Install Bathroom Ventilation Through Roof

A single exhaust exits through the roof figure a.

Install bathroom ventilation through roof.

This system is quiet too. From inside the attic drive a nail through the roof directly above the bathroom vent fan. From the roof find the nail and use the utility knife to cut roof shingles from around the nail. For optimum performance locate it between the shower and the toilet.

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. Hot air exhaust vents located at the peak of the roof allow hot air to escape. The lower half of the flange sits on top of the shingles. Slide the vent under the shingles so they cover the top half of the vent flange.

Any person competent in installing an outside vent either thru the roof soffit or gable hip end of the house thru the siding. Center the nail between two rafters. Bath exhaust fans routed up through the roof. This discussion is now found at bathroom vent up through 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. The 2nd bathroom vent drips on the floor and is ruining the ceiling.

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. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan. You mount a switch in each bathroom. Climb into the attic and clear away any insulation from around the hole.

Each bath fan should be on a separate 4 or larger duct and the outside vent portion must have a baffle damper to prevent anything from coming into the duct work. Choosing a whole house fan. Nail the lower corners with roofing nails and tar the heads. The master bathroom and the 2nd bathroom vent through the roof and through the same opening.

Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.