No worries,if you're still worried after giving it some time another option is to see if putting a sealer on it will uniform the colour (obviously test in a corner first)
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Discuss BAL Gun Metal Grey Drying Patchy - Anybody else had this? in the Tile Adhesive and Grout Advice area at TilersForums.com.
OK I'm going to say it. You are a professional tiler yet you have never seen grey grout dry out before? You took a photo an hour after grouting and are having a fit because "IT'S DRYING"
You have to watch using grey grout on shower walls. There is waterproof which shouldn't change colour, then there is water resistant which will.Is that the same as when the grout goes slightly darker when it gets wet in a shower and the customer thinks there is something wrong with it?!!
epoxy or cement based then?You have to watch using grey grout on shower walls. There is waterproof which shouldn't change colour, then there is water resistant which will.
Reply to BAL Gun Metal Grey Drying Patchy - Anybody else had this? in the Tile Adhesive and Grout Advice area at TilersForums.com