Crawl Space Vapor Barrier

Crawl space vapor barrier installation is an important step in the process of water damage restoration. When your home suffers from a major flood or sewage backup, this insulation layer will help protect all of the other floors and walls in your house by blocking moisture and gases.

Crawl spaces are typically found under homes and allow for air to circulate freely between your floors, which can be a problem during extreme flooding or if you have mold growth issues.

Crawl space vapor barrier keeps your home safe

Crawl space vapor barriers are a common feature in homes with basements. It prevents the moisture and humidity from your home seeping into your crawlspace, which can lead to mold and mildew growth. The best part about this is that it’s easy to install! You just need to measure the height of your crawl space and cut down a piece of polyethylene sheeting for each wall. Then attach them using heavy duty staples, roll out underlayment over the top and staple it in place on both sides. Finally add insulation as well as another layer of underlayment before you put up drywall or paneling around the perimeter of your basement walls. This will keep any water from getting inside!

Proofing your home against unwanted spaces

The crawl space vapor barrier is the first line of defense against water intrusion. Protecting your home by installing a crawl space vapor barrier will keep dirt, dust, and moisture out of your Alexandria home while also preventing mold from growing. A vapor barrier can be installed in new construction or added to an existing structure. The best time to add a vapor barrier is during construction before drywall goes up. Installing it after that point can still work but there may be some extra steps required such as sealing any seams with tape or caulking to prevent air leaks.


We have been helping homeowners with their water damage problems for years. The team at Alexandria Water Damage Restoration and Basement Waterproofing has helped countless property owners clean up and restore their properties. We are experts at quick and efficient water remediation and restoration services. Whether your home was flooded or a pipe burst, we have the tools, experience, and knowledge to quickly solve your problems. All our services will clean, repair, and protect your home. Feel free to email or call us today for more info.