Center the nail between.
Install bathroom vent thru roof.
Choosing a whole house fan.
Slide the vent under the shingles so they cover the top half of the vent flange.
Slide a flat pry bar underneath the.
Go into your attic.
For optimum performance locate it between the shower and the toilet.
A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.
You mount a switch in each bathroom.
Apply a bead of asphalt roof cement on the bottom of the vent.
With the pipe in a vertical position trace around the pipe using a pencil.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
A single exhaust exits through the roof figure a.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.
This involves running ductwork from the fan usually though an attic and out through the roof.
Nail the lower corners with roofing nails and tar the heads.
In order to accomplish this the roof has to have a hole cut in it.
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.
This system is quiet too.
Any person competent in installing an outside vent either thru the roof soffit or gable hip end of the house thru the siding.
Position the vent pipe up to the bottom of the roof.
From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
The lower half of the flange sits on top of the shingles.
Attaching the vent pipe in the attic attach the vent pipe from the vent up to the roof.
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How to vent a bath fan through the roof 1.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Install the vent into the ceiling.
It is because of this that many builders tend to advise against this method.
Plenty more videos t.
Climb into the attic and clear away any insulation from around the hole.