Moisture Barrier For Bathroom Walls

They are required beneath your.

Moisture barrier for bathroom walls.

Moisture barriers stop that water or vapor from getting any farther and potentially rotting your studs the drywall or greenboard installed behind the enclosure. Interior bathroom and kitchen walls for example are areas where there is great benefit to installing a vapor barrier. Vapor barriers are usually best installed on the side of the wall that experiences the hotter temperature and moister conditions. Is a building inspector justified in insisting the kraft paper facing be removed from fiberglass batt insulation because of mold potential or will that actually cause moisture problems.

When you stick a vapor barrier on the inside of a building all will seem well at first until you go and turn the air conditioner on. The inner surface in colder climates and the outer surface in hot humid climates. After the insulation is in place you will want to add a vapor retarder sometimes called a vapor barrier if you need one. Not every wall does.

Bathrooms and kitchens produce an enormous amount of water vapor daily. You don t need to put a vapor barrier in the ceiling of the bathroom. A vapor retarder is a material used to prevent water vapor from diffusing into the wall ceiling or floor during the cold winter. Then the moisture in the warm humid outside air that fills the wall cavity will start to condense on the cold exterior surface of the vapor barrier assuming an insulated assembly and you get mold as a result.

In existing spaces oil based paints or vapor barrier latex paints offer an effective moisture barrier.