How To Install Roof Vent On Shingle Roof

Trim off excess shingles on roof edges.

How to install roof vent on shingle roof.

Attach the other side of the vent to the opposite side of the ridge to fully secure the vent. To calculate an example of exhaust and intake use 25 feet of roof ridge vent. Place the shingle over ridge vent along the reference line and nail the ridge vent to the decking along that side as directed by the manufacturer. Adhere the joint where the cut edges of the shingles meet the dome with roofing tar.

First head up to your attic and determine where you want to install your roof vent. Install step and dormer flashing. Attach the plastic ridge vent with 3 roofing nails. Next position your ladder against your home and.

Place a line of roofing tar or caulk on top of the vent s flange or its bottom flap using a caulk gun. If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof. Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so. Glue down shingles to cover the bottom of the vent.

What you ll need to install a roof vent. Trim the shingles away from the ridge vent hole. To install the vent the roofer slips the flange the metal lip of the vent under shingles at the upper part of the hole and rests the flange on top of the shingles at the down slope part of the hole. Multiply it by 18 square inches the net free air per foot of ridge.

Install your starter row of shingles at the bottom of your roof making sure to follow the manufacturer s instructions to install shingles. Install underlayment and caulk vent stacks with roof sealant to make your plumbing vents leak proof. Install asphalt shingle caps over the vent using the nails recommended by the manufacturer. Vents evenly spaced underneath the roof provide intake.

Cover the entire flange with shingles to integrate it better into the roof. Position the ridge cap shingles over the ridge vent.