We treat terrazzo optionally as if it were marble-hone to 800 then polish, or like concrete-hone to 800, then 1500 grit Monkey pad (dry on a high speed burnisher) and THEN two light coats of Surelock sealer (ameripolish) and then 3000 grit monkey pad on a high speed burnisher. The difference is, the first option tends to polish the marble more than the matrix and the result is a slightly oatmeal texture. The second approach renders a glassier surface. I actually like the first approach better because it is more interesting to look at and highlights what terrazzo is all about to me, but beauty is in the eyes of the beholder. To get a much more textured look, try monkey pads only to 800 and then polish. The monkey pads tend to cut the matrix a trifle more than the aggregate. I think. I always ask the customer what they want the terrazzo to look like. if they say "I trust you", I go with honing to 800 then polish (density at 100 or 200). I have been using my Klindex with the planetario for these jobs because it is so efficient and faster. You can also polish and then apply the surelock and then burnish for a super glossy slightly textured surface. By the way, if the objective is to achieve maximum glassiness, where the aggregate and matrix are perfectly even, I would experiment with cutting with higher grit diamonds up to 3000, then seal and burnish. More work. 

On Thursday, September 20, 2012, CJ Crow wrote:
John Jackson and Stuart, what Lavina machines do you use? Do you only use them for concrete and terrazzo or do you use them on other surfaces as well?

Thanks,

C.J. Crow
Stone Maintenance Inc.
In HIS grip
Sent form my iPhone

On Sep 19, 2012, at 8:32 PM, stuart rosen <mail@stoneshine.com> wrote:

We have a Lavina as well-works great on terrazzo and concrete.
Need good 220 power to run it.
Of course with any machine there are always pros and cons but Lavina makes a nice machine.
I don't use it on marble jobs very often-It isn't rigid enough
It has flexible heads which follow the contour of terrazzos and concrete floors.
We like swing machines for marble jobs 

On Wed, Sep 19, 2012 at 8:30 PM, john jackson <kcstoneguy@yahoo.com> 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.


From: CJ Crow <cjcrow@stonemaintenanceinc.com>
To: Stone and Tile PROS Technical Support <sccpartners@stoneandtilepros.com>
Sent: Wednesday, September 19, 2012 3:00 PM
Subject: [sccpartners] Terrazzo

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?

Thanks!

C.J. Crow
Stone Maintenance Inc.
In HIS grip
Sent form my iPhone
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