A non-negotiable step for any professional metal roofing Singapore contractor is the robust management of corrosion. Before any color topcoat is applied, especially on older roofs, the contractor must address rust. This involves mechanical removal (grinding or wire brushing) of loose, flaky rust, followed by the application of a chemical rust converter or an anti-corrosive primer. Rep... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/