The warning for natural stone is the same as for regular grout. Some stones could draw out the pigment from the grout causing slight picture framing. As for all products its the same old thing test always before using. Having said that, I have used it many times on natural stone, and never had any problems. The product is very user friendly and works better than the regular grout.<br>
<br><div class="gmail_quote">On Sat, Jul 14, 2012 at 10:40 AM, Eric - DGG <span dir="ltr">&lt;<a target="_top" href="mailto:eric@dirtygroutguys.com" target="_blank">eric@dirtygroutguys.com</a>&gt;</span> wrote:<br><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote">
   Yes, they&#39;ve already installed an unsanded grout mixed with a TEC acrylic additive. But Nanogrout looks interesting. I do see a warning for contacting them before use on natural stone. Do you know what that&#39;s about?<div>


 </div><div><div class="im"> <br clear="all">Eric Lewis, Technical Mgr<div>DirtyGroutGuys.com<br>West Chester, PA 19380</div><br></div><div><div class="h5"><div class="gmail_quote">On Sat, Jul 14, 2012 at 10:13 AM, Freddie DeJesus <span dir="ltr">&lt;<a target="_top" href="mailto:info@eliteflooringandrefinishing.com" target="_blank">info@eliteflooringandrefinishing.com</a>&gt;</span> wrote:<br>


<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote"><div>Hi </div><div> </div><div>Hopefully its not to late I just saw the e-mail. I would use Nano- grout. They don&#39;t use sand in the aggregate. </div>


<div> </div><div><a target="_top" href="http://www.buildingsystems.basf.com/p02/USWeb-Internet/buildingsystems/en_GB/content/microsites/buildingsystems/products/items/Nanogrout" target="_blank">http://www.buildingsystems.basf.com/p02/USWeb-Internet/buildingsystems/en_GB/content/microsites/buildingsystems/products/items/Nanogrout</a></div>



<div> </div><div><h1>Nanogrout</h1>
<div>Nanogrout is a multi-purpose joint grout for all ceramic tile 
that can be installed in grout joints of 1/16&quot; - 1/2&quot; (1-12 mm). Nanogrout’s 
unique binding agent combination with nanotechnology provides excellent 
workability, superior ease of application and cleanability. This unique 
formulation offers temperature independent hardening properties and a surface 
which is easy to clean and is stain resistant.</div><div> </div><div><br> </div></div><div><div class="gmail_quote">On Mon, Jul 9, 2012 at 9:14 AM, Eric - DGG <span dir="ltr">&lt;<a target="_top" href="mailto:eric@dirtygroutguys.com" target="_blank">eric@dirtygroutguys.com</a>&gt;</span> wrote:<br>



<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote">   Rescuing a bad tile job for a contractor. Marble tile with quarter inch sanded grout lines. He&#39;s willing to pull out the existing grout, but the question is, what should go back in? Unsanded won&#39;t hold up that wide.<div>





 </div><div>   I forget the reason, not financial, but starting over is not an option.<br><div> </div><div> <br clear="all">Eric Lewis, Technical Mgr<div>DirtyGroutGuys.com<br>West Chester, PA 19380</div><br>
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</blockquote></div><br><br clear="all"><br></div><span><font color="#888888">-- <br><div>Wilfredo DeJesus</div><div><a target="_top" href="tel:561-350-3076" target="_blank" value="+15613503076">561-350-3076</a></div><div>

Elite Flooring Inc.</div><div>Website / <a target="_top" href="http://www.eliteflooringandrefinishing.com" target="_blank">www.eliteflooringandrefinishing.com</a></div></font></span><div><div>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br><div>Wilfredo DeJesus</div><div>561-350-3076</div><div>Elite Flooring Inc.</div><div>Website / <a target="_top" href="http://www.eliteflooringandrefinishing.com" target="_blank">www.eliteflooringandrefinishing.com</a></div>
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