Apply a bead of asphalt roof cement on the bottom of the vent.
How to install a roof vent for bathroom fan.
Idea 5 connecting the duct to the bathroom fan.
Draw a mark on the bathroom ceiling where you d like to install the vent fan.
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This way we can make sure both are positioned properly.
Nail the lower corners with roofing nails and tar the heads.
Climb into the attic and clear away any insulation from around the hole.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
Slide the vent under the shingles so they cover the top half of the vent flange.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
Remove the tape from the fan first.
This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Center the nail between two rafters.
For optimum performance locate it between the shower and the toilet.
Choosing a whole house fan.
Check the damper and the screen in prior to installation.
How to install a bathroom fan vent in the soffit.
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.