17
Drywall joint compound, pipe joint compound, sealant compounds for joints and wallboard joint compounds
19
Rigid pipes of polypropylene for the supply of drinking water and heating and air conditioning systems in houses, office buildings and industrial buildings; building materials, namely, plastic pipe supports; asphalt for building purposes; tar and pitch; bitumen; building materials, namely, concrete-based slabs made using recycled glass; building materials, namely, manufactured brick veneer for use on interior and exterior walls, floors and surfaces, patios, poolsides and driveways; building materials, namely, fly ash; building materials, namely, cellular PVC trim; building materials, namely, wall, hardwood, decking, wood and particle boards; semi-worked wood; building material, namely, plastic webbing material used to reinforce bituminous waterproofing sheets; non-metallic transportable buildings; non-metallic transportable constructions; monuments of stone, concrete and marble; sound deadening gypsum wallboard; gypsum and gypsum tiles