Insulating Outside Bathroom Walls

Properly insulated bathroom reduces energy consumption and saves money.

Insulating outside bathroom walls.

Plan your bathroom insulating project in stages tackling one thing at the time. Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder. Steps on insulation installation 1. If warm moist air from inside a house travels through the wall it will condense when it hits the cold sheathing on the outside.

For narrow stud bays you have to trim down the batt s width. What needs to be insulated. 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.

Humidity problem can be solved by installing a vapor barrier around the walls and on the floor. Bathroom projects need special consideration because of the humidity and moisture that bathrooms generate. Tuck the insulation into the cavity snug against the top of the stud bay and edges flush with the. Years ago people weren t as energy conscious as they are today and the cost to heat and cool was much.

How to insulate behind shower walls new construction. Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk. If you are installing fiberglass insulation in outside walls pay attention to the paper facing. The facing is a vapor retarder meant to slow the migration of water vapor through the wall.

Use special airtight electrical boxes see photo tip 5 or seal the poly to the electrical box with acoustical sealant. Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round.