Is 6mil Plastic Sheet Ok For Crawl Space

This heavy duty plastic is commonly used under concrete slabs as a vapor barrier on top of freshly poured slabs as a curing blanket and as a temporary cover for equipment and supplies.

Is 6mil plastic sheet ok for crawl space.

Codes for residential applications often cite a 6 mil 0 006 inch thick minimum reinforced poly vapor barrier. Clear vapor barriers are typically constructed of polyethylene. 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. For best results remodeler tim carter of the online site ask the builder recommends 10 mil high density cross laminated virgin polyethylene which lacks the pinholes and imperfections of 6 mil.

Overlap the seams by no less than 12 inches and secure them together with the poly pvc tape. Roll out and cut plastic sheets. Find many great new used options and get the best deals for clear 6mil plastic sheeting cover crawl space vapor barrier concrete 24 x 100ft at the best online prices at ebay. Additionally six mil sheeting can easily be damaged during other crawl space work including pouring concrete or reinforcing supports.

Dura skrim 6wb 6 mil white on one side and black on the other is an economical reinforced film plastic designed for applications requiring puncture resistance and high tear strengths. Beginning at one side of the crawl space lay down 6 mil or thicker polyethylene plastic over the entire crawl space. A heavy duty scrim reinforcement diamond patterned layer of reinforced string laminated between two layers of high strength polyethylene film results in. Thinner sheeting may be more pliable but generally is not sufficient as a barrier against vapor or moisture.

The polyethylene is shaped in thin sheets commonly sold in a roll form. While some sources may recommend a thickness of six mil a thicker grade of material is preferable. Free shipping for many products. Americover offers thicknesses all the way up to 20 mil.

The perm rating represents how readily water vapor will pass through a material. However americover recommends 10 mil or higher for crawl space applications. 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.