Sofa Cleaning In Bangalore Mechanized cleaning and extraction process for upholstered sofa. 3-Steps Process Followed for Fabric Sofa : Step 1 Dry Vacuum to extract loose dust. Step 2 Applications of Chemical Foam & Scrubbing. Step 3 Extraction of moisture & residual dirt. 2-Steps Process Followed for Leather/Leatherite Sofa Polishing : Step 1 Dry vacuum to extract loose dust Step 2 Recondition with cream/wax and buffing