How To Flash A Chimney On A Metal Roof

Place a small drop of caulk where the roof and chimney meet at the chimney corner.

How to flash a chimney on a metal roof.

Hammer 2 roofing nails into the flashing and roof. Fold closure 90 degrees and. Trim panels to fit around the chimney. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.

Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. If you use nails to hold the overlaps you should use a nail gun instead of a hammer to drive the nails into the flashing. Bend legs up the chimney sides about 1 inch. Slide the rubber boot over the pipe to check the fit.

Use metal screws or nails to hold the overlaps together then apply caulking material on the seams to seal them off. 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.

Apply butyl tape to the underside of the closure. Trace the outline of the base of the rubber boot onto the metal roof with a pencil.