Master Wholesale Rapid Floor is a fast setting, high strength dry polymer modified mortar that is designed to be mixed with water; no other liquid additive is needed. This product is a cement-based multi-purpose floor repair and leveling compound. Master Wholesale Rapid Floor can be installed from 3" thick (with added aggregate) to a 1/16" feather- edge. Suitable for both interior and exterior applications, Master Wholesale Rapid Floor has excellent adhesion to properly prepared surfaces and is ready for traffic just 1 to 2 hours after installation, depending upon temperature and thickness. This product contains no gypsum.