Using thinset as grout


Old 03-03-06, 07:37 PM
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Using thinset as grout

I'm going to grout the ceramic floor tile on my hearth with the same thinset I set them with. This O.K? I built up the hearth area with 4 layers of 1/2" cementboard on top of a wood floor. What's best to trowel over the exposed cut edges of the backer with, to finish the edge of the hearth - thinset, mortar, grout? Would a 1/16" spacer between floor & whatever I trowel the edge in with be a good idea, to prevent direct contact with the wood floor?..... Thanks!

Last edited by fuddy; 03-04-06 at 07:15 AM.
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Old 03-04-06, 06:20 PM
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Not a great idea to use thinset as grout, that's why they make grout, also, why on earth did you use that many layers of CBU, it does nothing for strength.

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