How To Replace Vent Flashing On Roof

There s no need to lace the flashing pan into the shingles since the boot and bell of the new flashing will shed water around the damaged part of the old one. Replace the shingles and cover the nail heads with roofing cement. Leave the bottom of flashing exposed so only the sides and top are covered by shingles.

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Cut your shingles precisely to leave at least half an inch around the base.

How to replace vent flashing on roof.

The flashing should be installed under the top and side shingles but it should be laid above the shingles that are below the vent pipe. To replace flashing around the vent pipe first remove the shingles covering the flange at the back and sides. Take a second piece of flashing and set it down in place. In simplest terms a new vent pipe boot flashing is slid over the top of the existing one and the top edge of the pan is lapped beneath the overlying shingle course.

Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. 1 remove nails holding down shingles above the pip. How to install step flashing with a wall corner. If there is a split in the shingle along the edge of the flashing be sure to caulk the edge of the flashing.

Position a new vent pipe flashing over the vent push it down into place and nail where shingles will cover it. Ensure it sits flat and extends at least 8 inches above the shingles. To make the installation easier you can turn the flashing as you lower it in place. Pry and lift off the flashing.

Bend it back so that it. Nail it in. Slide the new flashing over the vent pipe and under the shingles above the pipe. Slip a flat bar under the edge of the vent flashing and pop the nails up photo 1.

The neck of the flashing should fit snugly around the pipe. Hammer the nails into the top and sides of the flashing. Pull or cut off any nails. Bend the corner flashing tightly around the corner.