Insulating An Exterior Bathroom Wall

Press the poly into the sealant.

Insulating an exterior bathroom wall.

Adding insulation to your water heater can reduce standby heat losses by 25 to 45 percent. Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder. Tuck the insulation into the cavity snug against the top of the stud bay and edges flush with the studs. To add soundproofing weave a continuous roll of fiberglass insulation between staggered studs using insulation designed for 2x4 walls.

Insulating interior bathroom walls. The batt should not be tightly compressed against the studs. Another path is foam pipe insulation which will keep pipes warmer during cold months. Sprayed insulation such as cellulose or foam are usually smarter choices than fiberglass for your bathroom.

During this phase the stud spaces. Insulate water heaters to prevent costly energy loss. Weave loosely to fill the cavity but tightly enough so you won t have to compress the insulation when you install drywall. When you reach the end of the wall cut off the insulation.

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. Insulate your attic outer walls and crawl space first as these areas have the most heat transfer. 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. When moisture becomes trapped in walls mold and mildew can grow damaging your home and presenting a potential health danger.

Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk. Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round. Use the discarded material to fill gaps nooks and crannies. Bathroom projects need special consideration because of the humidity and moisture that bathrooms generate.

That will reduce its r value. Place the insulation slabs or batts inside the wall cavity between the studs. Use special airtight electrical boxes see photo tip 5 or seal the poly to the electrical box with acoustical sealant.