On Sun, 10 Mar 2019 15:54:26 -0700 (PDT), Mathew Newton wrote:

I think I could live with the temporary greenish tinge of tanalith ...

Not sure that properly tanalised timber weathers grey. Our gates
haven't after well over ten years, they still have a weak greenish
tinge and definately aren't grey.

--
Cheers
Dave.