Ultra-Solv® is a premium grade, high performance solvent based penetrating / impregnating sealer for all interior & exterior natural stone (including around salt water swimming pools), tile & grout surfaces. Formulated to provide maximum stain protection, especially in food preparation and serving areas. This premium sealer also includes built in Microban® – Cured Sealant is Mould & Mildew Resistant. Perfect for very dense stone and tile such as porcelain and granite. Last up to 15 years.