Gather grout, grout float, bucket, sponge, clean water, microfiber cloth, and grout sealer if needed
Ensure tile adhesive is fully cured before grouting
Remove tile spacers and clean joints of dust and debris
Mix grout according to the manufacturer’s instructions
Let the grout slake if required, then remix
Apply grout diagonally across the tile joints with a grout float
Press grout firmly into all joints
Remove excess grout by holding the float at a diagonal angle
Wait for the grout to firm up slightly
Wipe the tile surface with a damp sponge using light, circular motions
Rinse the sponge frequently and avoid pulling grout from the joints
Repeat wiping until the tile face is clean
Allow a light haze to dry on the tile
Buff the haze off with a dry microfiber cloth
Let the grout cure for the recommended time
Apply grout sealer if the grout type requires it
Caulk changes of plane and corners with mildew-resistant silicone caulk