Not to mention potential staining-grout first.
Good luck grouting that floor-Joints are under a 16th of an inch-You should note that in your contract.
I think Fred would agree that is a failing installation.
Cut them new grout lines-

On Fri, Oct 31, 2014 at 8:45 AM, Pat Staples <cpstaples@msn.com> wrote:
I would grout it first
----- Original Message -----
From: Dayron
Sent: Friday, October 31, 2014 8:33 AM
Subject: Re: Penthouse sundeck

No grout yet on floor

Sent from my iPhone

> On Oct 31, 2014, at 8:12 AM, Randy Frye <rfrye@comcast.net> wrote:
>
> Always. Grind flat, bring up to 200 resin, float the floor and give 12 to 14 hrs set up and continue to final finish.
> Good luck.
>
> Best Regards,
> Randy Frye, CEI Surface Pros
> www.ceisurfacepros.com
> 239-253-1991
>
>> On Oct 31, 2014, at 6:30 AM, Dayron <dayron.padilla13@gmail.com> wrote:
>>
>> Hey gang I have 3500 sq ft of a penthouse sundeck which has lippage all over it limestone. I'm afraid if my grind is to aggressive will open little pin holes has this ever happen to you ?  
>>
>>
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Stu Rosen
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