How To Install Roof Vent On Shingle Roof

Adhere the joint where the cut edges of the shingles meet the dome with roofing tar.

How to install roof vent on shingle roof.

Glue down shingles to cover the bottom of the 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. Press new shingles onto the caulk and use nails at the top of each shingle to fully secure them to the roof. 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.

Install asphalt shingle caps over the vent using the nails recommended by the manufacturer. Next position your ladder against your home and. Trim off excess shingles on roof edges. Install underlayment and caulk vent stacks with roof sealant to make your plumbing vents leak proof.

Trim the shingles away from the ridge vent hole. Vents evenly spaced underneath the roof provide intake. Cover the entire flange with shingles to integrate it better into the roof. To calculate an example of exhaust and intake use 25 feet of roof ridge vent.

Place a line of roofing tar or caulk on top of the vent s flange or its bottom flap using a caulk gun. Multiply it by 18 square inches the net free air per foot of ridge. Attach he ridge cap shingles with two nails each. What you ll need to install a roof vent.

If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof. Install step and dormer flashing. Attach the other side of the vent to the opposite side of the ridge to fully secure the vent. First head up to your attic and determine where you want to install your roof vent.

Attach the plastic ridge vent with 3 roofing nails. 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.