The polyvine stone brick protector is a high performance water based masonry protector and water repellent it resists grease oil acids alkaline and salts by forming a moisture barrier that seals off the surface dries to a dead flat finish which retains the natural look of the substrate protection of the surface begins immediately after application and is complete in approximately 24 hours do not use in temperatures below 5c40f or in very high humidity stone and brick protector should be used