Vapor Barrier For Bathroom Walls

If the tub shares this exterior wall i would put vapor barrier behind it if you can as the plastic tub surround will not give you a vapor barrier i don t think.

Vapor barrier for bathroom walls.

Normally interior walls do not require a vapor barrier but there are some situations where it is highly recommended. Vapor barriers are usually best installed on the side of the wall that experiences the hotter temperature and moister conditions. In existing spaces oil based paints or vapor barrier latex paints offer an effective moisture barrier. Interior bathroom and kitchen walls for example are areas where there is.

A vapor or moisture barrier is a layer of protection that is designed to act as a waterproof shield helping to keep condensation away from wood insulation and other mold prone materials that are located behind the drywall. Vapor retarders are there to slow the diffusion of moisture so the building inspector is off base argues senior editor martin holladay. It s usually a thin layer of plastic that sits between the drywall and the studs. The vapor barrier should be on the inside between the insulation and drywall.