Skip to content
Opens in a new window
The Pest Problem Living Under Your Vapor Barrier Right Now
24 September 2026

The Pest Problem Living Under Your Vapor Barrier Right Now

Crawl Space Ninja Show

About

Send us Fan Mail

Are your vapor barriers actually protecting your home? Learn why standard 6-mil plastic fails to stop pests and moisture.

Building codes for these materials were written decades ago and have not kept up with modern building science. Contractors rarely warn homeowners about the durability issues of thin plastic, which rodents can tear through like tissue paper. This leaves your foundation vulnerable to infestations and long-term structural issues.

We show you exactly why relying on outdated minimums leads to ongoing crawl space moisture problems. Understanding these common installation flaws is the first step toward securing your home against damage. If you are dealing with pest entry or dampness, you need to know why 6-mil plastic is rarely the right choice for permanent protection.

Watch full 6-mil Fails video: https://youtu.be/IX4aOgsjwVo?is=DogD5GrhTbnEPct9

Mold Removal and Prevention Products:
Mold Test Kit – https://diy.crawlspaceninja.com/product/mold-test-kit-diy-1-test/
Mold Fogger – https://diy.crawlspaceninja.com/product/mold-fogger-ulv-non-thermal/
Mold Cleaner – https://diy.crawlspaceninja.com/product/mold-cleaner/
Mold Preventative – https://diy.crawlspaceninja.com/product/mold-prevention-spray/
Virus, Mold and Bacteria Disinfectant – https://diy.crawlspaceninja.com/product/anasphere-plus/
Odor Remover – https://diy.crawlspaceninja.com/product/anafresh-odor-eliminator/
Air Purifier – https://diy.crawlspaceninja.com/product-category/air-quality/air-purifiers/
Dehumidifier – https://diy.crawlspaceninja.com/product/aprilaire-1830-dehumidifier/

Radon
Digital Radon Detector – https://amzn.to/35KfsrA (affiliate link)
Radon Test Lab Results – https://amzn.to/2xQCRLy (affiliate link)
Radon Mitigation Fan – https://amzn.to/2YLcPEp (affiliate link)

Flooding Products:
Moisture meters: https://supply.crawlspaceninja.com/collections/moisture-detectors-alarms
Sump Pumps: https://supply.crawlspaceninja.com/collections/dehumidifiers
Dehumidifiers: https://supply.crawlspaceninja.com/collections/waterproofing
Vapor Barriers: https://supply.crawlspaceninja.com/collections/vapor-barrier
Foundation Sealant: https://amzn.to/4huXMqG
Power Digging Tool: https://amzn.to/45td0VT
Power Digging Spade: https://amzn.to/3RemeSN

**Contact Us:**
* Website: (https://CrawlSpaceNinja.com/)
* Schedule Free Inspection: (865) 659-0390
* DIY Store: (https://supply.crawlspaceninja.com)
* DIY Store Phone: (865) 321-9314

**Disclaimer:** This information is for educational purposes only. Consult professionals for specific advice. Some links may be affiliate links, which means we may earn a small commission at no extra cost to you.

Support the show

Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!

Schedule a consultation: https://buymeacoffee.com/csninja/extras

Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com