... dampproof ,mildewproof, mothproofing, soundproof, high strength, easy cutting,easy installation. Cornices Features:1) Fireproofing, dampproof ,mildewproof, mothproofing, soundproof, high strength, easy ... mend for the gypsum cornice.8) Available in plain and ornamental designs and smooth finishes decoration9) We are seeking overseas buyer ... and wall of space by concealing the junction / joint. Cornices