The Global Glass Wool Insulation Material Market was valued at USD 21.37 Billion in 2023 and is projected to reach USD 32.15 Billion by 2029, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period (2023–2029). This robust growth is fueled by global energy efficiency regulations, rising construction activities in emerging economies, and the accelerating adoption of green building standards across residential, commercial, and industrial sectors.

As the construction industry prioritizes energy conservation and occupant comfort, the focus shifts to the leading insulation manufacturers that are advancing material science, production efficiency, and eco-friendly building solutions. In this blog, we profile the Top 10 Companies in the Glass Wool Insulation Material Industry—a group of global innovators and regional champions transforming how buildings are insulated for a sustainable future.

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🔟 1. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: Fiberglass Insulation Batts, Rolls, and Boards

Owens Corning is a global leader in insulation and building materials, with its PINK FIBERGLAS brand being one of the most recognized in North America. The company produces a comprehensive range of glass wool products for thermal and acoustic applications in residential and commercial construction.

Sustainability Initiatives:

• Achieved 50% recycled content in its glass wool insulation products

• Committed to achieving carbon neutrality by 2050

• Closed-loop manufacturing processes that recycle cullet from post-consumer and post-industrial glass

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

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9️⃣ 2. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: JM Climate Pro Fiber Glass Insulation, JM Spider Eco-Batt

Johns Manville, a Berkshire Hathaway company, is a leading manufacturer of insulation products and building materials. The company offers comprehensive glass wool solutions for residential, commercial, and industrial applications.

Sustainability Initiatives:

• Manufactures insulation with up to 58% recycled content

• Product formulations free of formaldehyde, acrylics, and dyes

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8️⃣ 3. Saint-Gobain

Headquarters: Paris, France
Key Offering: ISOVER Glass Wool Insulation, Climver PIR Sandwich Panels

Saint-Gobain is a global leader in the construction industry, offering innovative insulation solutions through its ISOVER brand. The company operates production facilities across Europe, North America, and Asia-Pacific.

Sustainability Initiatives:

• Target of carbon neutrality by 2050 across all operations

• Patented TEL® technology for dust-free handling and improved performance

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7️⃣ 4. Knauf Insulation

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

Knauf Insulation is a major global manufacturer of insulation products with operations in over 35 countries. The company is known for its ECOSE® Technology, which uses bio-based binders for reduced environmental impact.

Sustainability Initiatives:

• Bio-based binder technology reduces embodied energy and eliminates formaldehyde

• Recycled content up to 80% in its glass wool products

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

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6️⃣ 5. Atlas Roofing Corporation

Headquarters: Wilmington, Delaware, USA
Key Offering: Atura® Sound Control Batts, ProCat® Engineered Insulation Systems

Atlas Roofing is a leading manufacturer of residential and commercial building products, including a full line of glass wool insulation materials for various applications and building types.

Sustainability Initiatives:

• Focus on high-performance building envelope solutions for energy efficiency

• Manufacturing facilities equipped with advanced fiberizing and curing ovens

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5️⃣ 6. PPG Industries

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: PPG Fiber Glass Insulation, Engineered Fibers for HVAC

PPG Industries is a global supplier of paints, coatings, and specialty materials, including fiber glass insulation products for construction and industrial applications.

Sustainability Initiatives:

• Development of high-temperature glass wool for industrial applications up to 450°C

• Investment in circular economy initiatives for glass fiber recycling

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4️⃣ 7. DBW Advanced Fiber Technologies

Headquarters: Wausau, Wisconsin, USA
Key Offering: AFG™ Fiber Glass Insulation Products, Custom Insulation Solutions

DBW Advanced Fiber Technologies specializes in custom-engineered glass wool insulation solutions for specialized industrial, marine, and high-temperature applications.

Sustainability Initiatives:

• Specialization in high-performance industrial insulation requiring custom fabrication

• R&D focus on improving thermal efficiency and fire resistance properties

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3️⃣ 8. URSA Insulation

Headquarters: Madrid, Spain
Key Offering: URSA Glass Wool Insulation, Acoustic Panels

URSA Insulation, part of the Xella Group, is a prominent European manufacturer of insulation materials, with strong market positions in Germany, France, and the United Kingdom.

Sustainability Initiatives:

• Manufacturing process incorporates up to 70% recycled glass content

• Commitment to cradle-to-cradle manufacturing principles for glass wool products

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2️⃣ 9. Kingspan Group

Headquarters: Kingscourt, Ireland
Key Offering: Kooltherm® Phenolic Insulation, Fiber Glass Insulation Products

Kingspan Group is a global leader in high-performance insulation and building envelope solutions, with glass wool products complementing its broader insulation portfolio.

Sustainability Initiatives:

• Planet Passionate sustainability program targeting net-zero carbon manufacturing by 2030

• Investment in next-generation glass wool manufacturing technologies for improved sustainability

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1️⃣ 10. Rockwool International

Headquarters: Copenhagen, Denmark
Key Offering: Rockwool Stone Wool Insulation, Glass Wool Complementary Products

Rockwool International, while primarily known for stone wool insulation, also participates in the glass wool market through complementary product lines and acquisition strategies.

Sustainability Initiatives:

• Complementary glass wool offerings to its core stone wool product range

• Focus on circular economy principles with products that are recyclable at end of life

Read Full Report: Glass Wool Insulation Material Market – View in Detailed Research Report

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🌍 Outlook: The Future of Glass Wool Insulation Is Increasingly Sustainable and High-Performance

The glass wool insulaton market is undergoing significant transformation. While traditional applications continue to dominate market volume, the industry is investing substantially in recycled content optimization, manufacturing efficiency, and eco-friendly product formulations.

📈 Key Trends Shaping the Market:

• Stringent building energy codes driving higher insulation performance requirements

• Growing demand for acoustic insulation in urban residential and commercial developments

• Increased focus on embodied carbon reduction in building materials

• Digitalization of insulation specification and installation processes

• Expansion of manufacturing capacity in Asia-Pacific to serve growing construction markets

Read Full Report: Glass Wool Insulation Material Market – View in Detailed Research Report

The companies listed above are not only insulating global construction—they’re pioneering the sustainable transformation of the built environment.