If this is a 50 year old terrazzo floor what you are probably seeing is the results fro years of stripping and waxing and the cement is actually now below the marble chips. This is common in old terrazzo.
I would recommend starting at least a 50 grit diamond, this will cut the marble chips down to the cement and remove that orange peel look.
If the texture is extremely bad you may need to start with metal diamonds
John E Freitag
The Stone & Tile School
2 days ago I looked at a terrazo floor installation, about 50 years old. I set up a time to do a demo but I have a small concern. In the past, when I have used the diamond imbedded pads to hone terrazo, the floor surface does not look perfectly flat. It has an "orange peel " look about it, i.e. the floor does not look smooth but has a rough finish, in spite of the shine produced. What can I do to avoid this from happening?
Santa Fe Floor Care
On Sep 19, 2012, at 8:30 PM, john jackson wrote:
my Lavina goes up to 1400 rpm..we hone at 400 rpm, then raise it to 800 rpm once we start polishing..800 grit and above we crank it, all done wet..We are doing mostly commercial so dont have to tape. If there is a chance of damage, we hold a thin sheet of plexi glass to prevent any splashing..the lavina doesnt splash really anyway, unless the floor is uneven. i used the 20 in lavina.
I recall from past message feeds that a lot of you liked using higher rpm machines when polishing terrazzo. How high of an rpm do you recommend?
Stone Maintenance Inc.
In HIS grip
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