Install Bathroom Fan Roof Vent

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Install bathroom fan roof vent.

The 2nd bathroom vent drips on the floor and is ruining the ceiling. If you vent through a soffit where attic vents are often located the moisture will get sucked back up into the attic or roof venting. Slide the vent under the shingles so they cover the top half of the vent flange. The master bathroom and the 2nd bathroom vent through the roof and through the same opening.

The lower half of the flange sits on top of the shingles. Plenty more videos t. 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. If you vent through the roof condensation will drip back into the interior.

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. 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. Apply roofing adhesive on the underside of the flanges to seal.

Secure the vent flanges with roofing nails before installing the shingles. Draw a mark on the bathroom ceiling where you d like to install the vent fan. 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. Center the nail between two rafters.

Apply a bead of asphalt roof cement on the bottom of the vent. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. Nail the lower corners with roofing nails and tar the heads.