Light weight, high strength, fire-proof, water-proof, moisture- ... . It can be reduced.2,Light weightAbout 36kg/-1/9th in weight of the traditional brick wall, ... sound-proofing, water-proofing, environmental protection, hignintensity,light quality,sound insulation,heat preservation and easy installation. Our ... for excellence.More Photos Five-proof light patition wallboard(green building materials)