With the pipe in a vertical position trace around the pipe using a pencil.
How to install a bathroom vent through roof.
Then drill a hole on the roof top.
Center the nail between.
Apply a bead of asphalt roof cement on the bottom of the vent.
If you have any questions or comments at all please comme.
How to vent a bath fan through the roof 1.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof.
Choosing a whole house fan.
So if you like then climb a couple ladders with me an.
I really hate cutting holes in roofs but it was this or run 15 feet of vent hose through a gable end.
Slide a flat pry bar underneath the.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
The lower half of the flange sits on top of the shingles.
Position the vent pipe up to the bottom of the roof.
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Nail the lower corners with roofing nails and tar the heads.
Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it.