17 Packing, sealing and insulating materials; non-metal seals for use in the construction industry; caulking sealants, namely, sealant compounds for buildings; stuffing materials, namely, stuffing of rubber or plastic; sealants for building joints; expansion joint fillers; sealant compounds for joints; jointing sealants for pipes, namely, pipe joint sealant; chemical compositions for repairing leaks, namely, adhesive sealants for general use; duct tapes; caulking materials; non-metallic seals for sealing buildings; insulating waterproofing membranes; plastic film, other than for wrapping, namely, plastic film for use in sealing, weatherization and insulating of buildings; viscose sheets other than for wrapping, namely, viscose sheets for exterior and interior building insulation; sheets of reclaimed cellulose other than for packaging, namely, cellulosic film for commercial and industrial use; insulating paper, namely, flame retardant paper used to insulate buildings; polyurethane films for use in sealing and insulating of buildings; rubber sheets for insulation; foam sheeting for use as building insulation material; plastic sheeting used in the construction industry as a vapor barrier; vapor-barrier films of plastic; steam-proof laminated films, namely, laminated vapor barriers; foils of metal for insulating; metal foils for building insulation