... board(face panel)3.Size and Loading Detail1500-3000mm * 610mm* (60, 90,100,120,150,180mm) 4.Application : Floor & Roof System Interior ... , 3 workers can finish it within 1 day with JY sandwich wall panel, but for traditional block, it will take 7 days ... can be covered by ceramic The earthquake resistance of JY sandwich wall panel can be reach 8.5.a magnitudes.Space & Cost ...