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Grouting over a sand topping mix? Answered

I'm making a mosaic panel with the equivalent of tiles that are approximately one inch deep. I'm using a sand topping mix to fill in the deep gaps but would like to use a thin layer of grout as a finish coat on top of that. How long after I apply the cement should I wait before I apply the layer of grout?

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mikeasaurusBest Answer (author)2017-02-21

It should say on the topping mix and grout the suggested application times. Since different types cure differently, I defer to the manufacturer on this one.

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