Flashing A Metal Roof Around A Chimney

Apply butyl tape to the underside of the closure.

Flashing a metal roof around a chimney. Fold closure 90 degrees and. Place a small drop of caulk where the roof and chimney meet at the chimney corner. Order about 12 in. When the chimney penetrates the roof below the ridge use a cricket on the up slope side to divert water around the chimney.

More than the width of the chimney. Prebent step flashing 8 x 8 in. In addition to the saddle you ll need the following sheet metal parts see figure a. Trim panels to fit around the chimney.

Set the flashing aside. You ll need one for. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Roofers call these shingle tins.

Panels above the chimney should be removed. Bend legs up the chimney sides about 1 inch. Some lumberyards stock a dormer 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.

Fit an 8 inch 20 3 cm piece of square step flashing over the chimney s front corner.