From basements to tunnels and water tanks, below-grade structures are among the most vulnerable to water ingress. Liquid waterproofing membranes are emerging as the top solution for these critical applications.

According to Stratview Research, the liquid waterproofing membrane market is estimated to grow at a healthy CAGR of 5.6% during the forecast period 2023-2028, reaching a value of US$ 12.7 billion by 2028.

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Drivers

• Underground Infrastructure Growth: Subways, tunnels, and water storage facilities are multiplying globally.
• Flood Management and Resilience: Cities are investing in waterproofing systems as part of climate adaptation.

Challenges

• Groundwater Pressure: Requires high-performance membranes with crack-bridging capability.
• Application in Confined Spaces: Safety and accessibility concerns impact large-scale projects.

Opportunities

• Dual-Purpose Membranes: Offering both waterproofing and radon/methane barrier properties.
• Government Subsidies for Resilient Infrastructure: Favor the adoption of advanced waterproofing technologies.

Trends

• Use in Water Retaining Structures: Pools, tanks, and treatment plants prefer liquid systems for flexibility.
• Bitumen-Modified Systems: For cost-sensitive, performance-critical below-grade needs.

Conclusion

As urban growth pushes construction below ground and into high-risk zones, liquid waterproofing membranes will remain critical to building durability and human safety.