Mapei Ultratop Self-Leveling Concrete Topping - 50 lbsHigh Performance, Self Leveling Concrete Topping Ultratop [NA] is a self leveling, self curing, sealed or polished topping that is specially formulated for fast track resurfacing of horizontal wear surfaces. Fluid self leveler; easily installed from 1 4" to 2" (6 mm to 5 cm) neat Quickly hardens within 2 to 3 hours and is ready to accept stains, sealers or coatings within 24 hours High compressive strength Ultratop [NA] can be extended with decorative