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. Slide the rubber boot over the pipe to check the fit. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. 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. Place the step flashing over the caulk and onto the chimney.

Trace the outline of the base of the rubber boot onto the metal roof with a pencil. Fold closure 90 degrees and. Place a second piece of 8 inch 20 3 cm flashing against the chimney. Apply butyl tape to the underside of the closure.

Secure a shingle over the corner flashing using a hammer and roofing nail. Use metal screws or nails to hold the overlaps together then apply caulking material on the seams to seal them off. Remove the rubber boot. Trim panels to fit around the chimney.

Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe. Bend legs up the chimney sides about 1 inch.