The Global Wall Insulation Market was valued at USD 42.18 Billion in 2023 and is projected to reach USD 58.94 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 4.9% during the forecast period (2024–2030). This significant growth is primarily driven by stringent government building energy codes, rising consumer awareness of energy conservation, and increased construction activity in both residential and commercial sectors worldwide.

As the construction industry pivots towards sustainability and net-zero carbon objectives, the focus intensifies on the key material manufacturers and suppliers who are pioneering advanced insulation solutions. In this blog, we profile the Top 10 Companies in the Wall Insulation Industry—a diverse group of global leaders and innovators shaping the future of building envelope performance and energy efficiency.

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🔟 1. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: Glass wool, Rock wool, Foam boards, Aerogel insulation

Saint-Gobain is a world leader in the construction materials market, with a comprehensive portfolio of high-performance insulation products under brands like ISOVER and CertainTeed. The company serves a global clientele with solutions for both new construction and retrofit applications, emphasizing durability and thermal efficiency.

Sustainability Initiatives:

• Target to achieve carbon neutrality by 2050

• Significant investments in circular economy and recycled content for insulation

• Development of bio-based insulation materials

Download FREE Sample Report: Wall Insulation Market – View in Detailed Research Report

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9️⃣ 2. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: Fiberglass insulation (PINK FIBERGLAS^®), Foamular^® insulation

Owens Corning is a prominent global player in building and construction materials, renowned for its residential and commercial insulation products. The company’s solutions are engineered to improve energy efficiency, acoustical performance, and fire resistance in buildings.

Sustainability Initiatives:

• Committed to reducing absolute greenhouse gas emissions by 50% by 2030

• Pioneering the use of recycled glass in its fiberglass insulation products

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8️⃣ 3. Kingspan Group

Headquarters: Kingscourt, Ireland
Key Offering: Insulated panels, Rigid insulation boards (Kooltherm, Therma)

Kingspan is a global leader in high-performance insulation and building envelope solutions. The company specializes in advanced rigid foam insulation boards and insulated metal panels that deliver exceptional thermal performance for walls, roofs, and floors.

Sustainability Initiatives:

• Net-zero energy manufacturing goal by 2030 (Planet Passionate)

• Developing insulation products with circular content and reduced embodied carbon

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7️⃣ 4. Rockwool International

Headquarters: Hedehusene, Denmark
Key Offering: Stone wool insulation products

Rockwool International is a leading manufacturer of stone wool insulation, providing solutions that offer fire resilience, acoustic comfort, and thermal efficiency. Their products are used in a wide range of applications, from exterior walls to interior partitions.

Sustainability Initiatives:

• Ambition to become a circular and energy-positive company

• Utilizing recycled content and producing recyclable products

Download FREE Sample Report: Wall Insulation Market – View in Detailed Research Report

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6️⃣ 5. Knauf Insulation

Headquarters: Iphofen, Germany
Key Offering: Glass mineral wool, Rock mineral wool, EPS insulation

Knauf Insulation is a major global manufacturer with a strong focus on energy-efficient and sustainable building solutions. Their products are known for high quality and are compliant with the most demanding international building standards.

Sustainability Initiatives:

• Earthwool^® products made with ECOSE^® Technology, a bio-based binder

• Commitment to reducing the carbon footprint of its operations and products

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5️⃣ 6. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Neopor^® (EPS), Styrodur^® (XPS), Polyurethane foams

BASF is a chemical giant with a significant presence in the construction industry through its advanced materials division. The company offers a range of foam insulation products that provide high R-values and are suitable for various wall assembly types.

Sustainability Initiatives:

• Developing insulation materials with lower global warming potential (GWP)

• Integrated into the circular economy through product stewardship programs

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4️⃣ 7. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: Fiberglass insulation, Polyiso foam boards, Commercial roofing insulation

A Berkshire Hathaway company, Johns Manville is a leading manufacturer and marketer of premium-quality building insulation products. The company serves both the residential and commercial construction markets with a focus on innovation and sustainability.

Sustainability Initiatives:

• Focus on product innovation to enhance energy efficiency in buildings

• Implementation of sustainable manufacturing processes

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3️⃣ 8. GAF

Headquarters: Parsippany, New Jersey, USA
Key Offering: Roof and wall insulation systems, Polyiso insulation boards

GAF is North America’s largest roofing and waterproofing manufacturer, with a growing portfolio of wall insulation solutions. Their systems are designed to work seamlessly with other building envelope components for optimal performance.

Sustainability Initiatives:

• Commitment to sustainable product development and reducing environmental impact

• Investment in research for more sustainable insulation materials

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2️⃣ 9. Recticel

Headquarters: Brussels, Belgium
Key Offering: Polyurethane (PUR/PIR) foam insulation boards, Engineered Foams

Recticel is a European specialist in polyurethane chemistry, producing high-performance insulation boards known for their excellent thermal properties and thin profiles. Their products are widely used in exterior wall insulation systems.

Sustainability Initiatives:

• Developing insulation solutions that contribute significantly to energy savings in buildings

• Focus on reducing the environmental footprint of production processes

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1️⃣ 10. Atlas Roofing Corporation

Headquarters: Atlanta, Georgia, USA
Key Offering: Polyiso insulation, Fiberglass insulation, Specialty building products

A subsidiary of Atlas Molded Products, Atlas Roofing is a key North American supplier of polyisocyanurate (polyiso) insulation for commercial and residential walls and roofs. The company is recognized for its consistent product quality and technical support.

Sustainability Initiatives:

• Production of insulation with recycled content

• Contributing to building energy codes that promote higher efficiency standards

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

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

The wall insulation market is experiencing a fundamental transformation. While traditional materials continue to hold significant market share, the industry is rapidly innovating with bio-based materials, smart insulation technologies, and products with lower embodied carbon.

📈 Key Trends Shaping the Market:

• Rising demand for exterior insulation and finish systems (EIFS) for retrofitting existing buildings

• Stringent building energy codes mandating higher R-values and continuous insulation

• Growing adoption of aerogel and vacuum insulation panels (VIPs) for high-performance applications

• Increased focus on healthy building materials with low VOC emissions

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

The companies listed above are not only supplying essential building materials—they are actively engineering the energy-efficient buildings of tomorrow.