When the chimney penetrates the roof below the ridge use a cricket on the up slope side to divert water around the chimney.
How to flash a brick chimney on a metal roof.
Around the front corner as shown.
Apply a jelly bean size dollop of caulk at the corner where the chimney meets the roof.
Snip and bend a piece of prebent 8 in.
Square step flashing to fit 1 1 2 in.
Pan flashing should extend at least 12 inches up the roof plane.
Place the step flashing over the caulk and onto the chimney.
This is our third episode in our series on metal roofing involving chimney flashing.
Using the circular saw and masonry blade cut a slot about 1 5 inches into the brick so that the overlapping flashing or counter flashing will slide into the slot.
Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim.
Hammer 2 roofing nails into the flashing and roof.
Rivet the pan flashing to the sidewall flashing.
Chalk a straight line about 2 inches above the back of the base flashing.
A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.
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Secure a shingle over the corner flashing using a hammer and roofing nail.
Caulk the slot after the flashing has been installed.
Apply sealant to sidewall flashing where pan flashing tabs will overlap.
Install two layers of butyl tape sealant under perimeter of pan flashing.
The roofing the cricket valley and the chimney base flashing all come together at the chimney corners and must overlap in the proper order.