Saw as high as the height of the cap flashing.
How to install roof flashing around a chimney.
Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks.
So chances are if you ve been looking into your roof and its flashing you.
Bend the cap flashing around the front of the chimney.
Pound the flashing into the grooves and fasten with the drive in expanding anchors.
According to the federal emergency management agency fema improper roof flashing could lead to wood rot and even deck collapse.
Use mortar nails to secure the base flashing to the chimney.
Make sure you leave a gap of two inches at the base for the water to drain.
Then spread the plastic roofing cement along the base flashing sheet underside and simply place the flashing around the base of the chimney and over the shingles.
Now you need to install the step flashing.
A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.
Install the cap flashing.
The grooves should be 1 inch 2 5 cm deep.
Use a circular saw to saw grooves into the mortar joints.