For optimum performance locate it between the shower and the toilet.
Installing a bathroom fan vent on the roof.
Draw a mark on the bathroom ceiling where you d like to install the vent fan.
Climb into the attic and clear away any insulation from around the hole.
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.
The lower half of the flange sits on top of the shingles.
In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
Install the roof vent install the roof vent by sliding the top flange under the shingles above it and resting the bottom flange on the shingles below.
Remove the tape from the fan first.
Secure the vent flanges with roofing nails before installing the shingles.
Apply a bead of asphalt roof cement on the bottom of the vent.
Idea 5 connecting the duct to the bathroom fan.
Center the nail between two rafters.
Nail the lower corners with roofing nails and tar the heads.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Apply roofing adhesive on the underside of the flanges to seal.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
This way we can make sure both are positioned properly.