How To Install Exhaust Fan In Bathroom On Roof

Mark the location of your fan by inserting a 16 inch roofing nail into the drywall at each corner so the nails protrude into the attic.

How to install exhaust fan in bathroom on roof. Table of contents hide. Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it. Nail the lower corners with roofing nails and tar the heads. From the attic locate the nails and mark the location of the fan with a pencil.

Slide the vent under the shingles so they cover the top half of the vent flange. If the hole is too big you ll need to patch the ceiling. Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical. Over a toilet works best.

Access the attic and bring your light cordless drill screws and bathroom fan housing. The lower half of the flange sits on top of the shingles. Then drill a hole on the roof top. Attach the electrical wires to the fan wires by twisting same color wires together white to white and black or red to black and attaching a wire connector.

Here is the link to th. Cut a piece of drywall to make the ceiling hole the right size for your fan. Place the fan in the cut out hole so that the bottom edge of the fan is flush with the bottom of the ceiling drywall. You will need a partner for this step as you cannot see the ceiling from this position.

Open up the electrical splice box from either the attic or the bathroom depending on the model and pull out the fan wires. Attach the bathroom fan to the joist. Avoid placing your bathroom exhaust fan over a tub or shower. Apply a bead of asphalt roof cement on the bottom of the vent.

Attach the drywall filler to a larger piece of wood set it in the hole and drive screws through the ceiling into the wood.