Use a dip around 220 like a vortex red dot
Then clean joints and vacuum
Use 400 resin for good hone
Vacuum and clean
Dry
Polish with you fav product

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> On Jun 22, 2017, at 6:39 PM, csantospago@gmail.com wrote:
>
> Hi partners,
>
> New construction condo complex in Boston with this "Earth Gray" marble polished floors.
> Around 100 floors total that will need post construction restoration. They were not protected after install and they got trashed.
> I've done three or four so far and it's a nightmare to do these. They used LatiCrete Perma color silver shadow grout and I'm not sure if this lightly sanded grout is causing scratches during the restoration process.
> This material scratches so easily and the scratches are white and very noticeable.
> I'm starting at 120 and going up to 800 and then using a polishing compound with hog hair pad.
> I check after each step to make sure everything's going well and when I finish 800 I notice circular and linear scratches. Which leads me to think some are coming from the machine and some are coming from the vacuum. I am ending up doing this floor two or three times chasing scratches.
> Anybody have any experience with this material?
>
> Thank you,
> Chris Santospago
> Restoration by design stone
>
>
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