Corrosion Under Insulation (CUI) and Spray-on Insulation (SOI) Coatings Market Size & Share Analysis - Emerging Trends, Growth Opportunities, Competitive Landscape, and Forecasts (2025 - 2032)

Corrosion Under Insulation and Spray-on Insulation Coatings Market Growth Factors

Integration of Smart Coatings with IoT-Enabled Monitoring Is Key Trend

• The CUI and SOI coatings market is witnessing a transformative trend of intelligent coating systems that incorporate embedded sensors and IoT connectivity to provide real-time monitoring of coating integrity and corrosion progression.
• This technological convergence represents a paradigm shift from traditional passive protection to active, data-driven corrosion management strategies that enable predictive maintenance and optimize asset lifecycle management.
• Leading coating manufacturers are developing smart coating formulations that integrate nanosensors capable of detecting changes in coating properties, moisture ingress, and early-stage corrosion activity.
• These sensors communicate wirelessly with centralized monitoring systems, providing facility operators with continuous insights into coating performance and alerting them to potential issues before visible damage occurs.
• Most corrosion prediction models, testing methods, and protection measures are developed based on simplified assumptions, underscoring the growing need for more advanced and sophisticated monitoring techniques.
• The adoption of smart coatings is particularly accelerating in critical infrastructure applications where undetected corrosion can lead to catastrophic failures.
• For instance, offshore oil and gas platforms are implementing these technologies to monitor assets in hard-to-access locations, reducing the need for manual inspections and improving safety.
• The data collected through these systems is being leveraged with artificial intelligence and machine learning algorithms to predict coating degradation patterns, optimize recoating schedules, and extend asset service life.
• This trend is further supported by the development of self-healing coating technologies that can autonomously repair minor damage, preventing moisture ingress and corrosion initiation.
• When combined with IoT monitoring, these systems create a comprehensive protective solution that significantly reduces maintenance costs and unplanned downtime.
• In May 2025, TEKTELIC Communications Inc. introduced LoRaWAN-based IoT monitoring for cathodic protection systems, enabling the real-time corrosion tracking of pipelines and storage tanks in remote locations, supporting predictive maintenance strategies.

Growing Emphasis on Preventive Maintenance Strategies Is Biggest Driver

• Industrial facilities worldwide are increasingly adopting proactive maintenance approaches to minimize the catastrophic failures and unplanned shutdowns associated with corrosion under insulation.
• According to the World Corrosion Organization, at USD2.2 trillion, the annual cost of corrosion worldwide is over 3% of the world's GDP, underscoring the economic imperative for effective corrosion prevention strategies.
• This shift from reactive to preventive maintenance philosophies is driving substantial investments in high-performance CUI and SOI coating systems that can extend asset life cycles and reduce total cost of ownership.
• Organizations are recognizing that the initial investment in premium coating solutions yields significant returns through reduced maintenance frequency, minimized production losses, and enhanced operational safety.
• The implementation of comprehensive corrosion management programs, incorporating regular inspections, predictive analytics, and strategic coating applications, has become standard practice in industries where asset integrity is paramount.
• Furthermore, insurance companies and regulatory bodies are increasingly mandating the use of certified coating systems that meet specific performance standards, further accelerating market adoption.
• The energy sector, in particular, has emerged as a leading adopter, as resources dedicated to the maintenance and replacement of corroded equipment could be invested in research and development, infrastructure expansion, or technology improvement, making preventive coating applications an economic necessity.

Corrosion Under Insulation and Spray-on Insulation Coatings Market Segmentation Analysis

Type Analysis

The epoxy category held the largest market share, of around 40%, in 2024, as they play an important role in protecting industrial equipment and infrastructure from corrosion and insulating them against temperature variations. Epoxy coatings are preferred because of their superior performance and reliability in demanding industrial environments. Essentially, epoxy coatings have gained traction as a dependable way to fight the corrosive effect of moisture and chemical substances that can penetrate insulation materials.

CUI happens when moisture leaks through the insulation and comes into contact with metallic surfaces. Epoxy coatings create a barrier that stops the entrance of moisture, thus effectively protecting the underlying metallic structure from corrosion. Their exceptional ability to stick to surfaces ensures that they remain in place for a long time and withstand harsh industrial environments.

