Flashing Around A Rock Chimney On A Metal Roof

Each leg should be about 6 in.

Flashing around a rock chimney on a metal roof. Comprised of step tins rubber or some other type of membrane. The first part is a one piece pan that is bent at a right angle and laid with one leg against the chimney and the other on the roof. Cut the bottom of the sidewall flashing at 45 degrees and the top such that it will bend around the uphill side of the chimney. Install two layers of butyl tape sealant under perimeter of pan flashing.

Slide sidewall flashing into place and fasten into the chimney with masonry anchors. The same techniques can be used on any style roof. It s typically made of thin pieces of impenetrable material which inhibits water leaking around the chimney preserving the building from moisture and mold issues. And the upper counterflashing.

A typical roof to chimney flashing will consist of two parts. 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. Flashing is a method of weatherproofing the base of a chimney. This is our sixth video in our series on metal roofing involving chimney flashing.

A piece of metal that is sealed to the chimney surface and covering the top of the step flashing to form a water tight barrier by directing water over and away from the step flashing. Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in. Meaning that each layer should lap on top of the lower. Chimney boot for a metal roof.

Along the bend at both ends so that the flashing bends around the chimney at the bottom and overlaps at the ridge. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. I am flashing this chimney on a standing seam metal roof. Flashing is often made of metal which is the norm on a metal roof.

On each end of the pan flashing cut about 1 1 2 in. Pound the flashing into the grooves and fasten with the drive in expanding anchors.