How To Install Vapor Barrier On A Raised Floor House

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How to install vapor barrier on a raised floor house.

In circumstances where conditions inside a home or office are much different than outdoor conditions water. Some debate still occurs over how necessary vapor barriers are but a consensus is growing closer. 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. Watch this video to find out more.

Roll the barrier onto the wall where you ve marked the measurements. Add 2 inches to allow enough of the barrier to stop water from entering as it rolls towards the floor. Your yard should have a 5 slope all around the house. Per foot is usually the best thing you can do to reduce crawlspace moisture.

It also helps help your home warmer and cooler. Overlap any seams and tape them. Sloping the soil away from your home at about 1 2 in. Resolution of the vapor barrier debate.

Cut around piers and along the inside edge of the foundation. Finally down at floor level pull the poly up off the floor enough to allow you to place about a 1 4 inch bead of acoustical caulking right in the corner where the wall meets the floor. Up the wall and fasten it there. If both floors of the house are heated use unfaced insulation.

And bring the plastic about 6 in. 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. A moisture barrier helps protect your crawl space from all these things. To prevent this damage to the floor framing install a vapor barrier consisting of one or more layers of sheet plastic six mil visqueen on top of the soil in the crawlspace or basement.

All of the joints should have a double layer of barrier for a total thickness of 4 inches. The plastic should be lapped a minimum of 6 inches and sealed with duct tape at the seams. Homeowners often install plastic in crawl spaces to create a barrier against moisture or vapor as well as to create more usable storage space. Make sure rain drains away from the house on all sides.

It s important to choose the right kind of plastic sheeting for both of these purposes and to install it correctly. Cover the ground in the crawl space with plastic sheeting as long as water cannot pool on it need 1 2 first. Make sure the ground under the house is higher than surrounding grade.