Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
Install bath vent in roof.
This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
Wrap the joints with duct tape.
To vent the fan out the roof cut the hole from inside or drill a locator hole and cut the hole on the roof.
Vent your bath and kitchen exhaust fans through the roof through a special roof hood.
From inside run flexible ducting from the fan to the jack clamp each end and cover the joints with duct tape.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Attach a short tailpiece onto the roof jack and install it.
For optimum performance locate it between the shower and the toilet.
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What you ll need to install a roof vent.
Climb into the attic and clear away any insulation from around the hole.
Next position your ladder against your home and.
First head up to your attic and determine where you want to install your roof vent.
Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so.
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How to vent a bath fan through the roof 1.
Center the nail between.
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From the roof find the nail and use the utility knife to cut roof shingles from around the nail.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.