Install Bathroom Fan Roof Vent

From inside the attic drive a nail through the roof directly above the bathroom vent fan.

Install bathroom fan roof vent.

This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. 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. The lower half of the flange sits on top of the shingles. Draw a mark on the bathroom ceiling where you d like to install the vent fan.

Climb into the attic and clear away any insulation from around the hole. Install the roof vent install the roof vent by sliding the top flange under the shingles above it and resting the bottom flange on the shingles below. For optimum performance locate it between the shower and the toilet. Nail the lower corners with roofing nails and tar the heads.

The 2nd bathroom vent drips on the floor and is ruining the ceiling. I recommend that my clients vent their bath fans out a gable wall if at all possible when not using an hrv or erv that is. Apply a bead of asphalt roof cement on the bottom of the vent. If you vent through the roof condensation will drip back into the interior.

Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. Center the nail between two rafters. Plenty more videos t.

Slide the vent under the shingles so they cover the top half of the vent flange. Secure the vent flanges with roofing nails before installing the shingles. If you have any questions or comments at all please comme.