I ran across what looks like a similar kind of thing on an interior limestone wall of a church. The limestone was heavily oxidized and the drip marks were built up white calcereous salt deposits. We tried cleaning with different products, but the problem was that the limestone etched under the "drip" marks. We basically used electroplated diamond discs (I think around 220 grit, maybe less) to take off the oxidation, drip marks and etching. Came out really well.
B--On Tue, May 8, 2012 at 10:49 AM, Georgia <georgia@stonebuff.com> wrote:
May it is the window? Have you tested it at all to see if it is rust, acid or maybe even cleaning products.....such as cleaning that window with lots of window cleaner?
On May 8, 2012 10:30 AM, "Roger Konarski" <qm144@yahoo.com> wrote:My question is, what is causing the drip like marks on the limestone? Please see attached picture. 2nd question, what can be done to fix the problem?Thanks,Roger Konarski
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