How To Install Vapor Barrier On A Raised Floor House

Add 2 inches to allow enough of the barrier to stop water from entering as it rolls towards the floor.

How to install vapor barrier on a raised floor house.

Cover the dirt crawlspace with a plastic moisture polyethylene vapor barrier. 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. 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.

Cut around piers and along the inside edge of the foundation. The plastic should be lapped a minimum of 6 inches and sealed with duct tape at the seams. Today s homeowner serves cookies to analyze traffic and better serve you. Cover the ground in the crawl space with plastic sheeting as long as water cannot pool on it need 1 2 first.

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. As you do this then fold the poly down again and press the poly into the bead of acoustical caulking to make the seal. If both floors of the house are heated use unfaced insulation. And bring the plastic about 6 in.

Most authorities now agree that vapor barriers are important under certain conditions but not necessarily as a whole house solution for every home. Your yard should have a 5 slope all around the house. All of the joints should have a double layer of barrier for a total thickness of 4 inches. It s important to choose the right kind of plastic sheeting for both of these purposes and to install it correctly.

Sloping the soil away from your home at about 1 2 in. 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. It also helps help your home warmer and cooler.

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. In circumstances where conditions inside a home or office are much different than outdoor conditions water. Up the wall and fasten it there. Overlap any seams and tape them.

Some debate still occurs over how necessary vapor barriers are but a consensus is growing closer. A moisture barrier helps protect your crawl space from all these things. Per foot is usually the best thing you can do to reduce crawlspace moisture.