How To Install A Roof Vent For Bathroom Fan

How to install a bathroom fan vent in the soffit.

How to install a roof vent for bathroom fan.

This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. This way we can make sure both are positioned properly. From inside the attic drive a nail through the roof directly above the bathroom vent fan. Climb into the attic and clear away any insulation from around the hole.

Next we must slip a worm drive metal clamp on the inside part of duct liner. The lower half of the flange sits on top of the shingles. If you have any questions or comments at all please comme. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

Nail the lower corners with roofing nails and tar the heads. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Remove the tape from the fan first. Slide the vent under the shingles so they cover the top half of the vent flange.

Apply a bead of asphalt roof cement on the bottom of the vent. Choosing a whole house fan. Center the nail between two rafters. Draw a mark on the bathroom ceiling where you d like to install the vent fan.

Idea 5 connecting the duct to the bathroom fan. For optimum performance locate it between the shower and the toilet.