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These are a must have! Use a 1/4" drill bit (Wood / Masonry) and "hang" the liner as you stick it to the double-sided wall tape. This prevents it from being pulled off the tape as you work your way down the wall. Our crawlspace was real nasty, so nasty and tight I couldn't get a contractor to take the job. Glad they didn't... I did it myself for cheaper and probably did a better job.

I should not have waited so long. Used 6mill on side walls and 20 mill on floor. Very bright and a pleasure to go under house now. Easy to install and Larry at Crawl space repair was very helpful. Great product and $5000 dollars less than a local company wanted for lesser product.

Great vapor barrier! The Foundation Seal Tape and Waterproof Seam Tape worked extremely well, too. My customer is very happy with the overall outcome.

You can't find a better product out there! I do tons of research to find the best product. Not only is a superior product but it is also cost effective. I've been in construction for over 30 years and have seen what the standard 10 mil black plastic turns into.