Installing Roof Vent Flange

Make a template using cardboard that s the width of your overhang with a hole the size of the vent cut in it.

Installing roof vent flange.

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. Use roofing nails to nail the lower half of the flange in place at the corners. The size of the rectangle will depend on the size of the vents but. Slide the top and sides of your vent underneath the surrounding shingles and leave the bottom side of the vent exposed and laying over the shingles.

The lower part of the vent flange however will sit on top of the shingles. Flat roof ventilation in teaneck nj. Next hammer in a nail every few inches to secure the vent to your roofing structure. Aura roof vent curb mount flange installation instructions.

Apply asphalt roof cement to the bottom of the vent and slide in the vent under the shingles. Use a tall ladder to reach a taller overhang. Turn your vent upside down and apply a thick bead of caulk to the flange. The should cover the top of the vent flange.

Have a partner hold the ladder steady so you can work safely. Using a sawzall cut any roofing nails in the area of the lower mounting plate flush with the sheathing. Product link cmf installation instructions flat roof pdf. After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker.