Tim,
I have a question concerning slate flooring I have installed the flooring and am wondering what grout would be best? Sandless or Sanded? I had also read your instructions and you say it is best to put down a sealer before grouting is this necessary and does it need to be sealed again after?
Thank you,
Debbie
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Sanded grout is always used on joints larger than 1/8 inch in width. The grouting process removes or partially removes the grout-release sealers so you mush reseal after the slate is grouted and perfectly clean.
Tim Carter
www.askthebuilder.com
W3ATB