I purchased a house a year ago that had a natural limestone foundation. The interior of the walls had been waterproofed/painted with an unknown white covering. It does not appear to be normal waterproofing paint.
It has a semigloss appearance and seems to have covered initally very well. However, as this last year has passed, sevaral areas have experienced one of three conditions: 1) the covering/paint has cracked/chipped from the wall surface; 2) the covering/paint has almost disolved or otherwise diasppeared leaving some visible traces of the natural stone; 3) Lime has leeched through the covering/paint leaving a white chrystaline/powder sitting on the rocks.
My instinct is to wire brush the loose covering/paint and lime and find a sealer or epoxy type of covering to provide a smoothg baby safe surface....well as baby safe as stone can be....
Please let me know you thoughts,
Aaron Ferguson
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