Tony,
I know that limestone well-it is soft.
We completed this summer 3200 sf of travertine exterior patio that had hundreds of holes from dislodged poly fills.
We used traverfill which worked well and will hold well. I don't see a reason to grind your limestone unless the surface feels rough. If it does I would use copper bonded pads( starting at 120g)then go to resins possibly 100g and up from there.
Check the wear on the resins as the limestone could trash them. If that happens run coppers up to 220 and then transition to resins.220 or 400. We finish these type jobs with vortex pads or something similar to create a uniform honed finish.
If you get any frames you can run a coarse fiber pad to remove. I almost forgot-the nice thing about traverfill is you can cut it off with 220 resins. If you work with epoxy which is great outside but if you have a lot of holes it will take more time to work.
The traverfill may blend better but those little brown specks are hard to replicate.
One more thing if you need better colors just use any unsanded grout and super latex from latticrete.
We left some on a floor we were testing for a month and it cures very hard.


On Sun, Nov 10, 2013 at 5:08 PM, Tony Warney <tony@excelstoneandtilecare.com> wrote:
Thanks Bernd, what did you use to grind the stone?



On Sat, Nov 9, 2013 at 12:01 PM, Bernd Wessler. <Bernd@srsdetroit.com> wrote:

In the past I've taken some of the same limestone as needs filled, ground it to fine & course dust. Mix plenty of that with epoxy to look like stone. Add color if needed. When hardened it resembles the stone and grinds just like it. 

Sent from my Galaxy S®III



-------- Original message --------
From: Tony Warney <tony@excelstoneandtilecare.com>
Date: 11/08/2013 3:32 PM (GMT-05:00)
To: Stone and Tile PROS Technical Support <sccpartners@stoneandtilepros.com>
Subject: [sccpartners] Limestone Outside


Does anyone have any suggestions for filling and restoring this limestone floor.  It is outside at a house that is directly on the beach.  No maintenance has been done to the stone.  Any suggestions would be appreciated.

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Tony Warney
Excel Stone and Tile Care

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Tony Warney
Excel Stone and Tile Care
760-788-9400

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