The installation of metal-roofing-singapore requires a deep understanding of thermal expansion. In the intense heat of a typical Singaporean afternoon, metal panels can expand by several millimeters. If the fastening system is too rigid, the panels will buckle or create a "noisy" roof during temperature shifts. Professional installers use sliding clips and oversized holes to allow the... https://kkroofspecialist.com.sg/metal-roofing-singapore/