Vapor Barriers & Liners

premium Crawl Space vapor barriers and liners

Protect your crawlspace from moisture, mold, and structural damage with our premium vapor barriers and liners. We offer high-quality, durable crawlspace vapor barriers in multiple thickness options to suit any project, from basic moisture control to heavy-duty encapsulation solutions. Our vapor barriers are manufactured for superior puncture resistance, long-term durability, and maximum moisture protection. Whether you're encapsulating a small residential crawlspace or a large commercial foundation, we have the right vapor barrier for the job.

Viper CS Wall and Pier Curtain – Clear Viper CS Wall and Pier Curtain – Clear Viper CS Wall and Pier Curtain – Clear
Viper CS Wall and Pier Curtain – Clear
from $137.79
Viper SS Premium Poly Vapor Barrier – 10 Mil White Viper SS Premium Poly Vapor Barrier – 10 Mil White
Viper SS Premium Poly Vapor Barrier – 10 Mil White
$194.79
Viper CS Wall and Pier Curtain – White Viper CS Wall and Pier Curtain – White
Viper CS Wall and Pier Curtain – White
$199.49
Plus 10 Mil Poly Vapor Barrier Plus 10 Mil Poly Vapor Barrier
Plus 10 Mil Poly Vapor Barrier
$129.99
Poly Vapor Barrier – Black Poly Vapor Barrier – Black Poly Vapor Barrier – Black Poly Vapor Barrier – Black
Poly Vapor Barrier – Black
from $55.49
Viper CS Premium Class A Woven – White Viper CS Premium Class A Woven – White Viper CS Premium Class A Woven – White Viper CS Premium Class A Woven – White Viper CS Premium Class A Woven – White
Viper CS Premium Class A Woven – White
from $215.49
Poly Vapor Barrier – Clear Poly Vapor Barrier – Clear Poly Vapor Barrier – Clear
Poly Vapor Barrier – Clear
from $55.49

Why Choose Our Crawlspace Vapor Barriers?

  • Class A fire-rated materials for safety and compliance

  • Woven reinforcement for superior puncture and tear resistance

  • Available in 6.5 mil, 12 mil, 16 mil, and 20 mil thicknesses

  • Suitable for both walls and floors

  • UV-treated for extended durability

Not sure which vapor barrier is right for you?
Contact us and we’ll help you choose the best liner based on your crawlspace size, condition, and specific project needs!

Crawlspace Vapor Barriers FAQs

  • A vapor barrier is a durable plastic liner installed in crawlspaces to prevent moisture from entering the area, protecting your home from mold, mildew, and wood rot.

  • Thicker barriers like 16 mil or 20 mil are recommended for high-traffic areas or rough surfaces, while 6.5 mil or 12 mil options are ideal for wall liners or low-traffic crawlspaces.

  • Yes! Our vapor barriers are designed for easy installation by homeowners or professional contractors.