How To Replace Roof Vent Pipe Flashing

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.

How to replace roof vent pipe flashing.

If you buy a repair kit you should have access to instructions that you can use when fixing your roof. Carefully remove all the shingles from the flashing. Apply the vent pipe flashing according to instructions. Ice and water shield is the best underlayment to use around penetrations.

Center the pipe in the flashing and push the flexible front corners up or down so that the flashing pipe is parallel to the vent pipe. If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. Roof shingle over step flashing. Step flashing on roof peak.

Works for any size pipe. 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. Video turorial on how to change out a plumbing vent boot. Nail the bottom two corners about an inch in from each side the same position as when you took the flashing off.

This old house general contractor tom silva shows how to create a watertight seal around a vent pipe. Slide the new flashing over the vent pipe and under the shingles above the pipe. Once you ve located the leak you can get to work. Be sure to clean the outside.

Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. Rubber vent flashing automatically adjusts to any pitch. Remove the old and clean the pip e. Five steps to replace a vent pipe flashing 1.

It has a rubbery sort. Bend the corner flashing tightly around the corner. Before the flashing is pressed down to the surface of the roof you want to apply a bead of silicon on the shingles about an inch in from the edges.