Raeco R-25 is a two component concrete repair and topping compound consisting of a uniform, premixed blend of Portland cements and graded washed silica aggregates with a liquid latex modifier to promote lasting surface adhesion. R-25 can be used for both renovation and new construction. R-25 can be applied from feathered edge to any depth, for thickness greater than 1/2" (12.7 mm.) use appropriate aggregate. R-25 is a fine textured underlayment especially formulated for linoleum, vinyl, carpet and other finished floor products. R-25 is used for horizontal surfaces, and can be sanded to a very smooth finish. R-25 contains no gypsum, chlorides, ferrous metals or corrosive agents.