by Steve McGregor
(Ottawa, Canada)
Hello, seeking advice around a problem with indoor flag stone that was cleaned/burned with javex, there is a lot of gum stuck to the surface, (in a bar); how do we clean it up and maybe apply some kind of finish; we're open to a controlled damage approach, maybe go at it with a wire brush grinder attachment. the stone is white now, but is probably undamaged under the gum.
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