Thermal Insulation Market Size and Growth Opportunities and Forecast till 2026 - 2035
Thermal Insulation Market Size, Share & Trends Report, 2026–2035
LAST UPDATED: OCTOBER 2026
The global Thermal Insulation Market size was valued at USD 63.45 billion in 2025 and is projected to reach USD 105.34 billion by 2035, growing at a CAGR of 5.2% from 2026 to 2035. Growth is driven by stricter building energy codes, building renovation programs, rising energy prices, net-zero targets, and growing industrial demand from LNG, cold chain, data centers and process industries.
Thermal insulation materials reduce heat flow between spaces, keeping buildings, pipes, tanks and equipment warm or cool with less energy. The market includes organic foams such as polyurethane, polystyrene (EPS and XPS) and polyisocyanurate (PIR), and inorganic materials such as mineral (stone) wool, glass wool and cellular glass. They are used in walls, roofs, floors and HVAC systems in residential and commercial buildings, as well as in industrial pipes, vessels, cold storage and transport. Thermal insulation is also referred to as building insulation, heat insulation or energy-saving insulation.
Thermal Insulation Market Key Takeaways
Infographic: Thermal Insulation Market Size and Growth Opportunities and Forecast till 2026 - 2035 | Ameco Research
Thermal Insulation Market Report Scope
| Report Attribute | Details |
| Thermal Insulation Market Size in 2025 | USD 63.45 Billion |
| Thermal Insulation Market Forecast by 2035 | USD 105.34 Billion |
| Thermal Insulation Market CAGR (2026–2035) | 5.2% |
| Analysis Period | 2023–2035 |
| Base Year | 2025 |
| Forecast Period | 2026–2035 |
| Segments Covered | by Type, by Application, and By Region |
| Regional Scope | North America, Europe, Asia Pacific, Latin America, and Middle East & Africa |
| Key Companies Profiled | Johns Manville, Owens Corning, Knauf Insulation, Rockwool International, Saint-Gobain, Kingspan Group, Lixil Corporation, Fletcher Building, Asahi Kasei Corporation, and Armacell International S.A. |
| Report Coverage | Market Trends, Drivers, Restraints, Opportunities, Competitive Analysis, Player Profiling, Regulation Analysis |
Thermal Insulation Market Size Forecast, 2023–2035
The table below shows the year-by-year size of the global thermal insulation market. Revenue is expected to grow about 1.7 times between 2025 and 2035, reaching roughly USD 81.75 billion by 2030.
| Year | Market Size (USD Billion) |
| 2023 (historical) | 57.33 |
| 2024 (historical) | 60.31 |
| 2025 (base year) | 63.45 |
| 2026 (forecast) | 66.75 |
| 2027 (forecast) | 70.22 |
| 2028 (forecast) | 73.87 |
| 2029 (forecast) | 77.71 |
| 2030 (forecast) | 81.75 |
| 2031 (forecast) | 86.01 |
| 2032 (forecast) | 90.48 |
| 2033 (forecast) | 95.18 |
| 2034 (forecast) | 100.13 |
| 2035 (forecast) | 105.34 |
Latest Thermal Insulation Market Trends (2026)
EU building rules drive renovation
EU member states must transpose the revised Energy Performance of Buildings Directive by May 2026, which sets a path toward zero-emission buildings and requires renovation of the worst-performing buildings. This is creating long-term demand for wall, roof and floor insulation across Europe.
Shifting incentives in the United States
Federal tax credits for home energy efficiency improvements ended for work completed after 2025, while state programs, building energy codes and utility rebates continue to support insulation upgrades and new construction demand.
Fire safety and non-combustible materials
Stricter fire rules for high-rise and public buildings are increasing demand for non-combustible stone wool, glass wool and cellular glass, and for fire-rated insulated panels.
Low-carbon and recycled insulation
Manufacturers are cutting embodied carbon with electric melting furnaces, recycled glass and wool content, bio-based foams and blowing agents with low global warming potential.
Industrial and cold chain insulation
LNG terminals, hydrogen projects, cold storage warehouses and process plants need high-performance pipe and equipment insulation, including aerogels and cellular glass.
Data centers and prefabricated construction
Rapid data center construction and the growth of insulated metal panels and modular buildings are adding demand for factory-made insulation products.
Thermal Insulation Market Dynamics
Growth drivers
- Stricter building energy codes and net-zero targets
- Government renovation and energy efficiency programs
- Rising energy prices and demand for lower heating and cooling bills
- Growth in industrial, LNG and cold chain infrastructure
- Expansion of data centers and prefabricated buildings
Restraints and challenges
- Volatile raw material and energy costs
- Fire safety concerns around some foam insulation
- Changes or cuts to government incentives
- Shortage of skilled installers for retrofits
Opportunities
Key opportunities include deep energy retrofits in Europe and North America, fire-safe and low-carbon insulation products, aerogel and vacuum insulation panels, insulated panels for modular and data center construction, and fast-growing construction markets in India, Southeast Asia and the Middle East.
