Slide a flat pry bar underneath the.
Install bath vent in roof.
Center the nail between.
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To vent the fan out the roof cut the hole from inside or drill a locator hole and cut the hole on the roof.
Attach a short tailpiece onto the roof jack and install it.
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Climb into the attic and clear away any insulation from around the hole.
From inside run flexible ducting from the fan to the jack clamp each end and cover the joints with duct tape.
First head up to your attic and determine where you want to install your roof vent.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.
Wrap the joints with duct tape.
Draw a mark on the bathroom ceiling where you d like to install the vent fan.
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Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
Slide clamps over the flexible duct at both the roof cap and the fan housing then slip the clamps over the tailpieces.
Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so.
What you ll need to install a roof vent.
Next position your ladder against your home and.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
How to vent a bath fan through the roof 1.