The Essential All Stone Sealer Color Boost is a professional-grade sealant for natural stone on the outside. Above all, it guards against stains and soiling, such as dirt and grime. Furthermore, the color-boost formula enhances the natural colours of the stone in a subtle way. It is appropriate for all natural stone types, such as sandstone, limestone, slate, granite, and others. On textured and riven surfaces, the coverage averages 4-6 square metres per litre. On smooth, honed, or polished surfaces, up to 15sq metres per litre. Available in 5L and 25L. HOW TO APPLY: 1. Remove any loose debris from the work surface before beginning your work, and make sure you have adequate personal protection, such as gloves , proper protective eyewear , a face mask , and appropriate clothing. 2. Before applying the product, make sure the surface is completely clean and dry. Ensure that weather conditions are suitable to use this product. 3. Apply the first coat of Essential All Stone Sealer Colour Boost with a low-pressure sprayer , roller , natural fibre brush, or sponge . Do not dilute the product! 4. Using a low-pressure sprayer, roller, natural fibre brush, or sponge, apply the first coat of Essential All Stone Sealer Colour Boost. Do not, under any circumstances, dilute the product! 5. Repeat the process after 45 to 60 minutes. Above all, it is critical to keep the stone surface completely dry during the curing process, which can take up to 72 hours. PLEASE NOTE: When this product is applied, the colour and/or appearance of the stone will change. As a result, always test the product in an inconspicuous area before using it. Masking tape can be used to protect any surfaces that are not to be sealed.