Nail the lower corners with roofing nails and tar the heads.
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.
The lower half of the flange sits on top of the shingles.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
Slide the vent under the shingles so they cover the top half of the vent flange.
For optimum performance locate it between the shower and the toilet.
This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof.
How to install a bathroom fan vent in the soffit.
Apply a bead of asphalt roof cement on the bottom of the vent.
Check the damper and the screen in prior to installation.
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.
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.
Choosing a whole house fan.
Center the nail between two rafters.
This way we can make sure both are positioned properly.
In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
Climb into the attic and clear away any insulation from around the hole.