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Polyurea spray coatings cure within seconds, offering seamless membranes with elongation exceeding 500%. New formulations now include UV stabilizers for long-term outdoor exposure. A major bridge renovation project in Guangzhou used a polyurea system that reduced application time by 70% compared to traditional bitumen membranes. Industry analysts predict the polyurea segment will capture 25% of the global waterproofing market by 2027. Training programs for applicators are expanding to ensure proper surface preparation and thickness control.