[Class : 19] Concrete Building Elements; Building Elements Of Concrete; Building Materials, Not Of Metal; Glass Roofing Tiles; Stone Roofing Tiles; Nonmetal Roofing Tiles; Roofing Tiles, Not Of Metal; Glass Tiles [Not For Roofing]; Fireproof Cement Coatings, Wood Veneers, Refractory Construction Materials, Not Of Metal; Reinforcing Materials, Not Of Metal, For Building: Reinforcing Fabrics (Non Metallic ) For Building; Bituminous Coatings For Roofing; Bituminous Products For Building; Cementitious Waterproofing Coatings; Waterproofing Boards (Non Metallic ); Flashings (Non Metallic ) For Waterproofing Buildings; Polymeric Bitumen Emulsion For Waterproofing Buildings; Bituminous Products In The Form Of Membranes For Waterproofing; Bituminous Products In Sheet Form For Waterproofing Roof Surfaces; Non Metal Drains For Use In Construction Of Basement Waterproofing System.