Flashing A Masonary Chimney On A Metal Roof

Metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle.

Flashing a masonary chimney on a metal roof. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Fold closure 90 degrees and. It comes in 10 foot lengths or for step flashing 6 inch lengths. Bend legs up the chimney sides about 1 inch.

Typically chimney flashings are more complex than other types of roof flashings and are a common source of roof leaks. The truth of the matter is that all these styles are useful if they are correctly installed. There are four main types of flashing that work with a masonry chimney. It is used to seal the gap between walls and intersecting roofs.

Round metal chimneys will be flashed much like pipes. Square step flashing to fit 1 1 2 in. Metal roof stove pipe flashing flashing is a method of weatherproofing the base of a chimney. Apply butyl tape to the underside of the closure.

It s typically made of thin pieces of impenetrable material which inhibits water leaking around the chimney preserving the building from moisture and mold issues. Step flashing is the flashing that is incorporated into the shingle. As a rule chimneys are either masonry or metal. Trim panels to fit around the chimney.

Embed the corner step flashing in the caulk and nail it to the roof with two roofing nails. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. Apply a jelly bean size dollop of caulk at the corner where the chimney meets the roof. Panels above the chimney should be removed.

Around the front corner as shown. Secure a shingle over the corner flashing using a hammer and roofing nail. Snip and bend a piece of prebent 8 in. Place the step flashing over the caulk and onto the chimney.

Flashing is often made of metal which is the norm on a metal roof. Some chimneys are clad in wood stucco or aluminum siding.