Pen Shield Supreme is a solvent based, enhancing, hybrid Acrylic/silane siloxane based impregnating sealer used to protect concrete, concrete pavers, sandstone, limestone and brick from the damage caused through water and oil borne contaminants. Pen Shield Supreme should not be used on natural stone surfaces.
Pen Shield Supreme provides a long lasting protection while enhancing the look of the original product. A test sample should always be prepared and allowed to cure prior to proceeding.