Venting Bathroom Fan Through Roof
Behind a gable vent.
Venting bathroom fan through roof. To help your attic stay clear of mold or mildew make sure all exhaust fans running through the attic leave through the roof. From the roof find the nail and use the utility knife to cut roof shingles from. Options for venting a bathroom exhaust fan include best to worst. Gravity helps this because when water hits the side of the house it will run to the ground.
Options for venting a bathroom exhaust fan written. You can find 4 in. Holes that are cut into the sides of building usually dont have problems with taking on water. Behind a soffit vent.
If youre tempted to vent your exhaust fan through an existing roof vent or even. Duct already wrapped in insulation at home centers. And a straight shot is. When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.
Although this isnt always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems. So i bought two vent hoses so that i could extend the bathroom exhaust all the way to so the soffit and out of the house. Be sure to clarify this with your local permitting department. Thats why its fine to have bathroom vents in a basement or lower floors to leave through the side of the home.
You can also use this vent hose as a dryer vent hose. Center the nail between two rafters. If section r3034 is included but the previous section has been struck through or not included this may mean that your bathroom must have a bathroom fan and that a window cannot be used as a substitute venting method. Directly through an exterior wall.
For one youll lessen the chance of the warm air getting back into the attic. Ask the builder 574723 views. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. From inside the attic drive a nail through the roof directly above the bathroom vent fan.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Here is a simple step by step process that anyone can follow to vent the bath fan through the roof.