The Global Fiberglass Insulation Panels Market was valued at USD 12.8 Billion in 2025 and is projected to reach USD 17.2 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This robust growth is fueled by stringent energy efficiency regulations, rising construction activities worldwide, and growing consumer awareness regarding sustainable building materials.

As the construction industry embraces green building standards and energy conservation becomes a global priority, leading manufacturers of fiberglass insulation panels are at the forefront of innovation. In this blog, we profile the Top 10 Companies in the Fiberglass Insulation Panels Industry—innovators and established players shaping the future of thermal and acoustic insulation.

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🔟 1. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: PINK® FIBERGLAS™ Insulation, FOAMGLAS® cellular glass insulation

Owens Corning is a global leader in building and construction materials, renowned for its PINK fiberglass insulation brand. The company offers a comprehensive range of insulation solutions for residential, commercial, and industrial applications, with a strong focus on sustainability and product performance.

Sustainability & Innovation Initiatives:

• Achieved 100% landfill waste diversion at 32 manufacturing facilities

• Pioneering use of recycled glass (cullet) in insulation production

• Committed to reducing Scope 1 and 2 GHG emissions by 50% by 2030

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9️⃣ 2. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: ISOVER glass wool insulation, CertainTeed insulation products (North America)

Saint-Gobain, through its ISOVER brand, is a European powerhouse in glass wool insulation. The company’s products are used globally for thermal and acoustic insulation in walls, roofs, and floors, supported by extensive R&D in material science.

Sustainability & Innovation Initiatives:

• Ambition to achieve net-zero carbon emissions by 2050

• Development of high-performance, lightweight insulation panels

• Global recycling programs for glass waste

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8️⃣ 3. Knauf Insulation

Headquarters: Iphofen, Germany
Key Offering: ECOSE® Technology-based glass mineral wool, Earthwool® insulation

Knauf Insulation is a family-owned company and a major global player, recognized for its innovative ECOSE® Technology, a bio-based binder that reduces embodied energy and improves indoor air quality.

Sustainability & Innovation Initiatives:

• Over 70% of products made with ECOSE® Technology, derived from natural materials

• Targeting a 15% reduction in carbon intensity by 2025

• Focus on circular economy principles in manufacturing

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7️⃣ 4. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: JM Climate Pro™ fiberglass insulation, Formaldehyde-free™ products

A Berkshire Hathaway company, Johns Manville manufactures a wide array of insulation products for building and industrial applications. The company is known for its high-quality, formaldehyde-free fiberglass insulation that meets rigorous health and safety standards.

Sustainability & Innovation Initiatives:

• Committed to 100% landfill-free operations at manufacturing sites

• Investment in next-generation, sustainable binders and manufacturing processes

• Product innovations focused on enhancing fire resistance and thermal performance

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6️⃣ 5. Rockwool International A/S

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

While primarily a stone wool manufacturer, Rockwool’s expertise in high-performance insulation makes it a key competitor. The company’s products offer exceptional fire resistance, acoustic dampening, and thermal stability, often used in conjunction with fiberglass solutions in complex building systems.

Sustainability & Innovation Initiatives:

• Ambition to have a positive impact on the environment, contributing to the circular economy

• Use of recycled content (slag) in stone wool production

• Development of energy-efficient façade systems

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5️⃣ 6. URSA Insulation

Headquarters: Madrid, Spain
Key Offering: URSA Glasswool insulation rolls and panels, PUR panels

URSA, part of the Xella Group, is a leading European manufacturer of insulation materials. The company produces a comprehensive range of glass mineral wool products for all types of building applications, known for their ease of installation and high performance.

Sustainability & Innovation Initiatives:

• Focus on Cradle to Cradle Certified® product design

• High recyclability of glass wool products

• Partnerships to improve insulation recycling streams

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4️⃣ 7. Kingspan Group

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

Kingspan is a global leader in high-performance insulation and building envelope solutions. Although its core strength lies in rigid board insulation, its influence on the broader insulation market and its commitment to energy efficiency set a high industry standard.

Sustainability & Innovation Initiatives:

• NET ZERO ENERGY commitment by 2030

• Pioneering the use of recycled PET in insulation cores

• Investment in renewable energy for manufacturing facilities

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3️⃣ 8. Guardian Fiberglass

Headquarters: Auburn Hills, Michigan, USA
Key Offering: Fiberglass insulation for residential and commercial markets

Guardian Fiberglass, a subsidiary of Guardian Industries, is a significant North American manufacturer. The company produces a full line of fiberglass insulation products, including batts, rolls, and loose-fill, serving both new construction and retrofit markets.

Sustainability & Innovation Initiatives:

• Utilization of high recycled glass content in manufacturing

• Focus on energy-efficient production technologies

• Commitment to sustainable sourcing and manufacturing practices

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2️⃣ 9. CertainTeed (Saint-Gobain North America)

Headquarters: Malvern, Pennsylvania, USA
Key Offering: Sustainable insulation products, including fiberglass batts and blown-in insulation

CertainTeed, the North American building products brand of Saint-Gobain, is a household name in insulation. The company offers a wide portfolio of fiberglass products designed for superior thermal performance and indoor air quality.

Sustainability & Innovation Initiatives:

• Commitment to sustainable manufacturing through the “CertainTeed Sustainable Sole Source” program

• Development of products with high recycled content

• Leadership in promoting building science and proper installation techniques

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1️⃣ 10. Fletcher Insulation

Headquarters: Melbourne, Australia
Key Offering: Glass wool insulation for residential and commercial buildings

Fletcher Insulation is a major player in the Australasian market, providing a comprehensive range of thermal and acoustic insulation solutions. The company is known for its quality products and strong distribution network across the region.

Sustainability & Innovation Initiatives:

• Active participation in Australia’s energy efficiency rating schemes (e.g., NatHERS)

• Focus on products that contribute to higher Green Star and NABERS ratings

• Commitment to reducing the environmental footprint of its operations

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🏗️ Outlook: The Future of Fiberglass Insulation Is Smarter and More Sustainable

The fiberglass insulation panels market is undergoing a significant evolution. While traditional products continue to dominate, the industry is increasingly focused on sustainable materials, enhanced performance, and digital integration to meet the demands of modern construction.

📈 Key Trends Shaping the Market:

• Rise of Green Building Certifications: Demand for insulation that contributes to LEED, BREEAM, and other certifications is accelerating.

• Bio-based Binders: Phasing out traditional formaldehyde-based binders in favor of healthier, plant-based alternatives.

• Focus on Circularity: Increased use of post-consumer recycled glass and development of recyclable insulation products.

• Industrial and HVAC Applications: Growing demand for high-performance insulation in industrial facilities and efficient HVAC systems.

The companies listed above are not only supplying essential building materials—they are actively building a more energy-efficient and sustainable future.

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Fiberglass Insulation Panels Market – View in Detailed Research Report

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