The US Southeast Asia Waterproofing Systems Market is forecasted to expand significantly, driven by infrastructure development, rapid urbanization, and the increasing demand for reliable construction materials. Waterproofing systems, vital in preventing water ingress and maintaining structural integrity, are being widely adopted across residential, commercial, and industrial sectors. Companies are leveraging innovations such as eco-friendly membranes and advanced liquid-applied coatings to offer superior protection and sustainability. The growing focus on green buildings and energy-efficient construction further solidifies the market’s growth trajectory. In 2025, the market size is estimated at USD 2,735 Million, expected to reach USD 6,240 Million by 2035, reflecting a CAGR of 8.6%. The market is segmented by type into liquid-applied membranes, sheet membranes, and cementitious waterproofing, and by application into roofs & balconies, walls, basements, and others. Leading players include Sika AG, BASF SE, Mapei, Pidilite Industries, and GCP Applied Technologies, with robust strategies to capture increasing demand.