- 50/50 Aromatic blue black with sunburst design in 33's beige red and black - 100% Blue to advantage About Robertson Recreational Surfaces: Our commitment to our customers is that our products and services will meet or exceed ASTM and IPEMA certifications for safer recreational surfaces. Robertson also promises forthright customer support, credible installation services, and dependable maintenance solutions that will provide peace of mind before, during, and after our work is done.