Insulate Exterior Bathroom Wall

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Insulate exterior bathroom wall.

Because fiberglass tends to be more porous moist air is likelier to flow through it. Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round. It s important to have no matter what weather conditions you live in though the way you install it may vary. Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder.

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. During this phase the stud spaces. 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. Sprayed insulation such as cellulose or foam are usually smarter choices than fiberglass for your bathroom.

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. 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. Another path is foam pipe insulation which will keep pipes warmer during cold months. Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk.

Use special airtight electrical boxes see photo tip 5 or seal the poly to the electrical box with acoustical sealant. Bathroom projects need special consideration because of the humidity and moisture that bathrooms generate. It will be cheaper on the wallet too. Place the insulation slabs or batts inside the wall cavity between the studs.

When moisture becomes trapped in walls mold and mildew can grow damaging your home and presenting a potential health danger. A well insulated home keeps everyone comfortable and happy.