Building material composition, in particular of the waterproofing material without bitumen

Composition of construction material, in particular of the waterproofing material without bitumen, where lacomposicion building material contains - at least one polymer or dispersing well a dispersible polymer powder used in particulara base preferably polymers redispersible in water emulsion, - polystyrene particles, - hollow ceramic microspheres, - synthetic hollow microspheres and - optionally at least one binder means