Install Bathroom Fan Duct Attic

Cut or push back the insulation leaving a 6 inch gap between the unit and insulation.

Install bathroom fan duct attic.

One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms. Through the roof or an exterior gable wall. This involves running ductwork from the fan usually though an attic and out through the roof. Bath vent fan installation building codes bath vent fan troubleshooting bath vent fan repair.

Each bathroom has its own exhaust fan. For optimum performance locate it between. Be sure to install the duct in the position specified by the instructions so the housing will line up correctly. Attach the duct connector to the duct.

The next step in your bathroom fan installation is to attach the fan enclosure to the joist with screws. Measure the vent fan. Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof. The building code requires a bathroom exhaust fan to vent outside the building so installation of a new bathroom fan necessarily involves installation of ductwork.

Then use a screw to secure the duct connector to the edge of the hole so that it will line up with the exhaust on the fan housing. This is much easier to do if you have attic access because if you don t you usually have to remove some ceiling drywall and run the ducts along a joist. In order to accomplish this the roof has to have a hole cut in it. Once all this is done take hvac tape or a clamp and attach the duct connector.

Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. Cut pieces of a 2 foot x 4 foot board to fit between the joists blocking off the fan from the insulation. Here is the link to th. It is because of this that many builders tend to advise against this method.

Options for venting a bathroom exhaust fan include best to worst. Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan. How to install a bathroom vent fan. 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.

Another thing you ll want to do is to make sure you have the ability to mount. Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical. We explain how to install bathroom exhaust fans or vents the vent ducting. Attach wood pieces with screws.

Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. The duct should vent to the outside.