Roll On Rock provides a multicolored appearance resistant to hot tires, salt, oil, gas, and other chemicals. The 100% polyaspartic clear topcoat contains 72% solids with a walk-on time of two hours. Use 5108 for temperatures between -30° F to 100° F degrees. The 4195 wicking epoxy can dry in one hour with the best adhesion to concrete (three times better than standard epoxy). Roll On Rock allows you to complete all steps in just four to six hours. Versatile Building Products. 800-535-3325.