Installing Roof Vent For Bathroom Fan

Slide a flat pry bar underneath the.

Installing roof vent for bathroom fan.

Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. Slide the vent under the shingles so they cover the top half of the vent flange. The lower half of the flange sits on top of the shingles. How to install a bathroom fan vent in the soffit.

Nail the lower corners with roofing nails and tar the heads. For optimum performance locate it between the shower and the toilet. From the roof find the nail and use the utility knife to cut roof shingles from around the nail. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.

Draw a mark on the bathroom ceiling where you d like to install the vent fan. Choosing a whole house fan. Center the nail between. Check the damper and the screen in prior to installation.

In addition to a vent fan a bathroom unit may have a light night light or heater. If possible run the duct straight out through a wall. Next we must slip a worm drive metal clamp on the inside part of duct liner. Plan the installation so the vent duct is as short as possible and makes as few turns as possible.

Apply a bead of asphalt roof cement on the bottom of the vent. Climb into the attic and clear away any insulation from around the hole. See below for a shopping list and tools subscribe. A heater uses more power than a light and fan so it may need to be on its own circuit.