Vetotop CL531 is a single component polymer modified cementitious floor self-leveling underlayment composed of hydraulic binders, selected aggregates, and special additives. It is supplied as a dry powder in pre-weighed bags ready to use on-site; once mixed, it will form a cohesive self smoothening honey-like flowing mortar that is applied in thicknesses between 8 and 20mm, giving a super flat finish ready to receive final floor coverings including tiles, carpets, resinous flooring systems, parquet, ...etc.