The Global Fiberglass Insulation Panels Market was valued at USD 9.8 Billion in 2023 and is projected to reach USD 14.2 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.4% during the forecast period (2024–2030). This robust growth is fueled by stringent energy efficiency regulations, rapid urbanization in emerging economies, and the accelerating adoption of green building standards worldwide, creating significant demand for advanced thermal and acoustic insulation solutions.

As the construction and industrial sectors intensify their focus on sustainability and energy conservation, the role of high-performance insulation materials has never been more critical. In this blog, we profile the Top 10 Companies in the Fiberglass Insulation Panels Industry—a group of material science innovators, manufacturers, and sustainability leaders who are shaping the future of building efficiency and environmental responsibility.

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🔟 1. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: PINK Next Gen Fiberglas™ insulation, FOAMGLAS® cellular glass insulation

Owens Corning is a global leader in insulation, roofing, and fiberglass composites. Its PINK Fiberglas brand is one of the most recognized in North America, offering high-performance insulation panels for residential, commercial, and industrial applications. The company is committed to driving sustainability through material innovation and circular economy principles.

Sustainability Initiatives:

• Achieved net-zero Scope 1 and 2 greenhouse gas emissions in 2020
• Target of 50% reduction in Scope 3 emissions by 2030
• Extensive product recycling programs for glass and insulation materials

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9️⃣ 2. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: ISOVER glass wool insulation panels, CertainTeed insulation products

Saint-Gobain, through its ISOVER division, is a European powerhouse in glass wool insulation. The company produces a wide range of fiberglass panels for thermal and acoustic applications, serving the building, industrial, and equipment markets with a strong focus on energy efficiency and comfort.

Sustainability Initiatives:

• Target to achieve carbon neutrality by 2050
• Over 90% of production waste is recycled or recovered
• Development of biosourced and recycled content insulation solutions

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8️⃣ 3. Knauf Insulation

Headquarters: Iphofen, Germany
Key Offering: Knauf Insulation Rolls & Batts, ECOSE® Technology-based products

Knauf Insulation is a family-owned company and a major global player with a strong presence in Europe, North America, and Asia. It is renowned for its ECOSE® Technology, a bio-based binder that reduces embodied energy and improves indoor air quality by emitting low VOCs (Volatile Organic Compounds).

Sustainability Initiatives:

• Pioneer in formaldehyde-free insulation products
• Committed to a 15% reduction in carbon intensity by 2025
• Products contain up to 80% recycled glass content

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7️⃣ 4. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: JM Climate Pro™ fiberglass insulation, SPIN® pipe insulation

A Berkshire Hathaway company, Johns Manville is a leading manufacturer of insulation, commercial roofing, and engineered products. Its fiberglass insulation panels are widely used in commercial buildings, industrial facilities, and HVAC systems, known for their durability and consistent thermal performance.

Sustainability Initiatives:

• Investment in manufacturing process optimization to reduce energy use
• Development of high-recycled-content insulation materials
• Commitment to responsible sourcing and waste minimization

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6️⃣ 5. URSA Insulation

Headquarters: Madrid, Spain
Key Offering: URSA Glass Wool panels, URSA PUREONE mineral wool

URSA, part of the Xella Group, is a major European manufacturer of insulation materials with a strong focus on glass and mineral wool solutions. The company’s products are designed for high energy efficiency and fire safety, catering to both new construction and renovation markets across the continent.

Sustainability Initiatives:

• Products manufactured with a high percentage of recycled materials
• Focus on cradle-to-cradle design principles
• Active participation in European green building certification systems

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5️⃣ 6. Kingspan Group

Headquarters: Kingscourt, Ireland
Key Offering: Kooltherm phenolic insulation boards, Insulated panels

While famously known for its insulated metal panels, Kingspan is also a significant innovator in high-performance rigid insulation boards. Its Kooltherm range offers some of the thinnest insulation thicknesses to achieve required U-values, making it ideal for space-constrained retrofit projects.

Sustainability Initiatives:

• Ambitious “Planet Passionate” sustainability program
• Target to achieve net-zero carbon manufacturing by 2030
• Pioneering the use of captured carbon in insulation products

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4️⃣ 7. Rockwool International A/S

Headquarters: Hedehusene, Denmark
Key Offering: ROCKWOOL stone wool insulation panels

Although primarily a stone wool manufacturer, Rockwool’s expertise in high-temperature resistant insulation is complementary to the fiberglass market. The company produces insulation solutions that offer excellent fire resistance, sound absorption, and thermal performance for demanding industrial and building applications.

Sustainability Initiatives:

• Carbon Roadmap 2030 targeting significant CO2 reduction
• Circular business model with high recycled content
• Products contribute to energy savings far exceeding embodied carbon

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3️⃣ 8. Guardian Glass

Headquarters: Auburn Hills, Michigan, USA
Key Offering: Fiberglass insulation substrates, high-performance glass

A subsidiary of Koch Industries, Guardian Glass is a leading global manufacturer of float glass and fabricated glass products. The company also produces fiberglass mat substrates used as a key component in various building and industrial insulation applications, leveraging its expertise in glass science.

Sustainability Initiatives:

• Energy efficiency improvements across manufacturing facilities
• Development of low-carbon glass production technologies
• Supplier to industries focused on energy conservation

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2️⃣ 9. CertainTeed (Saint-Gobain North America)

Headquarters: Malvern, Pennsylvania, USA
Key Offering: CertainTeed fiberglass batt insulation, MemBrain™ smart vapor retarder

As the North American building products leader of Saint-Gobain, CertainTeed has a comprehensive portfolio of insulation solutions for residential and commercial markets. The company focuses on creating comfortable, quiet, and energy-efficient building envelopes through advanced fiberglass technologies.

Sustainability Initiatives:

• Participation in Saint-Gobain’s global sustainability targets
• Development of products that contribute to LEED and other green building certifications
• Continuous improvement in manufacturing energy efficiency

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1️⃣ 10. Beijing New Building Material (BNBM)

Headquarters: Beijing, China
Key Offering: Gypsum boards, glass wool insulation panels

As one of China’s largest building materials manufacturers, BNBM has a significant presence in the Asian insulation market. The company produces glass wool insulation panels that meet China’s evolving energy efficiency standards, catering to the massive construction boom in the region with cost-effective solutions.

Sustainability Initiatives:

• Focus on developing green building materials for the Chinese market
• Investment in production technologies that reduce environmental impact
• Supporting China’s dual carbon goals (carbon peak by 2030, neutrality by 2060)

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Fiberglass Insulation Panels Market – View in Detailed Research Report

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🌍 Outlook: The Future of Fiberglass Insulation Is Smarter and Greener

The fiberglass insulation panels market is undergoing a significant transformation. While traditional thermal performance remains the core value proposition, the industry is rapidly innovating to address sustainability challenges, circular economy principles, and smart building integration.

📈 Key Trends Shaping the Market:

• Growing demand for formaldehyde-free and low-VOC insulation products
• Increasing use of recycled glass content (cullet) in manufacturing
• Development of thinner, higher R-value insulation solutions for retrofits
• Integration of insulation with smart building systems for energy management

Get Full Report Here:
Fiberglass Insulation Panels Market – View in Detailed Research Report

The companies listed above are not only insulating buildings—they’re building the foundation for a more energy-efficient and sustainable future.

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