Mortar for building; sheathing boards, not of metal; drywall; wainscotting, not of metal; wood siding; slates for cladding walls; cladding, not of metal, for building; coverings for ceilings, not of metal; wallboards of plastic; wall panels, not of metal; gypsum wallboards; ceramic tiles for flooring and lining; ceramic tiles for flooring and facing; building materials, namely, stone veneers; wall claddings, not of metal, for building; fiber cement siding; flooring or wall claddings of synthe...