How To Install Vent Pipe Flashing On Existing Flat Roof

Now that the old flashing is gone you can slide the new flashing over the pipe vent and maneuver it under the shingles above the pipe.

How to install vent pipe flashing on existing flat roof. How to retrofit the ultimate pipe flashing on an existing roof. Finally reattach all shingles removed in the process. 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. Install flashing on existing roof to extend the lifespan of your roof.

Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. Slide the new flashing over the vent pipe and under the shingles above the pipe. You can bend them back by working a putty knife under the bottom of each tab and slipping it through the adhesive to break the seal. Pry back the shingles that are above and on both sides of the vent pipe using a pry bar.

Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt. How to retrofit the ultimate pipe flashing on an existing roof. You don t need to bend back the shingle that s beneath the pipe. See how you can create a perfect seal around a pipe on a flat roof.

Use one roofing nail in each corner of the flashing to secure it to the roof.