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Thread: Blackwood help!

  1. 19th May 2019, 04:35 PM #1
    touchwood1
    touchwood1 is offline New Member
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    Default Blackwood help!

    G'day!
    Just wondering if someone could help me with my Blackwood timber which has decided to sweat on one side only. It's not water but almost smells and feels like a oil or sap type feel. Not sure if where I bought it from could have spilt something on it?

    Just want to know what to do to get rid of it and clean it to finish. See pic attached

    Thanks!
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  3. 19th May 2019, 04:50 PM #2
    elanjacobs
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    I've seen a similar thing happen with LOSP treated timber, but never that bad...

    Does it wipe off with solvent like turps or acetone?
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  4. 20th May 2019, 12:05 PM #3
    touchwood1
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    Yeah it does but still remains like a stain. It's strange because I sanded it and it was all good. Then few hours later it's changed.
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  5. 21st May 2019, 05:32 AM #4
    hurcorh
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    How long has the blackwood been drying for?
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  6. 21st May 2019, 08:50 AM #5
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    Swifty
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    Hi tw1,
    Sometimes blackwood does that. When you sanded it back, you opened up pores that have dry resin in them. The resin absorbs moisture from the air and some brown goo oozes out. When it happened to me, I just wiped it off with a dampish rag before applying a finish. Once it is sealed the sweating stops.
    Cheers Swifty
    Swifty
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  7. 21st May 2019, 12:08 PM #6
    touchwood1
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    Quote Originally Posted by Swifty View Post
    Hi tw1,
    Sometimes blackwood does that. When you sanded it back, you opened up pores that have dry resin in them. The resin absorbs moisture from the air and some brown goo oozes out. When it happened to me, I just wiped it off with a dampish rag before applying a finish. Once it is sealed the sweating stops.
    Cheers Swifty
    Cheers for the advise guys! I’ve wiped it with metho which took off the stickyness but still stained. I’ll see if oiling a small patch will hide it
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  8. 22nd May 2019, 07:01 AM #7
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    Maybe a quick sanding to remove the stain just prior to applying finish will work. Good luck!
    Swifty
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  9. 22nd May 2019, 08:45 AM #8
    tony_A
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    Is the blackwood dry, I have seen green blackwood do something similar.

    Tony
    You can't use up creativity. The more you use, the more you have. ~Oscar Wilde
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