How To Install Roof Vent On Shingle Roof

Install underlayment and caulk vent stacks with roof sealant to make your plumbing vents leak proof.

How to install roof vent on shingle roof.

Cover the entire flange with shingles to integrate it better into the roof. Install asphalt shingle caps over the vent using the nails recommended by the manufacturer. 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. Place a line of roofing tar or caulk on top of the vent s flange or its bottom flap using a caulk gun.

Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so. If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof. Trim the shingles away from the ridge vent hole. What you ll need to install a roof vent.

Attach the plastic ridge vent with 3 roofing nails. Next position your ladder against your home and. Position the ridge cap shingles over the ridge vent. First head up to your attic and determine where you want to install your roof vent.

Glue down shingles to cover the bottom of the vent. Vents evenly spaced underneath the roof provide intake. To calculate an example of exhaust and intake use 25 feet of roof ridge vent. Using the example above three round vents would be needed 432 144 3 vents or nine square vents 432 50 8 64 or 9 vents.

Attach the other side of the vent to the opposite side of the ridge to fully secure the vent. 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. Press new shingles onto the caulk and use nails at the top of each shingle to fully secure them to the roof. Adhere the joint where the cut edges of the shingles meet the dome with roofing tar.

Attach he ridge cap shingles with two nails each. Install step and dormer flashing.