Flashing A Masonary Chimney On A Metal Roof

As a rule chimneys are either masonry or metal.

Flashing a masonary chimney on a metal roof.

Snip and bend a piece of prebent 8 in. Hammer 2 roofing nails into the flashing and roof. Fold closure 90 degrees and. Embed the corner step flashing in the caulk and nail it to the roof with two roofing nails.

Apply butyl tape to the underside of the closure. Secure a shingle over the corner flashing using a hammer and roofing nail. Place a small drop of caulk where the roof and chimney meet at the chimney corner. Metal roof stove pipe flashing flashing is a method of weatherproofing the base of a chimney.

Typically chimney flashings are more complex than other types of roof flashings and are a common source of roof leaks. Trim panels to fit around the chimney. Around the front corner as shown. Panels above the chimney should be removed.

Apply a jelly bean size dollop of caulk at the corner where the chimney meets the roof. The truth of the matter is that all these styles are useful if they are correctly installed. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. It is used to seal the gap between walls and intersecting roofs.

Round metal chimneys will be flashed much like pipes. It comes in 10 foot lengths or for step flashing 6 inch lengths. It can be made of a variety of materials depending on the type of roof and its pitch. Square step flashing to fit 1 1 2 in.

Step flashing is the flashing that is incorporated into the shingle. Flashing is often made of metal which is the norm on a metal roof. Some chimneys are clad in wood stucco or aluminum siding. Place the step flashing over the caulk and onto the chimney.

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. 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.