High-rise rooftops face relentless weather, from scorching sun to torrential rain—and without waterproofing, moisture intrusion can corrode steel reinforcements and weaken concrete, threatening structural integrity and occupant safety. Beyond protecting beams and slabs, a watertight roof shields interiors—preventing stains, peeling paint, and costly mold remediation. It also preserves insulation performance, reducing HVAC strain and slashing energy bills in hot climates like Dubai . Critically, proper waterproofing maintains property value, meets building-code mandates, and safeguards insurance coverage—making it an indispensable, long-term investment for any tall building.