what a problem....
we have a two flue brick chimney about 15ft by 4ft, 4 to 7 ft high, on a
downward sloping shingled roof
metal flashing is at base of chimney from brick into shingles
heavy rains results in water drips at lower end of chimney coming
through wood roof boards.
So far I have had roofers reseal the metal flashing 3 different times.
The brick chimney has been rechinked (by me) several years ago in a
nonprofessional way by stuffing cement into mortared spaces between bricks.
Some of this has come out but I am not certain this ever fixed problem
Does anyone have suggestions on techniques or tradesmen to hire out and
repair this problem?
I have tried to find someone to rechink the chimney without luck
Any suggestions on techniques will be apreciated.
If the step flashings were not done correctly (those are the ones on
the sides of the chimney) no amount of resealing will fix the problem
for long, and may, in fact, make it worse.
Find someone who is a good roofer. That is the first step to getting
this problem fixed. A good roofer will, most likely, tell you the
shingles around the chimney need to be taken up, and new step
flashings installed. Done correctly, this will last longer than your
roof will. Done incorrectly (as it is now), this will cause nothing be
(Remove the Primes before e-mailing me)
can of roofing cement.
Keep in mind: the step flashings go under each course of the roof shingles,
bent up to lay against the chimney brick. These divert roof water from the
chimney opening. The lead flashing that is pointed into the brick on the
chimney is lapped logically to shed water downhill and is folded over the
step flashings. These divert water from the chimney onto the roof. The
tricky part is the corners. Takes a little experience, a little talent to
get that right. Get it wrong, get a leak.
2 flashing systems. No tar. No caulking.
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