How To Flash Around Metal Chimney With Tin Roof

Panels above the chimney should be removed.

How to flash around metal chimney with tin roof. The bent edge should fit around 1 corner of the chimney. Installing chimney flashing on a metal roof is a laborious business but if you love to work with your hands and you want to save some money on professional fees you may want to try doing this carpentry job on your own. The roofing the cricket valley and the chimney base flashing all come together at the chimney corners and must overlap in the proper order. 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.

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 generous bead of roofing sealant around the base of the pipe with the caulking. Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in. Bend legs up the chimney sides about 1 inch.

Trim panels to fit around the chimney. To help you install chimney flashing on a metal roof here are some tips for you. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe.

Apply butyl tape to the underside of the closure. How to flash a chimney pipe on a corrugated steel roof. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. Bend the clipped flashing around the chimney.

The part of the flashing that lies flush with the roof should overlap the roofing shingles. Pound the flashing into the grooves and fasten with the drive in expanding anchors.