Are Granite Surfaces Sealed. You can regularly check the integrity of the sealed surface using this simple water test. True a sealant only buys you time unattended spills will seep into. Pour the water on the surface of 3 inches in diameter and let it sit there for 30 minutes.
Actually no most granite countertops do not need to be sealed and in some cases sealing can cause damage. The proper penetrating or impregnating sealer will soak into the granite filling the porous gaps to keep damage at bay.
Having said all of that you need to keep in mind that not all granite surfaces require sealing.
Your countertops can still be damaged or stained even when sealed. Your countertops can still be damaged or stained even when sealed. This spray sealer can be used for granite quartz marble and other types of natural stone surfaces. The water based sealer penetrates deeply into the porous surface of your granite countertop and creates a bond with the stone.
