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20 Mil Crawl Space Moisture Barrier

20 Mil Vapor Barrier, GuardianLiner™ (20MGL-)

4.91 stars, based on 14 reviews
Compare the 20 Mil GuardianLiner™ to CleanSpace™-Same amount of plastic and same thickness...Looking for an affordable crawl space liner in the 20 mil class? The GuardianLiner™ is a vapor barrier designed to match up in appearance and performance...
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Reviews 1-5 of 14
Ontario

Durability:
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Recommend:
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Vapour barrier laid down super easy even in a tight space. It was easy to maneuver over the felt 550. Planned out the pieces and cut them in the garage to make transportation into the crawl space easier. Only installed a few days, but the musty odor is gone from the house & crawl space, and the RH has dropped 21% already, from 95 to 74 (with the Compact Aire dehumidifier).



Durability of the product is unknown at this point, but the high quality makes me think it should last a fairly long time.

Durability:
Quality:
Recommend:
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I am very satisfied with the quality of the liner. The service from Crawlspace Repair is outstanding.

20 mil guardianliner

Durability:
Quality:
Recommend:
Pros:
  • ease of installation
Cons:
great product just wish when rolled from manufacture that there were no creases.all the materials i received were of top quality and easy to place. just one word of caution, buy the felt backer also. i placed mine on 1/8th" limestone chip and it seems like it could poke through the liner. but all in all great product.

Missouri

Durable Product

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We installed the system in my crawl space over last weekend. Yes, I am very satisfied with the product. And yes, I am very sore, head to foot, from crawling over rocks to install it. I'm glad I purchased the reinforced material (20 Mil GuardianLiner™).

Durable Vapor Barrier

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Quality:
Recommend:
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This is a very nice liner that helps create a quality vapor barrier. Will purchase again for the next crawl space encapsulation I sell. Also, product came quick and this company has great customer service.

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Reviews 1-5 of 14