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  1. 14th November 2010, 04:41 PM #1
    Didak
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    Default Redgum tanning on driveway

    A couple of weeks ago I built a 20m long retaining wall out of Redgum sleepers about a metre off our side fence, and a couple of days ago I had our concretor come by to pour the driveway. Well yesterday we had a bit of rain in the area and as a result the tanning from the sleepers have leaked onto the driveway Ive spoken to a couple of people about this and they suggested I wait at least another 6 weeks for all the tanning to be leaked out before I stain the sleepers. So it looks like Im going to be having a bit of a issue with this because the driveway is coloured so I cant clean it with a cleaner that contains acid. I was recommended to buy a high pressure water blaster and try that but he didnt really seem too confident that it will do much. So Im just wondering if anyone has any advice on what I could use to remove the tanning on the driveway, Thanks
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  3. 14th November 2010, 04:50 PM #2
    Peter36
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    You could paint the driveway with a concrete paint the same colour as the drive . This would cover up the tannin stain.
    I've just become an optimist . Iv'e made a 25 year plan -oopps I've had a few birthdays - better make that a 20 year plan
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  4. 14th November 2010, 05:06 PM #3
    Didak
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    Yeah I guess I could try that as a last resort, cheers mate. Ill probably purchase a high pressure blaster tomorrow and see how that goes but I dont have my hopes up.
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  5. 14th November 2010, 05:14 PM #4
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    mic-d
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    If the concrete is coloured with oxide I'd be surprised if you couldn't use oxalic acid to decolourise the tannin. But would wait for the sleepers to stop leaching before trying it and not before the concrete is a month or so old.
    Oh, Nappisan is another one to try
    Cheers
    Michael
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  6. 14th November 2010, 11:22 PM #5
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    movay_2008
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    Pressure cleaning should work. I'm actually staining a driveway next week. You can do it with a backpack sprayer very quickly. I'm looking for some non-acid stain.

    Homemade Concrete Stain Recipes.
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  7. 15th November 2010, 07:53 PM #6
    Didak
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    Thanks fellas for the help, the concretor came by today and sealed the driveway which covered the tanning on the driveway so its looking like new again but now I know what to expect from the redgum
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  8. 15th November 2010, 08:18 PM #7
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    good to hear.
    By the way, it's just tannin, you can spare the g

    Cheers
    Michael
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