Home Insulation Vapor Barrier Installation

Of rigid moisture proof insulation.

Home insulation vapor barrier installation.

Whether you use it in a crawl space radiant floor attic or walls you ll find it easy to handle and install. Here are some things you need to do before you begin. In circumstances where conditions inside a home or office are much different than outdoor conditions water. Seal gaps that allow unconditioned air into the space you re insulating.

We used thermax brand available through lumberyards of polyethylene vapor barrier because it doesn t require an additional fire barrier. Consult an insulation professional in your area if you are unsure where or how to install a vapor retarder or consider a vapor retarder that provides some degree of additional flexibility like a smart vapor retarder. When installing home insulation always follow the manufacturer s instructions. Double reflective insulation roll with staple tab edge for a versatile insulation product select for a versatile insulation product select reflectix insulation to help save energy costs throughout the home.

However leakage can occur where the facings meet. This not only insulates the walls but also keeps rising dampness in the concrete from getting into the crawlspace. A vapor barrier is designed to keep moisture in your home from getting inside your walls. In any case the vapor barrier must point to the warm side.

Some debate still occurs over how necessary vapor barriers are but a consensus is growing closer. Whether your vapor barrier is a facing or a film it must be placed on the warm in winter side of the wall. Cover exposed foundation walls with 1 1 2 in. This barrier is meant to keep moisture from getting to the insulation in the walls and ceilings and it is required by building codes when insulating most houses.

Resolution of the vapor barrier debate. Vapor barriers are sheets of plastic or other material placed on one side of insulation sheets. As mentioned earlier batt and roll insulation come with a vapor barrier attached. Vapor barriers keep the air moisture in your house from condensing in the insulated cavities.

Check your local building code for r value insulation level recommendations and any vapor barrier requirements that apply to your area. Most authorities now agree that vapor barriers are important under certain conditions but not necessarily as a whole house solution for every home. If you live in a cold climate place the vapor barrier between the interior of your home and the insulation.