Instead of having to cut flashing materials yourself you can buy a fitting boot for your chimney pipe.
Steel roof flashing around chimney.
Hammer 4 galvanized roofing nails into the part of the flashing lying against the roof.
The bent edge should fit around 1 corner of the chimney.
A silent movie about flashing a metal roof into a brick chimney from unioncorrugating.
Bend the clipped flashing around the chimney.
Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in.
Bend a piece of cap flashing to fit around the top corner of the chimney and add the cap flashing across the back of the chimney.
Bend legs up the chimney sides about 1 inch.
These work better on smaller round chimneys and may be ideal for a stove chimney in a metal roof.
Trim panels to fit around the chimney.
Use tin snips to clip the flashing at the point where the other side of the chimney lies against the flashing.
Cut two opposing 45 degree notches into z closure to allow a 90 degree bend.
Ensure that the nails are spaced evenly.