- Ensure that the grout joints are clean, dry and free from dust.
- Working in small areas at a time, press the grout into the joints with a grout float.
- Smooth off the grout line with a grouting tool and remove any surplus grout immediately with a damp sponge wiping diagonally across the tiles.
- Allow the grout to dry for 24 hours then polish with a clean cloth.
To maintain a mould free grout wash regularly with a fungicidal cleaner.