The Roca System line of products help create durable, quality decorative surfaces. Roca Shake is a mineral-aggregate, dry-shake surface hardener; choose from 32 permanent, nonfading colors. Roca Release—also offered in 32 colors—is a colored powder designed to create an antiqued look on concrete while inhibiting buildup on stamping tools. Filling out the line are Roca Seal, a water-based cure-and-seal product; and Roca Shine, a high-gloss breathable sealer. US Spec. 800-397-9903.