Install Bathroom Ventilation Through Roof

Apply a bead of asphalt roof cement on the bottom of the vent.

Install bathroom ventilation through roof.

Draw a mark on the bathroom ceiling where you d like to install the vent fan. Apply roofing adhesive on the underside of the flanges to seal. This system is quiet too. Nail the lower corners with roofing nails and tar the heads.

You mount a switch in each bathroom. Choosing a whole house fan. Secure the vent flanges with roofing nails before installing the shingles. Any person competent in installing an outside vent either thru the roof soffit or gable hip end of the house thru the siding.

For optimum performance locate it between the shower and the toilet. This discussion is now found at bathroom vent up through roof. 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. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

Slide the vent under the shingles so they cover the top half of the vent flange. The lower half of the flange sits on top of the shingles. Hot air exhaust vents located at the peak of the roof allow hot air to escape. The 2nd bathroom vent drips on the floor and is ruining the ceiling.

The master bathroom and the 2nd bathroom vent through the roof and through the same opening. Center the nail between two rafters. A single exhaust exits through the roof figure a. Bath exhaust fans routed up through the roof.

Climb into the attic and clear away any insulation from around the hole. From the roof find the nail and use the utility knife to cut roof shingles from around the nail. From inside the attic drive a nail through the roof directly above the bathroom vent fan. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.

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.