Gather grout, grout float, bucket, sponge, clean water, and microfiber cloth
Make sure tile adhesive is fully cured
Remove spacers and clean debris from joints
Mix grout according to the manufacturer’s instructions
Let the grout slake if required
Mix again before use
Apply grout diagonally across the tile joints with a grout float
Press grout firmly into the joints
Hold the float at an angle and scrape off excess grout
Work in small sections
Wait until the grout firms up slightly
Wipe the tile surface with a damp sponge in light passes
Rinse the sponge often and change water as needed
Shape and smooth grout lines with the sponge or finger if needed
Remove grout haze with a clean microfiber cloth after initial drying
Allow grout to cure for the recommended time
Seal the grout if the product requires sealing
Avoid heavy use or water exposure until fully cured