Gypsum for use as building materials; Drywall; Plaster for building purposes; Patches for repairing drywall; Wood tar; Expansive grout used to break rock and concrete; Rock materials used in building flooring, roofing, countertops, walls, cladding and fireplaces; Aviaries not of metal; Patching compound made of a tar base; Adhesive patches for repairing non-metal window shutters