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Can You Put A Thin Layer Of Grout Over Grout? [Solved]
You can apply new grout right over the top of the old grout. To do this, all you need is a grout removal tool. Use the tool to strike out the old grout, making sure the depth is at least 2mm, which is about the thickness of two dimes stacked one on top of the other.23 Oct 2020
Apply new grout over the old grout, step by step
This video made for everyone who want to apply new
Can you put new grout on top of old grout?
01:41 - When
This Grouting Mistake will Ruin Your Tile Job
WARNING!