How To Install Vent Pipe Flashing On Existing Metal Roof

Below are some links to the tools i used on this project.

How to install vent pipe flashing on existing metal roof.

Be sure to subscribe. How to install a flashing on a metal roof. Rubber vent flashing automatically adjusts to any pitch lift the vent enough to spread caulk under the sides but not the bottom edge then nail with three 1 1 4 in. To make the installation easier you can turn the flashing as you lower it in place.

1 remove nails holding down shingles above the pip. Following is the proceedure for installing the dsa flashing. I prefer to use a dsa flashing also known as a dead soft aluminum flashing. You can call us with any questions you may have.

Slide the new flashing over the vent pipe and under the shingles above the pipe. Hammer the nails into the top and sides of the flashing. The neck of the flashing should fit snugly around the pipe. This flashing is super thin and very flexible to curve around the humps in the metal roofing.

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. After installation you ll then re lay the shingles you removed to provide a comprehensive water tight solution. Put one nail in the bottom edge with a dab of caulk under it to seal the. This is how i installed my dwv drain waste vent pipe through my metal roof.

In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation.