Most common materials: Material Description Weight in kN/m2 U.N.O. Blockwork Brickwork Concrete Glass Steel Timber Lightweight London stock Normal reinforcement Clear float Mild Softwood 10 kN/m3 19 kN/m3 24 kN/m3 25 kN/m3 78 kN/m3 6 kN/m3 Full list… Read more »