Install Bathroom Roof Exhaust Vent

Trace a circle on the underside of the roof just large enough for the roof vent and tailpipe.

Install bathroom roof exhaust vent.

Center the nail between two rafters. For optimum performance locate it between. Options for venting a bathroom exhaust fan include best to worst. Nail the lower corners with roofing nails and tar the heads.

This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it. Apply a bead of asphalt roof cement on the bottom of the vent.

From inside the attic drive a nail through the roof directly above the bathroom vent fan. Choosing a whole house fan. Drill a hole large enough for the saw blade then cut out the circle with a reciprocating saw saber saw or keyhole saw. Through the roof or an exterior gable wall.

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. Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Plenty more videos t.

If you have any questions or comments at all please comme. 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. From the roof find the nail and use the utility knife to cut roof shingles from around the nail. Be sure to install the duct in the position specified by the instructions so the housing will line up correctly.

Then drill a hole on the roof top. Slide the vent under the shingles so they cover the top half of the vent flange. 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. Measure the vent fan.

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. The lower half of the flange sits on top of the shingles.