Nail the lower corners with roofing nails and tar the heads.
Install bathroom vent thru roof.
For optimum performance locate it between the shower and the toilet.
Apply a bead of asphalt roof cement on the bottom of the vent.
Slide the vent under the shingles so they cover the top half of the vent flange.
Cut the hole overhead in the ceiling following the manufacturer s instructions.
This involves running ductwork from the fan usually though an attic and out through the roof.
With the pipe in a vertical position trace around the pipe using a pencil.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Go into your attic.
How to vent a bath fan through the roof 1.
A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.
In order to accomplish this the roof has to have a hole cut in it.
Plenty more videos t.
Any person competent in installing an outside vent either thru the roof soffit or gable hip end of the house thru the siding.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
A single exhaust exits through the roof figure a.
Install the vent into the ceiling.
Draw a mark on the bathroom ceiling where you d like to install the vent fan.
Slide a flat pry bar underneath the.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
Each bath fan should be on a separate 4 or larger duct and the outside vent portion must have a baffle damper to prevent anything from coming into the duct work.
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.
It is because of this that many builders tend to advise against this method.
Attaching the vent pipe in the attic attach the vent pipe from the vent up to the roof.
Position the vent pipe up to the bottom of the roof.
Center the nail between.
This system is quiet too.
The lower half of the flange sits on top of the shingles.