[Class : 19] Waterproofing System Comprised Of Non Metal Wall System Elements Designed To Prevent Entry Of Moisture And To Prevent Growth Of Mold, Non Metal Sump Reservoirs And Drain Sold As A Unit For Use In The Construction Of Basement Waterproofing System, Drains, Not Of Metal, For Use In Construction Of Basement Waterproofing System, Non Metal Drains And Trenches For Use In Construction Of Basement Waterproofing System, Bituminous Products In The Form Of Membranes For Waterproofing, Waterproofing Membranes For Roofing, Floors And Walls, Polymeric Bitumen Emulsion For Waterproofing Buildings, Flashings (Non Metallic ) For Waterproofing Buildings, Waterproofing Boards (Non Metallic ) And Cementitious Waterproofing Coatings Included In Class 19.