How To Vent An Exhaust Fan Through Existing Attic Vent

Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an.

How to vent an exhaust fan through existing attic vent.

No you cannot vent your bathroom exhaust fan into the attic. Nail the lower corners with roofing nails and tar the heads. Slide the vent under the shingles so they cover the top half of the vent flange. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

Set the vent fan down into place between the joists centered on the ceiling hole. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. Options for venting a bathroom exhaust fan include best to worst.

Remove the knockout hole on the side of the fan s housing and attach a cable connector. In order to accomplish this the roof has to have a hole cut in it. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. This involves running ductwork from the fan usually though an attic and out through the roof.

Venting two bathroom exhaust fans through one roof duct won t work sorry to say. Choosing a whole house fan. Through the roof or an exterior gable wall. Unlike fabric duct tape it won t deteriorate over time.

But you can install one fan in your attic for both bathrooms and make your bathroom quieter too. 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. By the diy experts of the family handyman magazine. It is because of this that many builders tend to advise against this method.

Apply a bead of asphalt roof cement on the bottom of the vent. The lower half of the flange sits on top of the shingles. Slide the four metal brackets into the tabs protruding from the sides of the vent fan. Use foil duct tape.