[Class : 1] Adhesives And Chemical Compositions For Use In Construction, Chemical Compositions For Injection Into Building Structures, Chemical Products For Use In The Manufacture Of Building Materials, Chemical Sealing Grout For Use In Construction Industry; Chemicals For Use As Additives In Building Materials And For Waterproofing Concrete, Coatings, Chemicals And Compositions For Preserving, Weatherproofing And Waterproofing Cement And Concrete, Protective Coatings For Waterproofing Surfaces Of Buildings, Sealing Compounds For Use In Building [Chemical], Structural Adhesives, Synthetic Resins For Use In The Treatment Of Surfaces Of Buildings, Adhesives For Waterproofing, Cement Waterproofing Preparations, Coatings For Waterproofing [Chemicals Airconditioning. (Hvac ) Systems, Insulation Coating Used In Airconditioning Ducts, Coating Used For Thermal Insulation In Centralised Ac Duct