Proper flashing around a chimney includes two layers.
Flashing a fieldstone chimney along siding.
This also is a good time to check for areas that need repair.
Kickout flashing installs just like standard step flashing except that half of the kickout flashing hangs over the edge of the roof.
Some take shortcuts causing loose foundations or cracks in the chimney after only a few years.
And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight.
Nail it to the roof along the top edge.
Slide the prebent and soldered chimney saddle into place behind the chimney.
On each end of the pan flashing cut about 1 1 2 in.
Each leg should be about 6 in.
Gaps between the house siding and chimney may need new flashing.
Galvanized roofing nails about every 6 in.
Outdoors inspect the chimney for small bird or wasp nests and weeds.
Sections of l shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney.
The first part is a one piece pan that is bent at a right angle and laid with one leg against the chimney and the other on the roof.
Seal the sides of the chimney with prebent pieces of step flashing under each course of shingles photos 4 and 5.
Pieces of 18 inch wide flashing installed prior to the brick work but on top of the house wrap in a stepped fashion periodically laying on top of the lapped upper portion of the siding to get the water back to the exterior of the wall is more along the lines that i would be thinking of.
Along the bend at both ends so that the flashing bends around the chimney at the bottom and overlaps at the ridge.
Feazel craftsmen deliver the utmost attention to detail.
Install the kickout flashing.
Using the grind and tuck technique grinding the mortar joints bending the metal along the top of the flashing and tucking it back into the mortar joints.