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Can You Walk On Tiles That Have Just Been Grouted? [Solved]
After grouting, you should wait at least another 24 hours before walking on the tile, but a longer period of 48 to 72 hours is preferable. Putting weight on tiles before the mortar, grout and sealant have fully cured can cause the tiles to shift and even break apart.
This Grouting Mistake will Ruin Your Tile Job
WARNING!
How To Grout | DIY for Beginners
Having
Preparing Tile For Grout (Grout Prep) BEFORE/AFTER
In this video