Bostik Cementone Cempolay Deep Levelling Compound 20kg is a high-performance, self-smoothing flooring compound designed for levelling uneven concrete, sand/cement screeds, and other solid subfloors. Suitable for both commercial and domestic use, this deep levelling compound can be applied at thicknesses from 5mm to 50mm in a single application, delivering a strong and even base for floor coverings. The rapid-setting formula allows for foot traffic within hours, making it ideal for fast-track projects where time is critical. Bostik Cementone Cempolay Deep Levelling Compound offers excellent adhesion properties and is compatible with underfloor heating systems.