How To Flash A Brick Chimney On A Metal Roof

Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim. Rivet the pan flashing to the sidewall flashing. Apply a jelly bean size dollop of caulk at the corner where the chimney meets the roof.

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Snip and bend a piece of prebent 8 in.

How to flash a brick chimney on a metal roof.

Place the step flashing over the caulk and onto the chimney. Around the front corner as shown. Embed the corner step flashing in the caulk and nail it to the roof with two roofing nails. The roofing the cricket valley and the chimney base flashing all come together at the chimney corners and must overlap in the proper order.

Chalk a straight line about 2 inches above the back of the base flashing. Square step flashing to fit 1 1 2 in. Place a second piece of 8 inch 20 3 cm flashing against the chimney. Caulk the slot after the flashing has been installed.

Install two layers of butyl tape sealant under perimeter of pan flashing. Secure a shingle over the corner flashing using a hammer and roofing nail. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. Hammer 2 roofing nails into the flashing and roof.

Apply sealant to sidewall flashing where pan flashing tabs will overlap. Place a small drop of caulk where the roof and chimney meet at the chimney corner. Pan flashing should extend at least 12 inches up the roof plane. Tools you will need for roofing from amazon bostitch coil nailer https amzn to 2u1v8e2 shingle remover https amzn to 2fzu5wf roof snake https amzn to 2.

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. When the chimney penetrates the roof below the ridge use a cricket on the up slope side to divert water around the chimney.