[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?

[Decking Network]

Dear Ian
I would suggest using either Dilunet or Aquanett from Owatrol.

Follow the instructions then once the process has ben completed allow to dry then apply a water based Aquadecks for b best results.

You will certainly have to top this oil up every year…

Some oils are not really that good for exterior use… You should always follow the instructions or ask a Decking pro to do it for you.
https://www.owatroldirect.co.uk
Hope this is of some help for you

Karl

[Author]

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