Kitchen Backsplash


Old 01-25-11, 03:34 PM
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Kitchen Backsplash

I am going to use a 4"x4" natural stone on a diamond pattern as my backsplash. I have approx 18 sqft to install. My question is should I use Mastic or Thinset? Again, this is for a kitchen backsplash. Thanks for your advice!
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Old 01-25-11, 03:46 PM
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Mastic usually works OK for a backsplash, but I prefer thinset for tile/stone, anywhere. Mastic usually requires 48+ hrs before you can grout, thinset is next day. Have lots of spacers available, regardless of the adhesive. You don't want to come back the next day and find sagging tiles, not as much of a problem with thinset.
Old 01-26-11, 07:04 AM
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I'm a mastic fan but I would not use mastic for stone. You might try an epoxy bonding mortar. EBM Lite. It has a 16 hour cure for grouting.
Old 01-27-11, 10:21 AM
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Mastic can permanently stain natural stone and should not be used. Use a white modified thinset for the backsplash. Epoxy mortar would be ok but isnt needed unless your stone is a green marble.
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