How To Flash A Brick Chimney On A Metal Roof

A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.

How to flash a brick chimney on a metal roof. Apply sealant to sidewall flashing where pan flashing tabs will overlap. 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. Snip and bend a piece of prebent 8 in. Pan flashing should extend at least 12 inches up the roof plane.

This is our third episode in our series on metal roofing involving chimney flashing. Place a small drop of caulk where the roof and chimney meet at the chimney corner. Chalk a straight line about 2 inches above the back of the base flashing. Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim.

Caulk the slot after the flashing has been installed. Place the step flashing over the caulk and onto the chimney. Secure a shingle over the corner flashing using a hammer and roofing nail. Place a second piece of 8 inch 20 3 cm flashing against the chimney.

Hammer 2 roofing nails into the flashing and roof. Rivet the pan flashing to the sidewall 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. Install two layers of butyl tape sealant under perimeter of pan flashing.

When the chimney penetrates the roof below the ridge use a cricket on the up slope side to divert water around the chimney. Apply a jelly bean size dollop of caulk at the corner where the chimney meets the roof. Around the front corner as shown.