The repair of balcony and terrace waterproofing systems, which are technically horizontal roof slabs exposed to weather and foot traffic, often falls under the expertise of a specialized contractor, as these areas are common sources of leakage into the living spaces below due to the failure of the membrane beneath the tiles or screed. Repair options include either localized PU inject... https://kkroofspecialist.com.sg/roof-leak-repair-singapore/