UniBond Ultra Force contains fibre technology for ultimate durability. This wall tile grout is a quick and ready to use waterproof grout for interior ceramic, porcelain and mosaic wall tiles. The triple protection system repels and prevents mould. The revolutionary slow release anti-mould fungicide lasts more than 50% longer than standard fungicides.How to use1. Cut off the tip of the cartridge above the screw thread. Remove nozzle cap and trim nozzle diagonally to fit the joint width. Screw the nozzle onto the cartridge.2. Insert cartridge into a cartridge gun3. Pull trigger to apply the grout into the joint. Ensure grout has good contact with both sides of the joint4. Smooth off the grout line with supplied grouting tool. Remove any surplus grout immediately with a damp sponge wiping diagonally across the tiles5. Allow the grout to dry for 24 hours then polish with a clean, dry cloth