In a very three-dimensional crawl space, with a trench and a gas furnace, Visqueen, 6-mil poly, whatever the cheap covering commonly available, does not suffice.
Here is a trial of 16-mil reinforced polyethylene called Goldentouch, from Americover. The material is similar to that offered by Basement Systems.
All seams are strongly attached and sealed with tough 1 1/2" width double-back butyl tape. Topside overlap is dressed with 4" width "vapor bond" sealing tape, matching the tough Goldentouch white vinyl.
The material cost here was about $500.
Note added 8/21/2023:
Please read on to learn of the full successful and inexpensive passive control of Radon in this crawl space. Follow the Conditioned Crawl Spaces Labels-link below.
Find many details in a job photo album:
1 comment:
How is Americover Goldentouch 16 mil superior to Basement systems cleanspace 20 mil?
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