Insulating Outside Bathroom Walls

Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder.

Insulating outside bathroom walls.

Steps on insulation installation 1. Press the poly into the sealant. For narrow stud bays you have to trim down the batt s width. When moisture becomes trapped in walls mold and mildew can grow damaging your home and presenting a potential health danger.

If you are installing fiberglass insulation in outside walls pay attention to the paper facing. Tuck the insulation into the cavity snug against the top of the stud bay and edges flush with the. What needs to be insulated. Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round.

Use special airtight electrical boxes see photo tip 5 or seal the poly to the electrical box with acoustical sealant. The facing is a vapor retarder meant to slow the migration of water vapor through the wall. If warm moist air from inside a house travels through the wall it will condense when it hits the cold sheathing on the outside. How to insulate behind shower walls new construction.

Bathroom projects need special consideration because of the humidity and moisture that bathrooms generate. Properly insulated bathroom reduces energy consumption and saves money. To accomplish this you have to insulate interior walls and hot water pipes to minimize heat loss. To do that lay a batt on the floor in.

Years ago people weren t as energy conscious as they are today and the cost to heat and cool was much. Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk.