This stress will be tensile during temperature decrease, or compressive. during temperature increase. If the compressive stress level exceeds the column buckling resistance of. the restrained length, then lateral buckling (or snaking) will occur.
Dry Time. In most cases, you should allow the grout to dry overnight before using that room as total dry time may take up to 24 hours. If you are thinking about sealing your grout after you have installed it, you need to wait even longer than that so that all of the moisture has had time to be released.
Grouting Bathroom Floor Tile. 1  1. Pull the tile spacers out from between the tiles before adding grout. 2  2. Scoop some grout onto the file floor with a trowel. 3  3. Wait at least 2 days for the grout to cure before sealing it.