The silicone category will have the highest CAGR, driven by their combination of thermal stability, flexibility, and resistance to extreme temperature cycling. The growing demand for silicone-based solutions is particularly pronounced in applications involving high-temperature equipment, where traditional coating systems may fail due to thermal degradation. These coatings have the ability to maintain protective properties across temperature ranges from −100 °F to 500 °F, along with excellent water and UV resistance. These qualities make them preferred for emerging applications in renewable energy infrastructure, advanced manufacturing facilities, and next-generation petrochemical processes.

The types analyzed in this report are:

• Epoxy (Largest Category)
• Acrylic
• Silicone (Fastest-Growing Category)

Product Type Analysis

The corrosion-under-insulation category held the larger market share, in 2024, as corrosion can lead to catastrophic failures. CUI coatings are specifically formulated to address the unique challenges posed by moisture entrapment beneath insulation materials, where traditional visual inspection methods cannot detect corrosion progression until significant damage has occurred. The dominance of this segment is attributed to the vast installed base of insulated industrial assets requiring protection, stringent safety regulations mandating CUI prevention measures, and growing awareness of the economic consequences of CUI-related failures.

The spray-on-insulation category will have the higher CAGR, driven by their dual functionality of providing both thermal insulation and corrosion protection in a single application. The increasing adoption of SOI coatings is fueled by their ability to eliminate crevices where moisture can accumulate, reduce installation time compared to traditional insulation systems, and provide seamless coverage on complex geometries. The technology's advantages in reducing energy consumption through superior insulation properties, combined with its contribution to facility safety by minimizing CUI risks, are accelerating its penetration across various end-use industries.

The product types analyzed in this report are:

• Corrosion-under-Insulation (Larger Category)
• Spray-on-Insulation (Faster-Growing Category)

End User Analysis

The oil & gas and petrochemical category held the largest market share, of about 45%, in 2024, due to the utilization of oil & gas derivatives in various industries, such as marine and energy & power, in large volumes. Moreover, due to the tough environmental conditions oil & gas pipelines and equipment are subject to, coating materials are utilized to prevent the degradation of their metallic structure. Petrochemicals represent an increasing source of demand for oil and gas and a growing source of greenhouse gas emissions, necessitating robust asset protection strategies to ensure operational continuity and environmental compliance.

The energy & power will have the highest CAGR, driven by the global energy transition and massive investments in both renewable and conventional power generation infrastructure. The accelerating deployment of wind turbines, solar installations, and energy storage systems, combined with the modernization of existing power plants, is creating substantial demand for advanced coating solutions that can withstand diverse environmental challenges.

The end users analyzed in this report are:

• Oil & Gas and Petrochemical (Largest Category)
• Energy & Power (Fastest-Growing Category)
• Marine
• Others

Corrosion Under Insulation and Spray-on Insulation Coatings Market Regional Outlook

North America CUI and SOI Coating Market Size

North America held the largest market share, in 2024. This is primarily attributed to the presence of extensive oil and gas infrastructure, particularly in the Gulf of Mexico, combined with the stringent regulatory frameworks mandating comprehensive corrosion prevention measures. The region's mature industrial base, encompassing thousands of refineries, petrochemical complexes, and power generation facilities, creates sustained demand for high-performance coating solutions designed to extend asset life and ensure operational safety.

The implementation of risk-based inspection programs and integrity management systems across North American industries has heightened awareness of CUI-related risks, driving proactive investment in protective coating systems. Additionally, the region's harsh climate conditions, ranging from extreme cold in northern areas to high humidity and salt exposure in coastal regions, necessitate the use of advanced coating technologies capable of providing reliable protection under diverse environmental stresses. The ongoing modernization of aging infrastructure, coupled with the expansion of shale gas operations and the development of new petrochemical facilities to leverage low-cost feedstock advantages, continues to fuel market growth in the region.

Asia-Pacific CUI and SOI Coating Market Size

Asia-Pacific will have the highest CAGR. The robust economic growth in the region, hefty infrastructure investments, and strong recognition of the significance of corrosion safety and insulation contribute to this advance.

