Outdoor furniture problem

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juraj.kecso
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Outdoor furniture problem

Post by juraj.kecso » Sun May 02, 2021 4:06 pm

Hi All,

Last year I bought an outdoor sofa set made of Acacia from Argos. I used No Nonsense outdoor furniture oil.

Over the year it developed this dirty looking patina and black watermarks. I wanted to start fresh, so I sanded the whole thing to bare wood and applied three coats of Liberton Boiled Linseed Oil (two coats diluted with white spirit and final coat full) as per instructions.

About two days after the final coat we had two or three days of occasional rain.

https://share.icloud.com/photos/01y63tZ ... xo5trAzFpA

This morning I discovered pieces of the furniture have black marks and dirty looking watermarks, looking about the same as when I applied the No Nonsense oil.



Any advice on what this could be? I really wouldn't want to have to sand everything again and start from scratch.

thatsnotafestool
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Re: Outdoor furniture problem

Post by thatsnotafestool » Mon May 03, 2021 8:59 am

Well, theoretically BLO should not promote mildew. Personally I have my doubts because what you have looks very much like mildew.
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9fingers
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Re: Outdoor furniture problem

Post by 9fingers » Mon May 03, 2021 4:34 pm

You might get somewhere with bleaching with say something like oxalic acid or just let it mellow to a silvery grey naturally.

Bob
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