Saturday, February 14, 2015

How can stones be cleaned of lichen growth?

We live in Colorado on 6 acres with lots of local sandstone. My wife has the
idea to collect this stone and arrange with a local stonemason to lay a
stone floor and build fireplace out of this local rock.  This seems very
labor intensive.  Do you think we can find someone to do it.  How is
sandstone for interior use, especially a floor.  Will it show stains, can it
be adequately sealed?  Are airborne silicates a concern?  How can stones be
cleaned of lichen growth?

Lou, Durango

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