With rock hard chunks of clay and sharp pieces of concrete debris all around, anything less then 20mil would have been a disaster. If I had to do this job again, I would have gotten 2 six foot wide rolls rather then the 13 foot wide roll. The 13 foot width was very difficult for my brother and me to manage when your on your knees and belly.

This is to let you know I am very happy with the quality of your product and the fast shipping. I certainly would recommend your product to others.

I'm very happy with the 12 Mil GuardianLiner along with everything else I ordered from the website. Shipping was very fast! Great company!

My husband was very impressed with the quality of all the products ordered through crawlspacerepair.com. We just put the encapsulation system in and assume it's durable by the looks of it. For sure it's better quality than anything you can get at your local hardware store or home depot type store. it has already made an amazing difference in the air quality in our home.

My husband was very impressed with the quality of all the products ordered through crawlspacerepair.com. We just put the encapsulation system in and assume it's durable by the looks of it. For sure it's better quality than anything you can get at your local hardware store or home depot type store. it has already made an amazing difference in the air quality in our home. The only dislike is the price, but if it lasts for many, many years then it will be well worth the expense. Our home's basement/root cellar had toxic mold and the air quality testing company said put as thick mill as possible. We couldn't afford the 20 mil, but the 12 mil looks tough for sure!