CEMENTATIOUS SELF LEVELLING MORTAR PRIME LEVEL R-7 is a cementitious self levelling compound used for levelling of floor before application of tiles or any modern flooring systems. It helps to avoid any surface irregularities. Application For levelling uneven floors on -Concrete -Mortar -Prefab floors etc. Coverage 2Kg/m2 at a thickness of 1mm. Color Grey Standards BS : 890 Product Code R 7 Packaging 20 Kg bag. Shelf Life 12 Months from the date of production