How To Install Roof Vent On Shingle Roof

First head up to your attic and determine where you want to install your roof vent.

How to install roof vent on shingle 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. 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 he ridge cap shingles with two nails each. Trim off excess shingles on roof edges.

Next position your ladder against your home and. Attach the plastic ridge vent with 3 roofing nails. Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so. Install step and dormer flashing.

Cover the entire flange with shingles to integrate it better into the roof. Press new shingles onto the caulk and use nails at the top of each shingle to fully secure them to the roof. What you ll need to install a roof vent. Place a line of roofing tar or caulk on top of the vent s flange or its bottom flap using a caulk gun.

Trim the shingles away from the ridge vent hole. Install underlayment and caulk vent stacks with roof sealant to make your plumbing vents leak proof. Multiply it by 18 square inches the net free air per foot of ridge. Position the ridge cap shingles over the ridge vent.

Glue down shingles to cover the bottom of 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. Vents evenly spaced underneath the roof provide intake. Adhere the joint where the cut edges of the shingles meet the dome with roofing tar.

Attach the other side of the vent to the opposite side of the ridge to fully secure the vent. If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof.