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Help with leaking brick chimney? Advice appreciated!

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  1. #1
    Novice Moneypitt2's Avatar
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    Default Help with leaking brick chimney? Advice appreciated!

    Hi everyone.

    Iíve had two roofers out and am still struggling to stop a leak.

    one roofer has flashed the left, right and upper sides of the chimney. The second one took a deposit and changed his numberÖÖ

    anyway, any advice would be appreciated.

    Our chimney is very close to our gutter, and the front apron ďBĒ in the photos looks in pretty terrible condition.

    the side aprons have been replaced, as you can see below. 513502f1-4325-4b81-a90c-151ec4522c82.jpg

    b602f05c-e343-42d9-a77e-1c9f8813e452.jpg

    the water leak is pretty significant, to the point where the ceiling joists are saturated and the plaster ceiling below them is failing.

    the chimney has caps on the flues and the masonry doesnít look terrible.

    any ideas other than replacing the lower flashing?

    sorry for the bad photos, itís 8m above ground which makes it a hard job.

    Any leads on old roofers who know what they are doing would be appreciated!

  2. #2
    Seasoned DIY droog's Avatar
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    Inspect the roof space. There should be a reasonable height difference between the upper and the lower sides of the chimney and may give an indication to the height that the leak is originating from.
    Could also be a leak higher up in the roof space and wicking down the rafter.

    Also looks like a lazy job with new flashing simply installed over the old.

  3. #3
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    Quote Originally Posted by droog View Post
    Inspect the roof space. There should be a reasonable height difference between the upper and the lower sides of the chimney and may give an indication to the height that the leak is originating from.
    Could also be a leak higher up in the roof space and wicking down the rafter.

    Also looks like a lazy job with new flashing simply installed over the old.
    Thanks mate. Masonry motar Is saturated at one course from the plaster level inside the roof, implying to me it is at the gutter level. Iíll do another check. Thanks

  4. #4
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    Droog do you think itís worth having a fan in the attic space to try and dry out the plaster?

    Something like this https://www.deelat.com.au/ducting-an...BoCBJsQAvD_BwE until the leak is fixed?

  5. #5
    Seasoned DIY droog's Avatar
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    Drying out the plaster is a good idea but the source of the water needs to be stopped so that it can dry out.
    Not going to comment on any particular fan but in needs to be able to get fresh dry air in and old moist air out.

  6. #6
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    The apron flashings have to go under the chimney tray turndown, which from your not so good pictures is hard to see if it exists at all.
    inter

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