Is the grout cracking around these hollow tiles? Tiles may be loose or broke
bond, which is common with limestone/travertine. It depends how loose it is,
if it needs a remedy, some floors are okay for 100's of years even tho they
are hollow.

-----Original Message-----
From: Phil [mailto:phlchr@gmail.com]
Sent: Sunday, February 26, 2012 2:35 AM
To: Restoration and Maintenance
Subject: [sccpartners] Limestone floor

Hi guys i'm working on a limestone floor on the second floor of a large
building and the limestone is slowly pitting and the holes are full of
powder 12 yrs old no coatings. Most of the floor when I tap it sounds like a
dull thud not hollow but not crisp like other areas. Could this be from
vapor Or poor mix on setting? All areas are the same, two floors
I'm just cleaning and filling for now but would like to sell some testing
also. Thanks Phil  pic to follow
Sent from my iPhone
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