THE MOST USED MATERIALS FOR MIX The automatic screeding machines LOM106 and LOM107 can make subfloors with the above mentioned materials mixed in different combinations, provided that the final mix is semi-wet. The above mentioned materials are the most frequently used, yet not the only ones with which the automatic screeding machines LOM106 and LOM107 can be used. Sand Concrete Pre-mixed Additives Fibres   - washed - pit - river - crushed - grading 1-10 mm - 1,5-4% - quick drying - reduced weight - delaying - accelerating - fluidifying - structural synthetic.