Polyisocyanurate Insulation Market Size, Share, and Growth Analysis, By Product Form (Rigid Foam / Board, Spray Foam), By Facing Material (Aluminum Foil, Kraft Paper), By Application, By End-Use, By Region - Industry Forecast 2026-2033

Global Polyisocyanurate Insulation Market size was valued at USD 14.97 Billion in 2024 and is poised to grow from USD 15.9 Billion in 2025 to USD 25.73 Billion by 2033, growing at a CAGR of 6.2% during the forecast period (2026-2033).

The global polyisocyanurate insulation market is experiencing growth driven by an emphasis on energy-efficient buildings and enhanced building envelope modifications. Builders and developers are increasingly focused on materials that improve thermal performance and lower energy consumption, reflecting significant trends in national building practices and regulatory standards. Sustainability goals and regulatory pressures are promoting the adoption of high-performance insulation that prevents heat loss and provides excellent fire protection. Innovations in manufacturing, such as continuous lamination and bio-based polyols, are improving product consistency while reducing costs and environmental impact. Additionally, the rise of modular construction highlights the versatility of polyisocyanurate boards to serve multiple functions, facilitating streamlined installation and optimized building envelope performance, aligning with both operational efficiency and eco-friendly initiatives.

Top-down and bottom-up approaches were used to estimate and validate the size of the Global Polyisocyanurate Insulation market and to estimate the size of various other dependent submarkets. The research methodology used to estimate the market size includes the following details: The key players in the market were identified through secondary research, and their market shares in the respective regions were determined through primary and secondary research. This entire procedure includes the study of the annual and financial reports of the top market players and extensive interviews for key insights from industry leaders such as CEOs, VPs, directors, and marketing executives. All percentage shares split, and breakdowns were determined using secondary sources and verified through Primary sources. All possible parameters that affect the markets covered in this research study have been accounted for, viewed in extensive detail, verified through primary research, and analyzed to get the final quantitative and qualitative data.

Global Polyisocyanurate Insulation Market Segments Analysis

Global Polyisocyanurate Insulation Market is segmented by Product Form, Facing Material, Application, End-Use and region. Based on Product Form, the market is segmented into Rigid Foam / Board, Spray Foam, Laminated Panels and Others. Based on Facing Material, the market is segmented into Aluminum Foil, Kraft Paper, Glass Mat and Non-woven Polyester. Based on Application, the market is segmented into Thermal Insulation, Acoustic Insulation and Hybrid. Based on End-Use, the market is segmented into Building & Construction, Industrial, Transportation and Others. Based on region, the market is segmented into North America, Europe, Asia Pacific, Latin America and Middle East & Africa.

Driver of the Global Polyisocyanurate Insulation Market

A significant driver of growth in the global polyisocyanurate insulation market is the escalating focus on energy efficiency in building regulations across commercial, residential, and industrial sectors. As governmental bodies and regulatory agencies impose stricter minimum R-value standards for insulation, polyisocyanurate benefits from its exceptional thermal resistance and fire safety features. This regulatory emphasis on enhancing building energy codes is fostering widespread adoption of polyisocyanurate insulation in both new construction and renovation projects. Consequently, the sustained demand for this type of insulation is expected to continue, reflecting the growing commitment to energy-efficient building practices worldwide.

Restraints in the Global Polyisocyanurate Insulation Market

The global market for polyisocyanurate insulation faces significant challenges due to its reliance on petrochemical feedstocks, particularly methylene diisocyanate (MDI) and polyols. The prices of these raw materials often fluctuate due to factors such as crude oil price variations, disruptions in the supply chain, or unexpected chemical plant outages. Such volatility directly affects manufacturing costs, making it challenging for producers to uphold stable pricing strategies. As a result, price sensitivity among customers may rise, prompting them to consider alternatives in competing commodity markets, ultimately impacting the overall demand and stability of the polyisocyanurate insulation market.

Market Trends of the Global Polyisocyanurate Insulation Market

The Global Polyisocyanurate Insulation market is witnessing a significant upward trend driven by an increasing demand for high-performance building envelope solutions. As energy efficiency regulations tighten and green building certifications gain importance, architects and contractors are increasingly favoring polyisocyanurate due to its superior thermal resistance and fire-retardant properties. This trend is further amplified by the expanding retrofit market, where the need for effective space utilization and quick installation capabilities becomes paramount. As a result, polyisocyanurate insulation is positioned as a preferred choice, aligning with both environmental compliance and performance requirements in modern construction practices.