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