The insulation behind the tub or shower should be equivalent to the insulation in the rest of the exterior walls and should be covered with an air barrier of cement backer board rigid foam insulation or non paper faced drywall that is sealed at the edges and seams to provide a continuous air seal.
Should bathroom walls be insulated.
What needs to be insulated.
It s also a relatively easy option for diyers.
Bathroom projects need special consideration because of the humidity and moisture that bathrooms generate.
There was a dehumidifier in the space that fell woefully short of handling the huge level of humidity.
Measure and cut the fiberglass batt for an exact fit.
Properly insulated bathroom reduces energy consumption and saves money.
Plastic sheeting is used because of its low level of water permeability.
There must a vapor retarder of some sort where walls are insulated in bathroom installations.
Another path is foam pipe insulation which will keep pipes warmer during cold months.
It s usually a thin layer of plastic that sits between the drywall and the studs.
Place the insulation slabs or batts inside the wall cavity between the studs.
By insulating these walls the owners had eliminated enough radiant heat that they d inadvertently reduced room temperatures below the dew point.
Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round.
During this phase the stud spaces.
Sound dampening insulating interior walls.
In the best case scenario you can insulate the wall behind the shower during initial construction at the same time you insulate the rest of the exterior walls.
Mold will feast off of any kind of paper if it gets wet and stays wet.
To accomplish this you have to insulate interior walls and hot water pipes to minimize heat loss.
It s easy to insulate your walls with fiberglass insulation at least when they re open but the job still requires attention to detail to get the maximum benefit.
Insulating interior bathroom walls.
Every gap and compressed batt leaves a path for heat or cold to escape.
Sprayed insulation such as cellulose or foam are usually smarter choices than fiberglass for your bathroom.
But i do somewhat agree that kraft faced insulation is not a good insulation for around showers and the like.
Install vapor barriers after the bathroom s plumbing electrical and insulation are complete.