Rapid Level CT 3220 is a very fast setting smoothing and levelling compound designed for use on new and existing floors in commercial and domestic environments. It is a grey powder consisting of special cement with rapid setting and hydration together with graded silica sands, resins and special additives, according to a formula developed in the MAPEI Research and Development Laboratories. Mixed with water, Rapid Level CT 3220 becomes a highly fluid and easily workable mortar that is self-levelling and dries extremely quickly. It can be applied up to 20 mm per coat without shrinkage, cracking or crazing, and develops very high compressive and flexural strength, in addition to resistance to indentation and abrasion. What’s special about this product? > Fast setting > 3-20mm in one application > Install tiles in just 45 minutes > High compressive strength