Bond It 10kg Self Levelling Compound Levelmaster Floor Cement Screed Concrete Bar Description: A one part, cementitious, chloride/protein‐free, levelling compound. When mixed with water it provides a smooth, level base for most common internal floor types such as concrete and sand/cement screed. Conforms to EN 13813 CT‐C16‐F4. Benefits: u Self‐smoothing. u Accepts foot traffic after 3‐4 hours depending on temperature and humidity. u Preblended, requiring only the addition of water. u Single pack and easy to use. u Can be applied up 6mm thickness. Uses LevelMaster STANDARD is an ideal underlay for levelling most common internal subfloors prior to the installation of floor coverings. Note: Not suitable for use with under floor heating installations or areas subject .