Building Thermal Insulation Market Report 2026

Building Thermal Insulation Market Overview

• Building Thermal Insulation market size has reached to $31.24 billion in 2025 • Expected to grow to $38.92 billion in 2030 at a compound annual growth rate (CAGR) of 4.5% • Growth Driver: Rising Green Building Construction Drives Building Thermal Insulation Market Growth • Market Trend: Innovative Sustainable Polyurethane (PU) Foams For Building Thermal Insulation: Covestro And Selena Group Collaborate On Ultra-Fast 70 Foam Formulation • Asia-Pacific was the largest region in 2025.

What Is Covered Under Building Thermal Insulation Market?

Building thermal insulation refers to thermal insulation that prevents heat from moving from one substance to another when they are in thermal contact. The thermal conductivity of insulation serves as a measurement and is accomplished using low thermally conductive materials. The main types of materials in the building thermal insulation market are foamed plastic, mineral wool, aerogels, cellulose, and others. Glass wool refers to an insulating material produced from glass fibers bound together with a binder to create a texture similar to wool. Glass wool is used to slow the movement of sound, heat, and cold through buildings. The different products include glass wool, mineral wool, expanded polystyrene (EPS), extruded polystyrene (XPS), and others that are used in roof insulation, wall insulation, and floor insulation. The several end users include residential, commercial, and industrial.

What Is The Building Thermal Insulation Market Growth Forecast?

The building thermal insulation market size is expected to see steady growth in the next few years. It will grow to $38.92 billion in 2030 at a compound annual growth rate (CAGR) of 4.5%. The growth in the forecast period can be attributed to shift toward sustainable insulation materials, rising regulatory pressure for energy efficiency, growth in retrofitting activities, increasing adoption of advanced insulation technologies, expanding use of low-conductivity materials. Major trends in the forecast period include increasing demand for high-performance insulation materials, rising adoption of fire-resistant insulation solutions, growth in retrofitting and energy-efficiency upgrades, expansion of lightweight and flexible insulation products, advancement in manufacturing processes for foamed plastics.

Global Building Thermal Insulation Market Segmentation

1) By Material: Foamed Plastic, Mineral Wool, Aerogels, Cellulose, Other Materials 2) By Product: Glass Wool, Mineral Wool, Expanded polystyrene (EPS), Extruded polystyrene (XPS), Other Products 3) By Application: Roof Insulation, Wall Insulation, Floor Insulation 4) By End Use: Residential, Commercial, Industrial Subsegments: 1) By Foamed Plastic: Expanded Polystyrene (EPS), Extruded Polystyrene (XPS), Polyurethane (PUR), Polyisocyanurate (PIR) 2) By Mineral Wool: Glass Wool, Rock Wool 3) By Aerogels: Silica Aerogel, Polymer Aerogel 4) By Cellulose: Loose-Fill Cellulose, Spray-Applied Cellulose 5) By Other Materials: Natural Fiber Insulation, Vermiculite, Perlite

What Is The Driver Of The Building Thermal Insulation Market?

The increase in the construction of green buildings is expected to propel the growth of the building thermal insulation market going forward. Green buildings are environmentally conscious structures designed and constructed using sustainable practices that minimize resource consumption, reduce environmental impact, and improve occupant health and comfort. The rise in green building construction is primarily driven by efforts to mitigate climate change and stricter government regulations requiring enhanced energy efficiency standards. Green buildings require high-performance insulation systems to achieve their energy efficiency targets and maintain optimal indoor environmental conditions while minimizing heating and cooling energy consumption. For instance, in July 2024, according to the Green Building Council, a US-based non-profit organization, over 46,000 residential projects earned LEED green building certification, showing nearly a 5% rise in new registrations compared to 2023. Therefore, an increase in the construction of green buildings is driving the growth of the building thermal insulation industry.

Key Players In The Global Building Thermal Insulation Market

Major companies operating in the building thermal insulation market are Johns Manville, Saint-Gobain S.A., Kingspan Group PLC, Owens Corning, Rockwool International A/S, GAF Materials Corporation, Guardian Building Products Inc., CertainTeed Corporation, Knauf Insulation, Armacell International S.A., Dow Inc., Huntsman Corporation, Cabot Corporation, Recticel NV, Paroc Group, URSA Insulation S.A., Superglass Insulation Ltd., Kaimann GmbH, Thermaflex International Holding B.V., Lapinus Fibres, KCC Corporation, Beijing New Building Material (Group) Co. Ltd., Fletcher Insulation Pty Ltd., TechnoNICOL Corporation, Unifrax I LLC, Aspen Aerogels Inc., Evonik Industries AG

Global Building Thermal Insulation Market Trends and Insights

Major companies operating in the building thermal insulation market are introducing an innovative, sustainable range of polyurethane (PU) foams, such as Ultra-Fast 70 foam formulation significantly reduces the time needed to install doors and windows, considerably increasing the number of projects that can be completed over the same time to gain a competitive edge in the market. The PU foams are aimed to enhance building thermal insulation with faster installation, seamlessly integrate them into their existing operations without loss of quality. For instance, in September 2023, Covestro, a Germany-based provider of innovative solutions for vehicles and infrastructure, in collaborating with Selena Group, a Poland-based manufacturer of PU foams and construction-related chemicals, launched an innovative polyurethane (PU) foams called The Ultra-Fast 70 formulation that significantly reduces the time needed to install doors and windows, which considerably increases the number of projects that can be completed over the same time for enhancing building thermal insulation. The material has obtained ISSC Plus certification, confirming its use of plant-based feedstocks through the mass balance method, which is claimed to lead to a 60% decrease in carbon emissions compared to materials derived from fossil sources. The Ultra-Fast 70 foam formulation substantially minimizes the installation time required for doors and windows, thus greatly enhancing the quantity of projects that can be accomplished within a given timeframe.

What Are Latest Mergers And Acquisitions In The Building Thermal Insulation Market?

In February 2024, Compagnie de Saint-Gobain S.A., a French multinational corporation, acquired International Cellulose Corporation for an undisclosed amount. With this acquisition, Compagnie de Saint-Gobain S.A. aims to expand its market presence and enhance its product offerings. International Cellulose Corporation is a US-based manufacturer of sustainable spray insulation products.

Regional Insights

Asia-Pacific was the largest region in the building thermal insulation market in 2025. The regions covered in this market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in this market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

What Defines the Building Thermal Insulation Market?

The building thermal insulation market consists of sales of polyurethane foam and fiberglass. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

How is Market Value Defined and Measured?

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified). The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

What Key Data and Analysis Are Included in theBuilding Thermal Insulation Market Report 2026?

The building thermal insulation market research report is one of a series of new reports from The Business Research Company that provides market statistics, including industry global market size, regional shares, competitors with the market share, detailed market segments, market trends and opportunities, and any further data you may need to thrive in the building thermal insulation industry. The market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future state of the industry.