Thermal Insulation Market Segment Analysis
By type
The market is segmented into organic materials (polyurethane foam, polystyrene and polyisocyanurate) and inorganic materials (mineral wool, glass wool and cellular glass). Glass wool, stone wool and polystyrene are the most widely used, while PIR and polyurethane offer the highest insulation value per thickness.
By application
Applications include residential, commercial and industrial. Residential buildings account for the largest volume, supported by new homes and retrofits, while industrial insulation for pipes, tanks, LNG and cold storage is growing steadily.
Thermal Insulation Market Regional Analysis
Asia Pacific is the world's fastest-growing market for thermal insulation, with China, India and Japan as key markets, supported by urbanization, new energy codes and industrial investment.
In North America, the United States is the largest market, driven by construction, retrofits and industrial demand. In Europe, Germany, France and the United Kingdom lead, supported by renovation programs and strict efficiency rules.
Latin America and the Middle East & Africa are growing markets, with Gulf countries investing in energy-efficient buildings, cold chain and industrial projects.
Thermal Insulation Market Segmentation
Thermal Insulation Market Leading Companies
The thermal insulation market includes global building materials groups, mineral wool and glass wool producers, foam and panel makers, and technical insulation specialists. Companies compete on thermal performance, fire safety, embodied carbon, product range, plant network and relationships with distributors and contractors. Key players profiled in this report include Johns Manville, Owens Corning, Knauf Insulation, Rockwool International, Saint-Gobain, Kingspan Group, Lixil Corporation, Fletcher Building, Asahi Kasei Corporation, and Armacell International S.A..
Johns ManvilleOwens CorningKnauf InsulationRockwool InternationalSaint-GobainKingspan GroupLixil CorporationFletcher BuildingAsahi Kasei CorporationArmacell International S.A.
Recent developments
Key Questions Answered in This Report
- What is the size of the thermal insulation market in 2025, and how large will it be by 2030 and 2035?
- What are the main growth drivers, restraints and opportunities through 2035?
- Which by type and by application segments will grow the fastest?
- Which regions and countries offer the largest and fastest-growing opportunities?
- How are EU renovation rules, fire safety standards and low-carbon products shaping demand in 2026?
- Who are the leading companies, and what strategies are they using to compete?
Research Methodology
Ameco Research built this forecast from a mix of primary and secondary research. Analysts spoke with insulation manufacturers, raw material suppliers, distributors, contractors and building owners to validate pricing, volumes and demand trends, and reviewed company filings, trade statistics, regulatory documents and industry publications. The thermal insulation market size was estimated with bottom-up and top-down approaches and validated through data triangulation, with 2025 as the base year and forecasts for 2026–2035.
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Thermal Insulation Market: Frequently Asked Questions
How big is the thermal insulation market?
The global thermal insulation market was valued at USD 63.45 billion in 2025 and is expected to reach USD 105.34 billion by 2035.
What is the growth rate of the thermal insulation market?
The thermal insulation market is projected to grow at a CAGR of 5.2% from 2026 to 2035.
What will the thermal insulation market be worth in 2030?
The thermal insulation market is projected to reach about USD 81.75 billion in 2030, growing at a CAGR of 5.2%.
What is driving growth in the thermal insulation market?
Key drivers are stricter building energy codes, renovation programs, rising energy prices, net-zero targets and industrial demand from LNG, cold chain and data centers.
What is thermal insulation?
Thermal insulation is any material, such as glass wool, stone wool, polystyrene or polyurethane foam, that slows heat flow to keep buildings and equipment at the desired temperature with less energy.
Which region leads the thermal insulation market?
Asia Pacific is the fastest-growing region, while the United States is the largest market in North America and Germany, France and the UK lead in Europe.
Which segment holds the largest share of the thermal insulation market?
Inorganic wools and organic foams such as polystyrene are the most widely used materials, and residential buildings are the largest application.
What are the latest trends in the thermal insulation market?
The main 2026 trends are eU building rules drive renovation, shifting incentives in the United States, fire safety and non-combustible materials, low-carbon and recycled insulation, industrial and cold chain insulation and data centers and prefabricated construction.
What are the main challenges in the thermal insulation market?
The main challenges are volatile raw material and energy costs, fire safety concerns for some foams, changing incentives and a shortage of skilled installers.
Which insulation material has the best thermal performance?
Polyisocyanurate (PIR) and polyurethane foams offer some of the lowest thermal conductivity among common materials, while aerogels and vacuum insulation panels perform even better in specialty uses.
Who are the key players in the thermal insulation market?
Leading companies include Johns Manville, Owens Corning, Knauf Insulation, Rockwool International, Saint-Gobain, Kingspan Group, Lixil Corporation, Fletcher Building, Asahi Kasei Corporation, and Armacell International S.A..
Sources
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