Miracle Sealants 511 Impregnator Penetrating Sealer 64 Oz. Penetrating Sealer (2 Quarts) + Free Mira Brush Applicator and Tray Miracle Sealants 511 Impregnator is the original penetrating sealer designed for the protection of all medium to dense porous surfaces Forms an invisible barrier that is resistant to moisture and stains while allowing vapor to escape Not a surface coating and will not alter the natural look