Plastic Moisture Barrier For Concrete

Barricade s 6 mil plastic sheeting is a general purpose plastic film for use in a variety of construction gardening and diy applications.

Plastic moisture barrier for concrete. 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. A concrete vapor barrier is simply a sheet of polyethylene plastic visqueen placed directly on top of the sub grade before the concrete floor or slab is poured to help keep moisture from the soil from passing up through the concrete. Sloping the soil away from your home at about 1 2 in. Why and how is there moisture in concrete slabs.

A vapor barrier against the concrete surface is generally recommended before wood framing or flooring materials are installed. If you have a concrete floor that s in continuous contact with a source of moisture you re going to have problems. And bring the plastic about 6 in. But they have also proven to be beneficial in reducing failures of moisture sensitive flooring materials adhesives and coatings caused by excessive emission of moisture vapor from concrete slabs.

Eliminating the movement of moisture into a building reduces the likelihood of mold and other problems caused by the buildup of water. Per foot is usually the best thing you can do to reduce crawlspace moisture. Overlap any seams and tape them. 2 4 how to install vapor barrier on concrete floor under laminate flooring.

Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs. Vapor barriers have been associated with certain concrete slab on grade problems including curling and cracking. Months or years from now the water table link might rise and the water will pass through concrete in water vapors with a. Crawl spaces benefit from a polyethylene moisture barrier placed directly over the exposed earth.

This is why a vapor barrier under concrete is essential. Known for our flagship stego wrap line of below slab vapor barriers and retarders stego has earned the respect trust and recommendation of architectural engineering and construction communities. There is always water underneath the ground while it might not be near the surface it is there. Thin plastic like this is often called a vapor retarder meaning it slows the vapor down but doesn t stop it.

Vapor barriers are a way to keep moisture from getting into the concrete. Cover the dirt crawlspace with a plastic moisture polyethylene vapor barrier. Stego industries is the leader in the below slab concrete vapor barrier market. A vapor barrier is not the same as an underlayment.