In older concrete structures, roof-repair-singapore often involves treating spalling concrete on the roof slab. This occurs when water reaches the internal steel bars, causing them to rust and expand. The specialist removes the damaged concrete, treats the steel with a protective primer, and applies a high-strength repair mortar. Finally, they apply a new waterproofing layer to the ex... https://kkroofspecialist.com.sg/roof-repair-singapore/