Department of energy which now defines it as a vapor diffusion barrier.
Covering damp floor with barrier.
A thick plastic air and moisture barrier covers the floor and is sealed to the wall insulation.
Crawl space ground cover for moisture control how to dry out a wet or damp crawl space how to control crawl space moisture and mold how when where why to install plastic on a crawl space floor to help control crawlspace moisture and mold current best practices to keep a crawl space dry questions answers about using plastic or other ground covers in crawl spaces to control moisture.
A vapor barrier consists of one or more layers of sheet plastic 6 mil visqueen on top of the soil in the crawlspace or basement.
Density carpet pad 74 sq.
It s messy expensive and discouraging to remove moisture damaged materials from your basement.
I d cover a wet or damp crawl space floor with a layer of dimpled plastic drainage matting.
The air space created by the matting will promote good drainage and evaporation of soil moisture.
How vapor barriers work.
Traditionally this plastic has been called a vapor barrier but this strategy has been retitled by the u s.
Because excessive dampness in a crawlspace or basement can condense you can install a vapor barrier to protect floor framing from becoming damp and covered with fungus efflorescence and rot.
Future foam tempur material with spillsafe moisture barrier 7 16 in.
Laying out rolls of ordinary sheet plastic.
Rigid foam insulates the walls floor.
Waterproof basement flooring ideal for covering damp concrete floors.
While proper landscaping can direct rain water away from your house it doesn t always solve the problem of water vapor.