Cost effective water based Siliconate penetrating concrete sealer and masonry water repellent sealer. Used to seal concrete driveways, paver patios, brick walls, concrete floors, and basement waterproofing. Commonly used as a concrete water repellent sealer, masonry water repellent sealer, brick and mortar sealer, and driveway sealer. The Armor SC25 is a clear, breathable, matte concrete sealer offering a non slip finish.