Insulating Outside Bathroom Walls

When moisture becomes trapped in walls mold and mildew can grow damaging your home and presenting a potential health danger.

Insulating outside bathroom walls.

Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk. Plan your bathroom insulating project in stages tackling one thing at the time. How to insulate behind shower walls new construction. 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. Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder. To do that lay a batt on the floor in. What needs to be insulated.

Insulating a bathroom proper insulation will help keep your bathrooms a comfortable temperature year round. Years ago people weren t as energy conscious as they are today and the cost to heat and cool was much. The facing is a vapor retarder meant to slow the migration of water vapor through the wall. To accomplish this you have to insulate interior walls and hot water pipes to minimize heat loss.

For narrow stud bays you have to trim down the batt s width. Tuck the insulation into the cavity snug against the top of the stud bay and edges flush with the. If you are installing fiberglass insulation in outside walls pay attention to the paper facing. 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. In the best case scenario you can insulate the wall behind the shower during initial construction at.