry environments because there is still a lot of moisture residing in the dirt. In fact, there was a 15 percent annual energy savings in homes and buildings in Flagstaff, Arizona, where crawl spaces were sealed, indicating a drastic reduction in moisture, according to an Advanced Energy study. When you install crawl space vapor barriers, no matter the environment, you’re keeping moisture out, which results in reduced energy consumption and cost savings for you. Additionally, with a high-quality vapor barrier, you create a healthier indoor environment and prevent costly repairs by guarding against excess moisture in your crawl space, which can lead to significant problems, including mold growth, wood rot, and poor indoor air quality.

The Benefits of Crawl Space Vapor Barriers

Understanding why you need crawl space vapor barriers is one thing, but really honing in on their key benefits is another. If you need to convince a boss, business partner, or spouse of the advantages that come with installing vapor barriers in your space, whether as wall vapor barriers, attic vapor barriers, or basement vapor barriers, look no further.

Vapor Barrier Key Benefits:

  • Moisture Protection: Crawl space vapor barriers block ground moisture from rising into your crawl space, basement, attic, reducing the risk of mold and mildew.
  • Energy Efficiency: By keeping your crawl space dry, vapor barriers help improve insulation and lower energy costs.
  • Long-Lasting Performance: Our moisture barriers for crawl spaces feature a string-reinforced core construction, which ensures durability, even in challenging environments. This makes them more resistant to tears and punctures compared to standard liners.
  • Ease of Installation: Lightweight yet strong, our moisture barriers for crawl spaces are designed for quick and hassle-free application.
  • Versatile Applications: Vapor barriers can be used in various residential and commercial spaces. Select from under-home vapor barriers, attic vapor barriers, in-wall vapor barriers, basement vapor barriers, and more. There are also concrete vapor barriers that are used as a vapor barrier beneath concrete in commercial and residential construction.

How to Choose the Right Crawl Space Vapor Barrier

When selecting crawl space vapor barriers for your space, there are a few key decisions to make, including what mil size is best and what color vapor barrier you should get. Selecting the right vapor barrier size depends on how and where you plan to use it. For smaller residential projects, a 6 mil vapor barrier may provide adequate protection. If you plan to use your vapor barriers as attic vapor barriers or wall vapor barriers for small spaces, this size would be perfect. For larger or commercial applications, a thicker vapor barrier like the 10 mil or 20 mil options will ensure maximum durability and moisture resistance. For example, if you’re looking for a basement vapor barrier for a commercial space, you would want a larger size vapor barrier. Other factors to consider when selecting vapor barrier size include foot traffic, potential wear and tear, and the level of moisture in your area. For more very moist or heavier-trafficked areas, you’ll want to select a thicker size for your under home vapor barrier for maximum protection.

What Color Crawl Space Vapor Barrier Is Best?

You’ll also want to determine which is better for your specific application – white vapor or black vapor barriers. While color does not have a specific effect on vapor barriers’ performance, there can be benefits to choosing one color over another. Black vapor barriers are most common in traditional crawlspaces, because darker colors absorb heat better, which creates a buffer zone between the cold air outside and the warmer air in your house. At Farm Plastic Supply, we offer Black/White moisture barriers for crawl spaces, which feature a dual-color design offering both light reflectivity and heat absorption. When comparing white vapor barriers and clear vapor barriers, the main differences come down to sun exposure and visibility. White vapor barriers often offer enhanced UV protection and improved energy performance, while clear vapor barriers offer better visibility for visual inspection and a less obtrusive overall appearance.

Expert Tips for Installing Crawl Space Vapor Barriers

Installing moisture barriers for crawl spaces doesn’t have to be complicated. By following these tips, you can ensure a successful application and maximize the lifespan and effectiveness of your vapor barrier.

  • Prepare the surface: Clear the area of debris, sharp objects, and other obstacles that could damage the barrier.
  • Seal All Edges: Use durable tape or adhesive to secure seams and edges, ensuring a complete moisture block.
  • Overlap Panels: Overlap sheets by at least 12 inches to prevent gaps and maintain full coverage.
  • Anchor the Barrier: Secure the barrier to the walls and support piers with appropriate fasteners to prevent shifting over time.
  • Inspect Regularly: Periodically check your barrier for damage or wear, especially in high-traffic areas, and repair as needed.

Why Select Farm Plastic Supply for Crawl Space Vapor Barriers

At Farm Plastic Supply, we pride ourselves on providing premium-quality products backed by expert knowledge and exceptional customer service. When you purchase moisture barriers for crawl spaces from us, you’re not just getting a product, you’re gaining a partner dedicated to helping you protect your home or building.

Whether you’re tackling a DIY project or managing a large-scale installation, our vapor barriers are engineered for superior performance in moisture resistance, making them a dependable crawl space solution you can trust.