The Rapid Set True SP Self-Leveling Architectural Topping is a hydraulic cement-based, topping that can be ground and polished to expose sand, resulting in a salt and pepper finish for polished and decorative floors. The topping maintains workability for up to 20 minutes and is ready for foot traffic in two to three hours. Polish wet or dry after 24 hours at normal conditions. Get a dense surface with high bond strength that can achieve high gloss and distinctiveness of image (DOI). TRU SP is available in both natural and gray.