... insulation, long service life Aluminum foam with marble, as a new soundproof, waterproof flooring boards, , and sound insulation matereials, is ... . Property Superior sound absorption abilities Much lighter than MarbleUsed for new construction. repair works - No effect to the weight of ... performance in processing various stones and can be applied to granites, onyx and travertine. Size: 500*500*11mm(8+3) ...