It generally remains this color after cleaning. We end up with about 30 shades of Indiana limestone patch because we almost invariably match the weathered, cleaned stone and the weathered color is different from region to region.
Mike E.
----- Original Message -----
From: Mark W. James
Sent: Tuesday, March 26, 2002 5:05 PM
Subject: Re: Travertine and acid rain
In a message dated 3/26/2002 1:44:44 PM Pacific Standard Time, [log in to unmask] writes:
We have long been aware that the local atmosphere in New York, for example, weathers the surface color of buff Indiana limestone to a lighter, greyer color.
So how does one attempt to clean it, or does one attempt to?
Mark