Install Bathroom Roof Exhaust Vent

Through the roof or an exterior gable wall.

Install bathroom roof exhaust vent.

Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. See below for a shopping list and tools subscribe. Trace a circle on the underside of the roof just large enough for the roof vent and tailpipe. Choosing a whole house fan.

Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it. Center the nail between two rafters. The lower half of the flange sits on top of the shingles. Drill a hole large enough for the saw blade then cut out the circle with a reciprocating saw saber saw or keyhole saw.

This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. From inside the attic drive a nail through the roof directly above the bathroom vent fan. Apply a bead of asphalt roof cement on the bottom of the vent. Nail the lower corners with roofing nails and tar the heads.

Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan. If you have any questions or comments at all please comme. To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom. From the roof find the nail and use the utility knife to cut roof shingles from around the nail.

Measure the vent fan. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Plenty more videos t. Slide the vent under the shingles so they cover the top half of the vent flange.

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. Remove the shingles from around the cutoff without damaging the underlying roof. Options for venting a bathroom exhaust fan include best to worst.

Then drill a hole on the roof top. The duct should vent to the outside. 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.