General description The Sandstone/Natural Stone Sealer is a high-quality, clear, solvent-free acrylic impregnating coating designed to enhance the color of natural stone surfaces. This protective impregnating sealer alters the chemical structure of porous sandstone or natural stone, providing an excellent water-repellent and stain-resistant finish. Once applied, it gives a damp or slightly wet look, enhancing the original coloring of the surface. Technical specifications Volume: 5 Litres Coverage: 5 - 10 m² per litre for the first coat; 10 - 20 m² per litre for the second coat, depending on surface porosity Touch dry: 2 - 3 hours Fully waterproof: 24 hours Lifespan: Up to 5 years Application temperature range: 15° to 23°C Compatibility and accessories Suitable for: Sandstone (with exceptions), Limestone, Terracotta, Slate, Marble, and Granite Not suitable for: Kandla Grey (mid and light grey) sandstone Installation Ensure surfaces are clean, dry, and free from contamination before