Aerosol-based sealing and duct diagnostic services for air conditioning and heating duct systems in residential and commercial buildings; advisory, consultancy and information services in relation to the foregoing including such services provided on-line

Air conditioning apparatus installation and repair

Gypsum; gypsum mortar; building materials in the form of foams having sealing properties; building materials, not of metal; non-metallic building materials; plaster components for use in building; plaster compositions for filling defects in building surfaces; plaster compositions for use in building for filling cracks; plaster compositions for use in building for filling holes; substances for filling (non-metallic building materials)