Go into your attic.
How to install a bathroom vent through roof.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Slide a flat pry bar underneath the.
With the pipe in a vertical position trace around the pipe using a pencil.
Table of contents hide.
Slide the vent under the shingles so they cover the top half of the vent flange.
Center the nail between.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
Then drill a hole on the roof top.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
How to vent a bath fan through the roof 1.
The lower half of the flange sits on top of the shingles.
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Nail the lower corners with roofing nails and tar the heads.
So if you like then climb a couple ladders with me an.
To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom.
Choosing a whole house fan.
Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it.
Position the vent pipe up to the bottom of the roof.