How To Install Vent Pipe Flashing On Existing Metal Roof

To make the installation easier you can turn the flashing as you lower it in place.

How to install vent pipe flashing on existing metal roof. The neck of the flashing should fit snugly around the pipe. After installation you ll then re lay the shingles you removed to provide a comprehensive water tight solution. Hammer the nails into the top and sides of the flashing. Be sure to subscribe.

Put one nail in the bottom edge with a dab of caulk under it to seal the. Roofing nails per side photo 2. Below are some links to the tools i used on this project. Slide the new flashing over the vent pipe and under the shingles above the pipe.

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. 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. You can call us with any questions you may have. 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.

This is how i installed my dwv drain waste vent pipe through my metal roof. Typically flashing is installed using roofing nails and roofing cement. 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. Following is the proceedure for installing the dsa flashing.

I prefer to use a dsa flashing also known as a dead soft aluminum flashing.