Plastic Vapor Barrier Thickness

Is a 12 mil vapor barrier good enough for my crawl space.
Plastic vapor barrier thickness. The science of moisture movement. Thus installing vapor barriers on wall surfaces must. That s why a true crawl space repair expert will recommend a thick strong 20 mil vapor barrier for your crawl space. There are two measurements you should be familiar with when choosing your poly for your crawlspace vapor barrier.
Plastic specifically 6 mil polyethylene plastic is the most commonly used vapor barrier. Polyethylene sheeting is measured in mils a mil is equal to 0 001. The thickness of your vapor barrier is just one of the many considerations you need to take into account when installing a crawl space encapsulation system. Some of the most common uses are.
Mils is the measurement of the poly s thickness and perms represent permeability to moisture. The 15 mil thickness of this vapor barrier won t easily tear split or puncture allowing us to go about our work without having to repair holes while we are pouring the concrete. It comes in a roll 14 feet by 140 feet. Choosing a crawlspace vapor barrier thickness.
It s important to choose a company that is experienced in doing this type of work and has a track record of happy customers. Water vapor can pass through building materials in several ways including direct transmission and by heat transfer but studies suggest that fully 98 percent of the moisture transfer through walls occurs through air gaps including cracks around electrical fixtures and outlets and gaps along baseboards. Aquaponics liners vapor retarders daily landfill covers interim landfill caps erosion control cover under slab vapor retarders earthen liners grain storage. 3 mil temporary wall i e.
Under slab vapor barrier foundation wall vapor barrier. 4 mil moisture and vapor barrier mulching weather protection concrete curing. The concrete vapor barrier we use the most is stego wrap s 15 mil thick vapor barrier. The most common plastic sheeting sizes found in local hardware stores are 2 3 4 and 6 mil poly sheets.
This plastic barrier helps you keep the water vapor barrier on one side.