How To Install A Bath Fan Roof Vent

From the roof find the nail and use the utility knife to cut roof shingles from around the nail.

How to install a bath fan roof vent.

To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom. Idea 5 connecting the duct to the bathroom fan remove the tape from the fan first. Unlike fabric duct tape it won t deteriorate over time. Slide the vent under the shingles so they cover the top half of the vent flange.

Then drill a hole on the roof top. Secure the vent flanges with roofing nails before installing the shingles. Remove the knockout hole on the side of the fan s housing and attach a cable connector. Over there mount the vent hood using tri polymeric locking seal paste and put the nails to strengthen it.

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. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. 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 the four metal brackets into the tabs protruding from the sides of the vent fan. Set the vent fan down into place between the joists centered on the ceiling hole. How to install a bathroom fan vent in the soffit.

The 2nd bathroom vent drips on the floor and is ruining the ceiling. The lower half of the flange sits on top of the shingles. Use foil duct tape. Apply a bead of asphalt roof cement on the bottom of the vent.

Apply roofing adhesive on the underside of the flanges to seal. In this video this old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Center the nail between two rafters. The 2 pipes one a 4 master and the other a 3 2nd do not go through the ceiling but into a common box that goes through the roof.