Planiprep SC is a high-performance, polymer-modified, fiber-reinforced cement-based skimcoating and patching compound. Use Planiprep SC to skimcoat and smooth minor surface variations and defects on common substrates. Planiprep SC creates a strong, durable surface ready for almost any floor application. Its unique formulation mixes easily with water and produces an easy-to-apply patching compound. Rapid-setting Planiprep SC allows for fast-track flooring installations in 30 to 60 minutes after application, depending on thickness and environmental conditions.