Warranties are a critical factor when choosing a metal-roofing-contractor-singapore. Clients should seek a dual-layer guarantee: the manufacturer's warranty covering the materials (which can range from 20 to 50 years against corrosion) and the contractor’s workmanship warranty (typically 5 to 10 years). The reputable metal-roofing-contractor-singapore stands behind their work, offerin... https://kkroofspecialist.com.sg/metal-roofing-contractor-singapore/