Resumen
Procedure for obtaining a gypsum-based construction material. The process of the invention consists in mixing plaster with extruded polystyrene residues and water, the extruded polystyrene residue being previously incorporated in a crushed and sieved form to the water and then the plaster. Carrying out a kneading for two minutes to obtain a usable mass in the construction, so that depending on the percentage of addition of the extruded polystyrene waste, the material can be used in different applications. (Machine-translation by Google Translate, not legally binding)