The Global Fiberglass Building Products Market was valued at USD 10.5 Billion in 2024 and is projected to reach USD 14.7 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2030). This growth is being driven by increasing construction activities, rising demand for energy-efficient and sustainable building materials, and the accelerating adoption of Reinforced Fiberglass Composites across residential and commercial construction sectors.

As the construction industry transforms toward energy-efficient operations and sustainable growth, the spotlight is on the key manufacturers who are driving innovation, durability, and enhanced material performance. In this blog, we profile the Top 10 Companies in the Fiberglass Building Products Industry—a mix of global composite specialists, insulation leaders, and material innovators shaping the future of global building materials.

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🔟 1. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Products: Fiberglass insulation, roofing systems, composite materials

Owens Corning is a global leader in fiberglass and composite materials, offering a comprehensive portfolio of building products for residential, commercial, and industrial applications. Their product line includes thermal and acoustic insulation, roofing shingles, and reinforced composite panels for structural applications.

Innovation & Sustainability Initiatives:

• Pioneering sustainable insulation solutions with recycled content

• Commitment to achieving carbon neutrality in operations by 2050

• Development of advanced composite materials for lightweight construction

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9️⃣ 2. Saint-Gobain

Headquarters: Paris, France
Key Products: Fiberglass insulation, reinforcement meshes, composite panels

Saint-Gobain operates across 76 countries and is one of the world’s leading manufacturers of construction materials. Their fiberglass division produces insulation products, reinforcement grids for facades, and composite materials for various construction applications.

Innovation & Sustainability Initiatives:

• Global leader in sustainable construction solutions

• Investment in energy-efficient manufacturing processes

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8️⃣ 3. Johns Manville

Headquarters: Denver, Colorado, USA
Key Products: Building insulation, roofing membranes, composite materials

Johns Manville, a Berkshire Hathaway company, manufactures and markets premium-quality fiberglass building products. The company’s portfolio includes insulation for residential and commercial buildings, roofing systems, and engineered composites.

Innovation & Sustainability Initiatives:

• Development of formaldehyde-free insulation products

• Focus on sustainable manufacturing and circular economy principles

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7️⃣ 4. Jushi Group

Headquarters: Tongxiang, Zhejiang, China
Key Products: Fiberglass reinforcements, composite materials, insulation products

Jushi Group is one of the world’s largest fiberglass producers, with manufacturing facilities across China, South Africa, and other global locations. The company supplies raw materials and finished products to construction manufacturers worldwide.

Innovation & Sustainability Initiatives:

• Global expansion of production capacity to meet growing demand

• Strategic focus on aerospace and automotive composites

Download FREE Sample Report:
Fiberglass Building Products Market – View in Detailed Research Report

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6️⃣ 5. China Beihai Fiberglass

Headquarters: Weihai, Shandong, China
Key Products: Fiberglass meshes, reinforcement fabrics, composite panels

China Beihai Fiberglass is a major Chinese fiberglass manufacturer with a strong presence in the Asia-Pacific construction market. The company produces fiberglass reinforcement products for concrete, wall covering materials, and insulation systems.

Innovation & Sustainability Initiatives:

• Specialization in fiberglass mesh for construction and renovation

• Leading exporter of building reinforcement materials worldwide

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5️⃣ 6. PPG Industries

Headquarters: Pittsburgh, Pennsylvania, USA
Key Products: Fiberglass reinforcements, composite materials, building coatings

PPG Industries is a global supplier of paints, coatings, and specialty materials. Their fiberglass division produces reinforcement materials, composite panels, and specialty building products.

Innovation & Sustainability Initiatives:

• Development of advanced composite coatings for building protection

• Focus on sustainable coatings and composite solutions

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4️⃣ 7. Knauf Insulation

Headquarters: Iphofen, Germany
Key Products: Fiberglass insulation, composite materials, building reinforcements

Knauf Insulation is a global manufacturer of insulation materials with operations in over 35 countries. The company produces glass mineral wool insulation for thermal and acoustic applications in buildings.

Innovation & Sustainability Initiatives:

• Specialization in energy-efficient insulation solutions

• Commitment to achieving circular economy in building materials

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3️⃣ 8. Taishan Fiberglass

Headquarters: Taian, Shandong, China
Key Products: Fiberglass reinforcements, composite panels, insulation materials

Taishan Fiberglass is a leading Chinese manufacturer of fiberglass reinforcements and composite materials. The company supplies building product manufacturers with raw materials for various construction applications.

Innovation & Sustainability Initiatives:

• Global supplier of composite reinforcements for construction

• Investment in advanced manufacturing technologies

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2️⃣ 9. Chongqing Polycomp International

Headquarters: Chongqing, China
Key Products: Fiberglass meshes, reinforcement fabrics, composite building panels

Chongqing Polycomp International is a major Chinese manufacturer of fiberglass products with a strong focus on building materials.

Innovation & Sustainability Initiatives:

• Specialization in fiberglass reinforcements for concrete and wall systems

• Leading supplier of composite materials for infrastructure projects

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1️⃣ 10. Braj Binani Group

Headquarters: Mumbai, Maharashtra, India
Key Products: Fiberglass reinforcements, insulation materials, composite panels

Braj Binani Group operates in the fiberglass sector through its manufacturing facilities in India and other global locations. The company produces fiberglass reinforcement meshes, insulation products, and composite building materials.

Innovation & Sustainability Initiatives:

• Manufacturer of reinforcement meshes for construction applications

• Focus on developing markets in Asia and Middle East regions

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🌍 Outlook: The Future of Fiberglass Building Products Is Smarter and More Sustainable

The fiberglass building products market is undergoing a significant transformation. While traditional applications still dominate in volume, the industry is investing heavily in advanced composites, energy-efficient manufacturing, and sustainable material solutions.

📈 Key Trends Shaping the Market:

• Growing demand for energy-efficient insulation in green building certifications

• Increased adoption of fiberglass reinforcements in infrastructure projects

• Rising focus on recyclable and sustainable building materials

• Technological advancements in composite manufacturing processes

Read Full Report:
Fiberglass Building Products Market – View in Detailed Research Report

The companies listed above are not only building the world’s infrastructure—they’re driving the sustainable transformation of global construction practices.