Essential Sandstone Sealer Satin Finish is a high-quality sealer for natural sandstone surfaces. The non-toxic, environmentally friendly formula acts as a protective sealer that leaves a long-lasting, clear satin finish. As a result of this, it offers high-quality protection that keeps stains and overall grime and dirt from penetrating the surface, making it easier to clean and maintain. Further to that, Essential Sandstone Sealer Satin Finish dries quickly and is simple to apply. The coverage varies depending on the surface porosity, but the average coverage is 4-6 square 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. To be more exact, the surface must be completely clean and dry. So, before you begin working, make sure the weather is generally favourable! 3. Using Essential Sandstone Sealer Satin to seal the sandstone. Apply a thin, even coat with a low-pressure sprayer , microfiber mop , paintbrush , or soft cloth . Be care not to leave application traces on the surface or to enable the product to puddle. Do not dilute. 4. Allow 45-60 minutes for drying prior to actually applying the second coat and repeating the process; reapply in the opposite direction to help achieve an even and consistent finish. If multiple coats are required to achieve the desired "gloss" finish, they should be applied. PLEASE NOTE: Some surfaces may change color/appearance after using Essential Sandstone Sealer Satin Finish; always test the product in an inconspicuous area first. Masking tape should be used to protect surfaces that will not be sealed. Also note that this product is not suitable for Kandla Grey (mid and light grey) sandstone.