A solution based on limestone and gypsum in the construction sector is used mainly in order to hide defects of various sizes and this solution for leveling brickwork or plaster this is considered the best. The floor of the unit or a third of the gypsum is taken for one part of limestone. This solution is prepared within two minutes, it should be used quickly due to the fact that it hardens very quickly — warm lime and gypsum quickly drying during heat is always mixed in small proportions.