You need to

There is a wide range of leveling self -leveling compositions in the building materials market. Knowing the characteristics of the floor in the room, you need to select a mixture with suitable parameters. The mixture of the Knauf Boden series is in demand due to the quality and cheapness. The peculiarity of this building material is that it contains not only chopped gypsum, but also quartz sand that makes the surface stronger, and polymer additives to increase the plasticity of the surface and its wear resistance.