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Flashing a masonry chimney on a metal roof.
As a rule chimneys are either masonry or metal.
Cut the bottom of the sidewall flashing at 45 degrees and the top such that it will bend around the uphill side of the chimney.
This head flashing view from lower on the roof shows it extending beyond the width of the chimney and diverting the runoff around the edges of the masonry chimney.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.
Place a second piece of 8 inch 20 3 cm flashing against the chimney.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Open valleys have metal flashing to protect this critical area of the roof.
Round metal chimneys will be flashed much like pipes.
Place the step flashing over the caulk and onto the chimney.
Repeat sidewall flashing on opposite side of the chimney.
Typically chimney flashings are more complex than other types of roof flashings and are a common source of roof leaks.
Now images of specifications for a chimney head flashing are hard to find for some reason they always like to show a cricket behind the upper side of a chimney.
Instead of having to cut flashing materials yourself you can buy a fitting boot for your chimney pipe.
Some sheet metal shops stock a flashing for this purpose but you ll probably have to have it made.
A different type of flashing is a chimney pipe boot.
Measure at the front of the chimney from the roof to the third mortar joint and add about an inch to determine the height you ll need.
Front cap flashing and side cap flashing.
The flashing should partially overlap the shingle that covers the first piece of flashing.
A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.
Apply sealant to the apron where sidewall flashings will overlap.
Some chimneys are clad in wood stucco or aluminum siding.
These work better on smaller round chimneys and may be ideal for a stove chimney in a metal roof.
