The Global Glass Wool Thermal Insulation Material Market was valued at USD 14.82 Billion in 2024 and is projected to reach USD 20.15 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.2% during the forecast period (2024–2030). This robust growth is propelled by stringent global energy efficiency regulations, rising construction activities in emerging economies, and the increasing demand for sustainable and fire-resistant building materials across residential, commercial, and industrial sectors.

As the construction industry accelerates its transition toward greener, more energy-efficient buildings, the focus intensifies on the key manufacturers who are pioneering advanced insulation solutions. In this blog, we profile the Top 10 Companies in the Glass Wool Thermal Insulation Material Industry—a mix of global material science leaders and specialized manufacturers shaping the future of thermal efficiency in buildings worldwide.

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🔟 1. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: PINK® FIBERGLAS™ Insulation, EcoTouch® Technology

Owens Corning is a global leader in building materials and glass fiber technology. Their PINK® insulation brand is recognized worldwide, offering a comprehensive range of glass wool products for attic, wall, and floor applications, all engineered for superior thermal and acoustic performance.

Sustainability & Innovation Initiatives:

• Pioneering EcoTouch® technology with bio-based binder

• Committed to achieving carbon neutrality by 2030

• Extensive product portfolio with high recycled glass content (up to 70%)

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9️⃣ 2. Saint-Gobain

Headquarters: Paris, France
Key Offering: ISOVER Glass Wool Insulation

Saint-Gobain, through its ISOVER division, is a European powerhouse and a global leader in glass wool insulation. The company offers a wide array of products, including rolls, batts, and boards, known for their high thermal resistance and ease of installation.

Sustainability & Innovation Initiatives:

• Ambition to achieve net-zero carbon by 2050

• Innovations in ultra-thin, high-performance insulation panels

• Global manufacturing footprint with a strong focus on circular economy principles

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8️⃣ 3. Knauf Insulation

Headquarters: Iphofen, Germany
Key Offering: Knauf Insulation Glass Mineral Wool

Knauf Insulation is a family-owned company and a major global player renowned for its high-quality glass wool products. The company emphasizes products with ECOSE® Technology, a bio-based binder that reduces embodied energy and improves indoor air quality.

Sustainability & Innovation Initiatives:

• ECOSE® Technology: formaldehyde-free, bio-based binder

• “For A Better World” sustainability strategy targeting zero carbon

• Strong investment in R&D for enhanced fire safety and acoustic performance

Download FREE Sample Report:
Glass Wool Thermal Insulation Material Market – View in Detailed Research Report

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7️⃣ 4. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: JM Climate Pro® Fiber Glass Insulation, Spider® Brand

A Berkshire Hathaway company, Johns Manville is a leading manufacturer of insulation and building products. Their glass wool offerings are known for durability and performance, catering to both commercial building envelopes and residential applications.

Sustainability & Innovation Initiatives:

• Focus on formaldehyde-free products

• Significant use of recycled glass cullet in manufacturing

• Development of high-density products for specialized industrial applications

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6️⃣ 5. URSA Insulation

Headquarters: Madrid, Spain
Key Offering: URSA Glass Wool Rolls, Panels, and Loose Wool

URSA, part of the Xella Group, is a prominent European manufacturer with a strong focus on glass and stone wool insulation. URSA glass wool is widely used for thermal and acoustic insulation in partitions, roofs, and facades.

Sustainability & Innovation Initiatives:

• High recyclability and use of recycled materials

• Products compliant with stringent European energy performance standards

• Continuous product development for improved sustainability credentials

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5️⃣ 6. CertainTeed (Saint-Gobain North America)

Headquarters: Malvern, Pennsylvania, USA
Key Offering: CertainTeed Insulation, Sustainable Insulation® products

CertainTeed, a subsidiary of Saint-Gobain, is a leading North American brand in exterior and interior building products. Their glass wool insulation line is designed for comprehensive thermal and sound control in residential and commercial buildings.

Sustainability & Innovation Initiatives:

• Commitment to sustainable manufacturing and product transparency

• Development of fiber glass insulation with GREENGUARD Gold certification

• Active participation in green building programs like LEED

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4️⃣ 7. PPG Industries

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: PPG Fiber Glass Insulation

While primarily known for paints and coatings, PPG Industries is also a significant manufacturer of fiber glass reinforcements and insulation materials. Their glass wool products serve various industrial and construction needs, emphasizing performance and reliability.

Sustainability & Innovation Initiatives:

• PPG’s sustainability commitments include reducing environmental footprint

• Focus on innovation in material science for enhanced insulation properties

• Integration of insulation solutions with broader building product offerings

Download FREE Sample Report:
Glass Wool Thermal Insulation Material Market – View in Detailed Research Report

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3️⃣ 8. KCC Corporation

Headquarters: Seoul, South Korea
Key Offering: KCC Glass Wool Insulation

KCC Corporation is a major South Korean conglomerate and a leading supplier of construction materials in the Asian market. Their glass wool products are engineered to meet the specific climatic and regulatory demands of the Asia-Pacific region.

Sustainability & Innovation Initiatives:

• Investment in R&D for high-efficiency insulation tailored to humid climates

• Expansion of production capacity to serve growing Southeast Asian markets

• Focus on products that contribute to building energy certification standards

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2️⃣ 9. Fletcher Insulation

Headquarters: Melbourne, Australia
Key Offering: Fletcher Glass Wool Batts and Rolls

Fletcher Insulation is a leading manufacturer and distributor in Australia and New Zealand. Part of the Fletcher Building Group, the company provides glass wool solutions that are critical for energy efficiency in the region’s diverse climate zones.

Sustainability & Innovation Initiatives:

• Strong emphasis on local manufacturing and supply chain resilience

• Products designed to meet Australasian building codes and standards

• Commitment to reducing operational energy and water consumption

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1️⃣ 10. Beijing New Building Material (Group) Co., Ltd. (BNBM)

Headquarters: Beijing, China
Key Offering: BNBM Glass Wool Boards and Blankets

BNBM is a giant in China’s building materials industry and a key player in the Asian glass wool market. The company produces a vast range of insulation products to support China’s massive urbanization and energy-saving construction initiatives.

Sustainability & Innovation Initiatives:

• Aligned with China’s national goals for green building and carbon peaking

• Large-scale production capabilities to meet domestic demand

• Research into advanced insulation systems for high-rise buildings

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Glass Wool Thermal Insulation Material Market – View in Detailed Research Report

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🌍 Outlook: The Future of Glass Wool Insulation Is Smarter and More Sustainable

The glass wool thermal insulation market is evolving rapidly. While traditional products continue to dominate volume, the industry is heavily investing in eco-friendly formulations, digital fabrication techniques, and integrated building solutions.

📈 Key Trends Shaping the Market:

• Accelerated adoption of formaldehyde-free, bio-based binders

• Stringent energy codes (e.g., EU’s EPBD, International Energy Conservation Code) driving product innovation

• Growth in retrofitting and renovation activities for energy upgrades in existing building stock

• Increasing demand for multi-functional insulation providing combined thermal, acoustic, and fire protection

Get Full Report Here:
Glass Wool Thermal Insulation Material Market – View in Detailed Research Report

The companies listed above are not only supplying essential building materials—they are at the forefront of constructing a more energy-efficient and sustainable built environment for future generations.