RAINSTOPPER® 250 Silicone Acrylic Concrete Stain is a water-based modified acrylic resin designed to provide a long-lasting color-toning finish to concrete and masonry surfaces.
 
RAINSTOPPER® 250 Silicone Acrylic Concrete Stain provides aesthetic staining, water repellency, chloride ion intrusion, and greater depth of color while allowing moisture and vapor transmission.
 
It is specially formulated to provide resistance to alkali, mildew, calcium chloride, and ultraviolet degradation.