Shake well before use. The substrate surfaces should be free of dust, dirt, oils, varnishes and waxes. Aquashield Ceramic is ready for use. Apply with brush, roller or low-pressure spray gun. In order to achieve best results and durability 2 coats are recommended, allowing 3-4 hours between each coat. One coat should be sufficient for surfaces with low porosity. Remove any excess product from surface 20 – 30 minutes after application. Surface dryness achieved 30 – 60 miuntes depending on the ambient temperature and humidity. Maximum effect is achieved 24 hours after final coat, lasting for at least 24 months.