OverviewSpecsFAQsGalleriesResourcesReviews Product Description Tru-Block is an all-surface protector and sealer primarily intended for vertical surfaces where keeping a completely natural look matters most. Its one-of-a-kind water-based silicone formula is especially suited for decorative concrete walls, masonry, stone, rock, and other porous vertical surfaces, giving you long-term weather protection without the gloss or surface film that can take away from the finished appearance. It goes on easily, protects against weather and common spills, and can be recoated later, making it a very convenient option for maintaining decorative surfaces without changing their character. All-surface protector and sealer primarily intended for vertical surfaces Ideal for decorative concrete walls, masonry, stone, rock, and other porous vertical surfaces Can also be used on many horizontal surfaces, though that is not its primary intended use Water-based silicone formula Leaves a very natural, no-gloss finish Excellent long-term weather protection Helps protect against common spills Re-coatable for easy maintenance Ultra-low VOC Easy application Water cleanup Tru Block Surface Protector Technical Information Tru-Block MSDS Sheet Tru-Block Data Sheet