Slide the new flashing over the vent pipe and under the shingles above the pipe.
Install flashing roof vent.
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.
Add a large bead of caulk in a half moon shape around the flashing and put the shingles back in place.
Carefully remove all the shingles from the flashing.
How to install flashing around a vent pipe five steps to replace a vent pipe flashing 1.
After installation you ll then re lay the shingles you removed to provide a comprehensive water tight solution.
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.
Be sure to clean the outside of the pipe from old caulk that could be in the way of the flashing.
Use one roofing nail in each corner of the flashing to secure it to the roof.
Remove the old and clean the pipe.
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.
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.
Typically flashing is installed using roofing nails and roofing cement.
Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof.