PUBLISHER: Global Market Insights Inc. | PRODUCT CODE: 1892788
PUBLISHER: Global Market Insights Inc. | PRODUCT CODE: 1892788
The Global Marine Sealants Market was valued at USD 1.2 billion in 2025 and is estimated to grow at a CAGR of 7.2% to reach USD 2.4 billion by 2035.

Marine sealants have evolved from being a niche product to becoming a crucial component in modern maritime operations. Their importance now extends beyond basic sealing to enhancing vessel integrity, corrosion protection, and long-term structural performance. Sustainability has become a major driver in the industry, as eco-friendly and low-emission sealants are increasingly favored in shipbuilding, maintenance, and retrofitting processes. The market is further fueled by technological advancements, including hybrid polymer formulations and low volatile organic compound (VOC) systems, which meet stringent environmental standards while delivering superior performance in harsh marine environments. Regional priorities and the strength of local maritime industries strongly influence growth patterns in this market, as innovation aligns with regulatory requirements and decarbonization goals worldwide.
| Market Scope | |
|---|---|
| Start Year | 2025 |
| Forecast Year | 2026-2035 |
| Start Value | $1.2 Billion |
| Forecast Value | $2.4 Billion |
| CAGR | 7.2% |
The polyurethane-based sealants segment held a 27.5% share in 2025 and is expected to grow at a CAGR of 6.8% through 2035. Their high flexibility and excellent adhesion under dynamic loads make them essential for hull joints and deck structures. Silicone-based sealants, known for UV and saltwater resistance, are preferred for exterior applications in challenging marine conditions. Polysulfide sealants remain in demand for their exceptional chemical and fuel resistance under harsh operational conditions.
The deck-to-hull joints segment held 18.7% share in 2025 and is expected to grow at a CAGR of 6.9% by 2035. Sealants in this application must withstand dynamic stresses from constant motion, while above-waterline applications demand UV and weather resistance, and below-waterline sealing requires advanced adhesion and water impermeability for long-term performance.
North America Marine Sealants Market accounted for a 15.4% share in 2025, driven by shipbuilding activities, recreational boating growth, and investments in offshore infrastructure. The region benefits from advanced manufacturing, robust safety regulations, and a focus on sustainability, creating opportunities for high-performance marine sealant technologies.
Key players operating in the Global Marine Sealants Market include Sika AG, 3M Company, Henkel AG & Co. KGaA, The Dow Chemical Company, PPG Industries, Inc., The Sherwin-Williams Company, Trelleborg AB, Berger Maritiem, Chugoku Marine Paints, Ltd., Jotun A/S, Hempel A/S, Feynlab, Sea-Shield, ITW Performance Polymers, Bostik (Arkema Group), Wacker Chemie AG, Momentive Performance Materials, and Evonik Industries AG. Companies in the Global Marine Sealants Market are employing several strategies to strengthen their market position. They are investing in research and development to create eco-friendly formulations with improved adhesion, UV resistance, and chemical durability. Strategic partnerships with shipbuilders, maintenance providers, and offshore operators expand market reach and ensure adoption of high-performance products. Firms are also focusing on regional expansion, particularly in emerging maritime markets, and optimizing distribution channels for faster product delivery.