Installing Roof Vent For Bathroom Fan

Slide the vent under the shingles so they cover the top half of the vent flange.

Installing roof vent for bathroom fan.

Climb into the attic and clear away any insulation from around the hole. If possible run the duct straight out through a wall. See below for a shopping list and tools subscribe. In addition to a vent fan a bathroom unit may have a light night light or heater.

A heater uses more power than a light and fan so it may need to be on its own circuit. The lower half of the flange sits on top of the shingles. Idea 5 connecting the duct to the bathroom fan remove the tape from the fan first. From the roof find the nail and use the utility knife to cut roof shingles from around the nail.

Next we must slip a worm drive metal clamp on the inside part of duct liner. Check the damper and the screen in prior to installation. Center the nail between. Apply a bead of asphalt roof cement on the bottom of the vent.

How to vent a bath fan through the roof 1. Draw a mark on the bathroom ceiling where you d like to install the vent fan. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Plan the installation so the vent duct is as short as possible and makes as few turns as possible.

Nail the lower corners with roofing nails and tar the heads. From inside the attic drive a nail through the roof directly above the bathroom vent fan. Slide a flat pry bar underneath the. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.