Moisture Barrier For Bathroom Walls

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

Moisture barrier for bathroom walls.

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. Q a spotlight bathroom walls mold vapor barriers and building codes where s the love. It is important to make sure that a proper vapor barrier or vapor retarder is installed on the walls in your bathroom whenever you re building or remodeling. Bathrooms and kitchens produce an enormous amount of water vapor daily.

The inner surface in colder climates and the outer surface in hot humid climates. 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. Interior bathroom and kitchen walls for example are areas where there is great benefit to installing a vapor barrier. After the insulation is in place you will want to add a vapor retarder sometimes called a vapor barrier if you need one.

Moisture barriers stop that water or vapor from getting any farther and potentially rotting your studs the drywall or greenboard installed behind the enclosure. You don t need to put a vapor barrier in the ceiling of the bathroom. They are required beneath your. A vapor retarder is a material used to prevent water vapor from diffusing into the wall ceiling or floor during the cold winter.

Not every wall does.