Furthermore, China, India, Japan, South Korea, and Southeast Asian countries have witnessed substantial advancements in the oil & gas, petrochemical, power generation, and manufacturing industries. Equipment in these industries is highly susceptible to corrosion, creating a strong demand for effective protective solutions such as CUI and SOI coatings. Infrastructure including pipelines, refineries, power plants, and chemical processing facilities, requires dependable coatings to safeguard assets from corrosion.

According to the Asian Development Bank, developing Asia will need to invest USD 1.7 trillion per year in infrastructure until 2030 to maintain its growth momentum, tackle poverty, and respond to climate change, creating unprecedented opportunities for protective coating applications. The region's growth trajectory is particularly pronounced in countries like China and India, where government initiatives to boost domestic manufacturing, expand petrochemical production capacity, and develop world-class infrastructure are generating substantial demand for CUI and SOI coating solutions.

Japan CUI and SOI Coating Market Size

Japan represents a highly developed market within the Asia Pacific region, characterized by high technological standards, stringent quality requirements, and a strong emphasis on innovation in coating solutions. The country's advanced manufacturing sector, combined with its significant petrochemical industry and extensive coastal infrastructure requiring marine-grade protection, creates consistent demand for premium CUI and SOI coating systems. Japanese end-users prioritize coating solutions that offer exceptional durability, minimal environmental impact, and compatibility with automated application systems, driving continuous innovation in product formulations and application technologies.

The nation's commitment to infrastructure resilience, particularly in response to natural disaster risks, has elevated the importance of protective coatings that can maintain their integrity under extreme conditions. Additionally, Japan's leadership in developing next-generation energy technologies, including hydrogen infrastructure and advanced nuclear facilities, is creating new application opportunities for specialized coating systems designed to meet unique performance requirements. The market is further supported by strong domestic coating manufacturers who collaborate closely with end-users to develop customized solutions addressing specific operational challenges.

The geographical breakdown of the market is as follows:

• North America (Largest Regional Market)
  • U.S. (Larger Country)
  • Canada (Faster-Growing Country)
• Europe
  • Germany (Largest Country)
  • U.K. (Fastest-Growing Country)
  • France
  • Italy
  • Spain
  • Rest of Europe
• Asia-Pacific (Fastest-Growing Regional Market)
  • China (Largest and Fastest-Growing Country)
  • India
  • Japan
  • South Korea
  • Australia
  • Rest of APAC
• Latin America
  • Brazil (Largest Country)
  • Mexico (Fastest-Growing Country)
  • Rest of LATAM
• Middle East and Africa
  • Saudi Arabia (Largest Country)
  • South Africa
  • U.A.E. (Fastest-Growing Country)
  • Rest of MEA

Corrosion Under Insulation and Spray-on Insulation Coatings Market Share

The market is fragmented due to the presence of numerous global and regional players offering a wide range of products personalized to various industries such as oil & gas, petrochemical, power generation, and manufacturing. No single company holds a dominant share globally, as demand varies significantly across regions, each with specific regulatory standards, infrastructure needs, and environmental conditions. Additionally, the variety of coating types, application methods, and performance needs divides market share, keeping the market from being dominated by a few companies.

Corrosion Under Insulation and Spray-on Insulation Coatings Market News

• In June 2025, Jotun A/S introduced a powder coating system specifically engineered for battery manufacturing facilities, addressing the unique corrosion challenges associated with lithium-ion battery production environments and energy storage infrastructure.
• In February 2025, PPG Industries Inc. announced a strategic investment in advanced powder coating technologies as part of its commitment to achieve 50% of sales from sustainably advantaged solutions by 2030, with a specific focus on developing next-generation CUI protection systems for renewable energy applications.
• In May 2024, Axalta Coating Systems LLC introduced its Alesta BioCore range, manufactured from non-food organic waste materials, achieving up to 25% reduction in carbon emissions while maintaining superior corrosion protection performance.
• In February 2024, Akzo Nobel N.V. completed the EUR 21-million expansion of its largest powder coatings manufacturing facility in Como, Italy, significantly enhancing production capacity for high-performance powder coatings across multiple industrial sectors, including applications in extreme environments.