Is there a difference between premixed grout

edie3March 17, 2012

and the unmixed kind? Does it matter which to use? I need to grout a sea glass table top. Thanks!

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wackyweeder

Pre mixed grout contains mastic which over time can dry up and shrink. Dry grout cures by a chemical reaction started by the addition of water, similar to cement. If its premixed, there is no way thats how it works-you wouldnt be able to stop it from setting. I would never use a premix, Ive seen it fail.

    Bookmark   March 17, 2012 at 9:27PM
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Calamity_J

I have only used the premixed mastic, didn't even know they had premixed grout!

    Bookmark   March 20, 2012 at 12:07AM
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