Color Seal II™ is a membrane forming acrylic co-polymer sealer which is sprayed-on fresh colored concrete as a curing compound. It is used instead of water curing or plastic curing sheets which can discolor the slab. Color Seal II™ Keeps water in the slab while it cures which helps prevent cracking and optimizes final hardness. It also dust proof and seals the surface to protect against water damage and most stains. It is semi-transparent and tinted in 40 different shades to match our color card for integrally colored concrete.