Removing old decking oil

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  • #6195
    Ian Hannah

    We have hardwood grooved decking that was treated with Osmo UV decking oil. This year the decking has large patches of grey (particularly those areas in the sun) – if I chip this grey off with my finger nail it comes off and the underlying wood is shown. I have tried Osmo wood revival to try and get rid of it but it is hard to come off. I have also tried weak paint stripper but it still won’t come off. I have tried pressure washing and it comes off with some real effort but not in the grooves. Can anyone recommended a substance suitable to remove this grey stuff?

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