Insulate Exterior Bathroom Wall

In exterior walls kraft faced fiberglass insulation helps control temperature and humidity inside the structure.

Insulate exterior bathroom wall.

All it takes is a utility knife a straightedge and a little patience to make sure the insulation completely fills the stud cavity side to side and top to bottom without being overly compressed. A well insulated home keeps everyone comfortable and happy. 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. Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round.

During this phase the stud spaces. Life s too short so enjoy it. It s important to have no matter what weather conditions you live in though the way you install it may vary. Filling walls with a fluffy layer of fiberglass insulation is one of the easiest and least expensive ways to make your home more energy efficient.

If the whole batt cannot fit inside the cavity cut off the excess material with a scalpel knife leaving a couple of centimeters over on each side to ensure a tight fit. Sprayed insulation such as cellulose or foam are usually smarter choices than fiberglass for your bathroom. Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder. Un faced batt type insulation with caulked joints for air sealing would allow for any moisture within the wall cavity to dry to the exterior.

Press the poly into the sealant. It will be cheaper on the wallet too. Another path is foam pipe insulation which will keep pipes warmer during cold months. Bathroom projects need special consideration because of the humidity and moisture that bathrooms generate.

Use special airtight electrical boxes see photo tip 5 or seal the poly to the electrical box with acoustical sealant. Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk.