Structures. From emergency patches to full waterproofing, services cover cleaning, sealing, tile replacement, and advanced PU/torch-on systems. Expect $4–$10 per sq ft for coatings; total jobs $500–$5,000+ based on scope. Leading providers: The Roofing Specialist, HighTech Roofing, and Sinhao E&C offer 24/7 support, honest pricing, and proven results. Choose BCA-registered pros for du... https://shakuraconstruction.sg/services/roof-leakage-repair/