Mixture for building purposes, in particular for the expansion of new and old buildings and method for producing building boards and structures from this mixture

摘要

The invention concerns a method of producing a screed, using a mixture which is mixed with water to give a pourable screed compound which can be smoothed flat, the mixture consisting of 50 to 90 % by vol. of rigid expanded-polystyrene granules with a diameter lying between 0.5 and 50 mm and 10 to 50 % by vol. of synthetic-resin mortar, the compound being spread on a bed, smoothed flat and allowed to cure to give a fluid-permeable layer.