How Do You Stop Cold Air From A Bathroom Vent?
Bathroom vents require openings in the ceiling, wall or roof which create a potential for air leakage around the penetrations. If you have air leakage, it is either due to the age of the fan or improper installation. The leakage over time will result in higher energy bills and discomfort if cold or hot air flows into your bathroom. With a little maintenance, the air leaks in your bathroom vent can be stopped. Clear any insulation away from the unit, and use metal tape to cover areas where air may enter the bathroom. If you don’t have access to the top of the fan, then caulk and tape from below. Caulk around the base of the exhaust fan with acrylic siliconized caulking, and replace the insulation around the exhaust fan. For the caulk to stick, you must sweep or vacuum the area to be caulked. Inspect the vent pipe for leaks, and tape all penetrations or replace the vent pipe or hose. Tape all joints including the connections to the fan itself. Before taping the exhaust hood to the vent p
