Building Thermal Insulation Market To Reach $45.2 Billion By 2033

Building Thermal Insulation Market Growth & Trends

The global building thermal insulation market size is estimated to reach USD 45.2 billion by 2033, registering a CAGR of 6.0% from 2026 to 2033, according to a new report by Grand View Research, Inc. Favorable regulations owing to focus on lowering the overall energy consumption is likely to be a major factor for the rising popularity of building thermal insulation materials. Thermal insulation materials help reduce the heat buildup within the buildings, thus resulting in lower dependence on air conditioning. This contributes to lowering energy costs.

The increasing urban population has led to the limited availability of affordable housing. It has also resulted in crowded roadways and inadequate water & sanitation services. The Middle East & Africa, in particular, is transitioning from places with a severe lack of infrastructure to the development of a robust infrastructure phase, which is expected to fuel demand for thermal insulation in residential, commercial, and industrial buildings.

Mineral wool is one of the most environmentally robust insulation materials. It is a widely used material for thermal insulation in buildings. Mineral wool helps in maintaining energy efficiency and provides fire protection, with good acoustics. Mineral wool is manufactured from volcanic rocks such as dolomite, diabase, and basalt, which are available in abundance.

Wall insulation application dominated the overall demand in 2024 and is expected to continue the trend over the forecast period, on account of the large surface area of the walls in a building, coupled with high product penetration for the application. Institutional buildings such as schools, hospitals, theaters, malls, hotels, etc. are adopting posh architecture and maintaining high energy-efficient standards. Thus, these trends are projected to positively influence the demand for wall insulation products over the forecast period, since it plays a key role in maintaining building energy consumption benchmarks across the globe.

Companies in the market are focusing on expanding their product portfolio by developing cost-effective insulation products with enhanced properties. Manufacturers are also focusing on expanding their manufacturing capabilities to cater to the ascending product demand across the globe. In addition, these companies develop a strong business model to adapt to market volatility and any technological & geographical change.

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Building Thermal Insulation Market Report Highlights

• Glass wool insulation dominated the segment with a market share of 37.0% in 2025. Glass wool is manufactured by heating silica sand at 1200ºC to 1250ºC and converting it into fibers.

• Wall application led the building thermal insulation market and accounted for a market share of 42.3% in 2025, due to the rising emphasis on energy-efficient building envelopes and stringent regulations related to indoor thermal performance.

• The residential end use segment dominated the market with the largest revenue share of 53.3% in 2025, due to increasing urbanization, rising housing construction activities, and growing consumer awareness regarding energy conservation and indoor comfort.

• The building thermal insulation industry in Europe accounted for the largest market share of 37.3% in 2025, due to strict environmental regulations and strong emphasis on sustainable construction practices.

Building Thermal Insulation Market Segmentation

Grand View Research has segmented the global building thermal insulation market on the basis of product, application, end use, and region:

Building Thermal Insulation Product Outlook (Volume, Kilotons; Revenue, USD Million, 2021 - 2033)

• Glass Wool

• Mineral Wool

• EPS

• XPS

• Cellulose

• PIR

• PUR

• Other Products

Building Thermal Insulation Application Outlook (Volume, Kilotons; Revenue, USD Million, 2021 - 2033)

• Roof

• Walls

• Floor

Building Thermal Insulation End-use Outlook (Volume, Kilotons; Revenue, USD Million, 2021 - 2033)

• Residential

• Commercial

Building Thermal Insulation Regional Outlook (Volume, Kilotons; Revenue; USD Million, 2021 - 2033)

• North America

  • U.S.

  • Canada

  • Mexico

• Europe

  • Germany

  • UK

  • France

  • Spain

  • Italy

  • Central Eastern Europe

  • Romania

  • Czech Republic

  • Poland

• Asia Pacific

  • China

  • India

  • Japan

  • South Korea

  • Indonesia

  • Malaysia

  • Taiwan

• Central & South America

  • Brazil

  • Argentina

• Middle East & Africa

  • Saudi Arabia

  • UAE

  • Qatar

  • South Africa

List of Key Players in the Building Thermal Insulation Market

• Rockwool International A/S

• GAF Materials Corporation

• Huntsman International LLC

• Johns Manville Corporation

• Cellofoam North America, Inc.

• Atlas Roofing Corporation

• Dow

• Owens Corning

• Saint-Gobain S.A.

• Byucksan

• Kingspan Group

• BASF SE

• Knauf Insulation

• American Rockwool Manufacturing, LLC

• Fletcher Building