A common misconception about metal roofing, particularly in a high-rainfall environment like Singapore, is that it will be excessively noisy during a downpour. In a professional installation, this is successfully mitigated. The proper installation of acoustic insulation (high-density mineral wool or specialized batt insulation) below the metal panels, coupled with a solid decking mate... https://kkroofspecialist.com.sg/metal-roofing-singapore/