Install Flashing Roof Vent

Be sure to clean the outside of the pipe from old caulk that could be in the way of the flashing.

Install flashing roof vent.

How to install flashing around a vent pipe five steps to replace a vent pipe flashing 1. Patented and proven both systems form a weathertight seal for vent pipe penetrations and utilizes three independent gasket systems which are designed to work in conjunction with each other to keep out the elements and you off the roof. Further your step flashing pieces need to be 10 inches 254 mm long and at least 2 inches 50 mm wider than the exposure of the shingle you re using. 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.

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. Carefully remove all the shingles from the flashing. Typically flashing is installed using roofing nails and roofing cement. After installation you ll then re lay the shingles you removed to provide a comprehensive water tight solution.

Remove the old and clean the pipe. Use one roofing nail in each corner of the flashing to secure it to the roof. Slide the new flashing over the vent pipe and under the shingles above the pipe. Kozy kollar products are the only roof vent boot flashing or exhaust hood you install from inside a building and over shingles or similar roofing materials.

Add a large bead of caulk in a half moon shape around the flashing and put the shingles back in place.