Now you need to install the step flashing.
How to install roof flashing around a chimney.
A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.
Bend the cap flashing around the front of the chimney.
Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks.
Pound the flashing into the grooves and fasten with the drive in expanding anchors.
Make sure you leave a gap of two inches at the base for the water to drain.
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.
Fit the front cap flashing around the front of the chimney.
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.
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.
Saw as high as the height of the cap flashing.