How To Install Vent Pipe Flashing On Existing Flat Roof

See how you can create a perfect seal around a pipe on a flat roof.

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. 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. 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.

Pry back the shingles that are above and on both sides of the vent pipe using a pry bar. 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. How to retrofit the ultimate pipe flashing on an existing roof. 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.

Use one roofing nail in each corner of the flashing to secure it to the roof. Install flashing on existing roof to extend the lifespan of your roof. You don t need to bend back the shingle that s beneath the pipe. How to retrofit the ultimate pipe flashing on an existing roof.

Watch our demonstrator use an innovative pipe boot that can be cut to size and fixed to.