Rust Mike Marsoun (15 Aug 2020 21:08 EDT)
Re: Rust Fred Hueston (16 Aug 2020 05:39 EDT)
Re: Rust Stuart Rosen (17 Aug 2020 10:12 EDT)
Re: Rust Mike Marsoun (17 Aug 2020 20:07 EDT)

Rust Mike Marsoun 15 Aug 2020 21:08 EDT
I did tests for tannin and rust and no noticeable change. Looks like internal rusting from moisture leaching tannins behind the stone. Any thoughts on a poultice?  I’m 95% doubtful but a very persistent property manager wants me to at least try everything.

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