Insulating Outside Bathroom Walls

For narrow stud bays you have to trim down the batt s width.

Insulating outside bathroom walls.

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. Plan your bathroom insulating project in stages tackling one thing at the time. If warm moist air from inside a house travels through the wall it will condense when it hits the cold sheathing on the outside.

Properly insulated bathroom reduces energy consumption and saves money. Humidity problem can be solved by installing a vapor barrier around the walls and on the floor. What needs to be insulated. If you are installing fiberglass insulation in outside walls pay attention to the paper facing.

Years ago people weren t as energy conscious as they are today and the cost to heat and cool was much. Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder. Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round. To accomplish this you have to insulate interior walls and hot water pipes to minimize heat loss.

Steps on insulation installation 1. How to insulate behind shower walls new construction. The facing is a vapor retarder meant to slow the migration of water vapor through the wall. When moisture becomes trapped in walls mold and mildew can grow damaging your home and presenting a potential health danger.

To do that lay a batt on the floor in. Tuck the insulation into the cavity snug against the top of the stud bay and edges flush with the.