Install Bathroom Roof Exhaust Vent

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Install bathroom roof exhaust vent. Apply a bead of asphalt roof cement on the bottom of the vent. Through the roof or an exterior gable wall. Measure the vent fan. The lower half of the flange sits on top of the shingles.

From the roof find the nail and use the utility knife to cut roof shingles from around the nail. If you have any questions or comments at all please comme. 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.

Then drill a hole on the roof top. Nail the lower corners with roofing nails and tar the heads. 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. Center the nail between two rafters.

Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan. Trace a circle on the underside of the roof just large enough for the roof vent and tailpipe. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. See below for a shopping list and tools subscribe.

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. Options for venting a bathroom exhaust fan include best to worst. The duct should vent to the outside. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

Be sure to install the duct in the position specified by the instructions so the housing will line up correctly. For optimum performance locate it between. Drill a hole large enough for the saw blade then cut out the circle with a reciprocating saw saber saw or keyhole saw. Choosing a whole house fan.

To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom. Remove the shingles from around the cutoff without damaging the underlying roof. From inside the attic drive a nail through the roof directly above the bathroom vent fan.