Install Bathroom Roof Exhaust Vent

Apply a bead of asphalt roof cement on the bottom of the vent.

Install bathroom roof exhaust vent.

Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it. 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. Center the nail between two rafters.

In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Trace a circle on the underside of the roof just large enough for the roof vent and tailpipe. If you have any questions or comments at all please comme. Measure the vent fan.

For optimum performance locate it between. Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan. Drill a hole large enough for the saw blade then cut out the circle with a reciprocating saw saber saw or keyhole saw. To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom.

From inside the attic drive a nail through the roof directly above the bathroom vent fan. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. 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. 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 video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. Choosing a whole house fan.

Plenty more videos t. 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. From the roof find the nail and use the utility knife to cut roof shingles from around the nail. Remove the shingles from around the cutoff without damaging the underlying roof.

See below for a shopping list and tools subscribe. The lower half of the flange sits on top of the shingles. Slide the vent under the shingles so they cover the top half of the vent flange.