QL202 levels from 1/8" up to 1", delivering smooth, even surfaces with minimal effort. Its rapid drying technology means most flooring can be installed in as little as 2 to 4 hours, keeping your schedule on track. Designed for interior use only, QL202 performs reliably even in high-moisture environments—up to 99% RH. Each 50 lb bag is packed with performance, making it ideal for both small and large-scale applications. PrepWorx QL202 – fast, efficient, and ready when you are.