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.
Place tile spacers between the tiles to allow for even rows and grout lines. Leave a quarter-inch space around the edges of the tile surface between the tile covered floor and the wall for expansion. Allow the mastic to dry overnight. Remove the tile spacers and grout the tiles.Spread the grout over the tile using a grout float to push the grout firmly into the joints between the tiles. Wipe the surface of the tiles with a damp sponge to remove the excess grout from the tile surfaces.Wait two hours and then go over the surface of the tile with a clean lint-free cloth to remove any remaining grout. Allow the grout to cure for 36 hours.llow the mastic to dry overnight. Remove the tile spacers and grout the tiles. Spread the grout over the tile using a grout float to push the grout firmly into the joints between the tiles.