Next we must slip a worm drive metal clamp on the inside part of duct liner.
Installing roof vent for bathroom fan.
Choosing a whole house fan.
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.
Nail the lower corners with roofing nails and tar the heads.
Draw a mark on the bathroom ceiling where you d like to install the vent fan.
If possible run the duct straight out through a wall.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
Climb into the attic and clear away any insulation from around the hole.
A heater uses more power than a light and fan so it may need to be on its own circuit.
How to vent a bath fan through the roof 1.
This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
Slide a flat pry bar underneath the.
Slide the vent under the shingles so they cover the top half of the vent flange.
In addition to a vent fan a bathroom unit may have a light night light or heater.
Apply a bead of asphalt roof cement on the bottom of the vent.
How to install a bathroom fan vent in the soffit.
Center the nail between.
For optimum performance locate it between the shower and the toilet.
Check the damper and the screen in prior to installation.
From inside the attic drive a nail through the roof directly above the bathroom vent fan.