Install Bathroom Roof Exhaust Vent

Then drill a hole on the roof top.

Install bathroom roof exhaust vent.

Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the 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. For optimum performance locate it between. 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.

The lower half of the flange sits on top of the shingles. From inside the attic drive a nail through the roof directly above the bathroom vent fan. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Measure the vent fan.

Trace a circle on the underside of the roof just large enough for the roof vent and tailpipe. This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. The duct should vent to the outside. See below for a shopping list and tools subscribe.

Be sure to install the duct in the position specified by the instructions so the housing will line up correctly. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Center the nail between two rafters. Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it.

To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom. If you have any questions or comments at all please comme. Remove the shingles from around the cutoff without damaging the underlying roof. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years.

Apply a bead of asphalt roof cement on the bottom of the vent. Options for venting a bathroom exhaust fan include best to worst. Drill a hole large enough for the saw blade then cut out the circle with a reciprocating saw saber saw or keyhole saw. Slide the vent under the shingles so they cover the top half of the vent flange.

From the roof find the nail and use the utility knife to cut roof shingles from around the nail. Choosing a whole house fan. Nail the lower corners with roofing nails and tar the heads.