How To Install A Roof Vent For Bathroom Fan

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

How to install a roof vent for bathroom fan. Apply a bead of asphalt roof cement on the bottom of the vent. Check the damper and the screen in prior to installation. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Choosing a whole house fan.

This way we can make sure both are positioned properly. To install a roof vent start by choosing a good location from inside the attic and then pound a nail all the way through the roof at that location so you can find the spot from outside. Nail the lower corners with roofing nails and tar the heads. Center the nail between two rafters.

This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. Idea 5 connecting the duct to the bathroom fan. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. For optimum performance locate it between the shower and the toilet.

From inside the attic drive a nail through the roof directly above the bathroom vent fan. Slide the vent under the shingles so they cover the top half of the vent flange. How to install a bathroom fan vent in the soffit. Next we must slip a worm drive metal clamp on the inside part of duct liner.

Climb into the attic and clear away any insulation from around the hole. Remove the tape from the fan first.