Make repairing large holes and spalls easier than ever before. The new concrete saver pourable concrete patching compound has a fiber reinforced, easy to mix, pourable material for quick repairs to level concrete surfaces. It will accept heavy traffic including forklifts only 2 hr after application. Rust-Oleum® Concrete Patching Compound, Concrete Saver Pourable, 55 lb, 0.5 cu-ft Coverage, Gray, 200 °F Flash, 8 min Working Time, Bonds To: Concrete, Composition: Crystalline Silica/Quartz, Portland Cement, Titanium Dioxide,