In older buildings, roofing-singapore often involves addressing spalling concrete on top-floor ceilings. This occurs when moisture reaches the internal steel bars, causing them to rust and expand. The specialist must treat the underlying corrosion before patching the concrete with high-strength mortar. Finally, an external waterproofing layer is applied to stop the cycle of decay. Thi... https://kkroofspecialist.com.sg/roofing-singapore/