Roof waterproofing and repair combines sealing existing leaks with long-term protection against rain penetration. The process starts with thorough cleaning of the terrace, removing dirt, algae, and loose material. Cracks are opened into V-grooves, filled with flexible polymer-modified cement or polyurethane sealant, then primed. Multiple coats of high-build elastomeric acrylic coating... https://shakuraconstruction.sg/services/roof-waterproofing-and-repair/