How To Install Roof Flashing Around A Chimney

Bend a piece of cap flashing to fit around the top corner of the chimney and add the cap flashing across the back of the chimney.

How to install roof flashing around a chimney. The grooves should be 1 inch 2 5 cm deep. Saw as high as the height of the cap flashing. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. 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.

Make sure you leave a gap of two inches at the base for the water to drain. Now you need to install the step flashing. Pound the flashing into the grooves and fasten with the drive in expanding anchors. Bend the cap flashing around the front of the chimney.

Install the cap flashing. Fit the front cap flashing around the front of the chimney. So chances are if you ve been looking into your roof and its flashing you. Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in.

According to the federal emergency management agency fema improper roof flashing could lead to wood rot and even deck collapse.