How To Vent An Exhaust Fan Through Existing Attic Vent

Slide the vent under the shingles so they cover the top half of the vent flange.

How to vent an exhaust fan through existing attic vent.

It is because of this that many builders tend to advise against this method. Unlike fabric duct tape it won t deteriorate over time. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. 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.

Venting two bathroom exhaust fans through one roof duct won t work sorry to say. Choosing a whole house fan. No you cannot vent your bathroom exhaust fan into the attic. Use foil duct tape.

You should never exhaust the bathroom fan directly into the attic. In order to accomplish this the roof has to have a hole cut in it. Set the vent fan down into place between the joists centered on the ceiling hole. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.

Nail the lower corners with roofing nails and tar the heads. This involves running ductwork from the fan usually though an attic and out through the roof. But you can install one fan in your attic for both bathrooms and make your bathroom quieter too. Through the roof or an exterior gable wall.

Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an. Remove the knockout hole on the side of the fan s housing and attach a cable connector. The lower half of the flange sits on top of the shingles. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.

Options for venting a bathroom exhaust fan include best to worst. By the diy experts of the family handyman magazine. Apply a bead of asphalt roof cement on the bottom of the vent. Hot air exhaust vents located at the peak of the roof allow hot air to escape.