Serious question, I had planned to paint my deck joists black so they will be less visible once the boards have been laid. I got to thinking and I have 20L of pitch black used diesel engine oil, I know back in the day people would paint their fences with it, and I've given it the sniff test and there is no real smell to it now that it has been sitting uncovered for at least 12 months in the shed.
Can anybody see any down sides to painting the joists with it? I'm not really looking to add any protection to the treated pine as it will be undercover, it is purely to stop being able to see the treated pine through the gaps in the boards.
http://www.nissanpatrol.com.au/forum...021/05/192.jpg
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rustynail @
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