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How to flash a chimney on a corrugated metal roof.
The flashing can be installed quickly and easily with kits that use rubber pipe boots.
Panels above the chimney should be removed.
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.
This flashing is super thin and very flexible to curve around the humps in the metal roofing.
Bend legs up the chimney sides about 1 inch.
Instead of having to cut flashing materials yourself you can buy a fitting boot for your chimney pipe.
The rubber boot is trimmed to fit around the pipe and then secured to the roof with screws and sealant.
How to install a flashing on a metal roof.
Trim panels to fit around the chimney.
Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof.
The evenly spaced ridges of the roofing profile present a real challenge.
Pound the flashing into the grooves and fasten with the drive in expanding anchors.
A silent movie about flashing a metal roof into a brick chimney from unioncorrugating.
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Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in.
A different type of flashing is a chimney pipe boot.
These work better on smaller round chimneys and may be ideal for a stove chimney in a metal roof.
When visualizing a flashing strategy for the down slope face of the chimney picture the plane of the roof at the top of the ridges not at the lower flat portion of the.
Cut two opposing 45 degree notches into z closure to allow a 90 degree bend.
