precast construction building walls materials 1.Description 4mm fiber cement board as face board; Cement and EPS beads as core; Light weight solid composite wall panel; 2.SizeLength: 2270mm, 2440mm, 3000mmWidth: 610mmThickness: 50mm, 75mm, 100mm, 120mm, 150mm 3.Performance index Items Product size(mm) 50 75 100 ..