The Global Building Thermal Insulation Boards Market was valued at USD 12.8 Billion in 2023 and is projected to reach USD 18.2 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This expansion reflects tightening energy regulations, global net-zero commitments, and heightened demand for sustainable building materials across residential and commercial construction sectors.

With buildings accounting for nearly 40% of global energy consumption, insulation manufacturers are pioneering advanced materials and circular production methods. This analysis spotlights the Top 10 Companies in the Building Thermal Insulation Boards Industry – innovators transforming how structures conserve energy while meeting stringent safety and environmental standards.

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🔟 1. Saint-Gobain

Headquarters: Courbevoie, France
Key Products: ISOVER glass wool, ROCKWOOL stone wool insulation boards

The world’s largest insulation manufacturer, Saint-Gobain operates across 70 countries with vertically integrated production. Its multi-material solutions deliver class-leading thermal performance (λ-values as low as 0.032 W/m·K) and fire resistance up to 1000°C.

Sustainability Leadership:

• Plan to reduce scope 1 & 2 emissions by 33% by 2030
• Closed-loop recycling for 100% of glass wool production waste
• Patent-pending Bio-Based binder technology

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9️⃣ 2. Rockwool International

Headquarters: Hedehusene, Denmark
Key Products: Non-combustible stone wool insulation boards

ROCKWOOL’s volcanic rock-based insulation achieves EU Class A1 fire ratings while delivering thermal conductivity from 0.034 W/m·K. The company operates 48 manufacturing facilities supplying 80+ countries with circular-ready mineral wool solutions.

Sustainability Leadership:

• 34% CO₂ reduction per ton of product since 2019
• 97% recycled content in stone wool production
• First insulation manufacturer with third-party verified EPDs

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8️⃣ 3. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Products: FOAMULAR XPS, Thermafiber mineral wool

A Fortune 500 company, Owens Corning leads in both foam and fiber insulation segments. Their proprietary XPS formulations achieve R-5 per inch, while Thermafiber solutions meet ASTM E136 non-combustibility standards for high-risk applications.

Sustainability Leadership:

• 100% renewable electricity for European operations
• Pink Next Gen fiberglass contains 90% recycled content
• 2030 pledge: 50% absolute emissions reduction

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7️⃣ 4. Knauf Insulation

Headquarters: Shelbyville, Indiana, USA
Key Products: ECOSE® technology glass mineral wool

Knauf’s formaldehyde-free ECOSE® binder revolutionized insulation manufacturing, reducing embodied carbon by 70% versus traditional products. The technology now underpins their complete mineral wool range across 40+ countries.

Sustainability Leadership:

• World’s first carbon-neutral glass mineral wool plant (Visé, Belgium)
• 100% production waste recycled into new insulation
• Net zero commitment accelerated to 2040

Download FREE Sample Report: Building Thermal Insulation Boards Market – View in Detailed Research Report

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6️⃣ 5. Kingspan Group

Headquarters: Kingscourt, Ireland
Key Products: Kooltherm phenolic, Therma PIR boards

A global leader in high-performance insulation, Kingspan’s Kooltherm range achieves industry-leading thermal conductivity (0.018-0.023 W/m·K), enabling passive house compliance with thinner constructions.

Sustainability Leadership:

• Net zero energy manufacturing by 2030
• Insulation boards contain up to 70% recycled PET
• Verified science-based targets for 2030

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5️⃣ 6. Johns Manville

Headquarters: Denver, Colorado, USA
Key Products: Formaldehyde-free fiberglass, polyiso insulation

This Berkshire Hathaway subsidiary specializes in mold-resistant fiberglass and high-R polyiso (R-6.5 per inch) for roofing applications. Their patented polyiso formulations maintain performance in extreme temperatures (-40°F to 250°F).

Sustainability Leadership:

• 73% recycled glass content in fiberglass insulation
• Facilities achieve zero manufacturing waste to landfill
• Third-party verified ISO 14001 compliance

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4️⃣ 7. GAF

Headquarters: Parsippany, New Jersey, USA
Key Products: TUFF-R polyiso, Energysheath XPS

North America’s largest roofing manufacturer integrates insulation with complete roofing systems. Their EnergyGuard polyiso maintains stable R-values under varying temperature conditions, certified by independent testing.

Sustainability Leadership:

• 100% recycled PET facers on polyiso products
• Cool roof technology reducing urban heat island effects
• Responsible Sourcing certified supply chains

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3️⃣ 8. BASF

Headquarters: Ludwigshafen, Germany
Key Products: Styrodur XPS, Neopor graphite EPS

BASF’s graphite-enhanced Neopor EPS improves thermal performance by 20% versus standard EPS. The chemical giant supplies global construction projects through its integrated production network.

Sustainability Leadership:

• Biomass-balanced raw material sourcing
• Cradle-to-Cradle Gold certified products
• Climate-neutral XPS production in Europe

Download FREE Sample Report: Building Thermal Insulation Boards Market – View in Detailed Research Report

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2️⃣ 9. URSA

Headquarters: Madrid, Spain
Key Products: URSA Terra mineral wool, PIR panels

URSA’s Terra mineral wool achieves Euroclass A1 fire classification while delivering λ-values from 0.034 W/m·K. Their PIR solutions feature fiber-free formulations for sensitive applications.

Sustainability Leadership:

• 76% recycled glass content in mineral wool
• Industry-first “green premium” financing for sustainable products
• Product take-back programs in 12 countries

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1️⃣ 10. Atlas Roofing Corporation

Headquarters: Atlanta, Georgia, USA
Key Products: EnergyShield polyiso, EPS geofoam

Specializing in roofing and below-grade solutions, Atlas manufactures insulation boards with proprietary facers that resist moisture penetration (≤0.5% water absorption by volume).

Sustainability Leadership:

• 100% manufacturing waste diversion from landfills
• Low-GWP blowing agents across all foam insulation
• ENERGY STAR Most Efficient certification (2023)

Get Full Report Here: Building Thermal Insulation Boards Market – View in Detailed Research Report

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🏗️ Market Outlook: The Insulation Revolution

The thermal insulation sector is undergoing rapid transformation, driven by three concurrent shifts: stricter building codes (IECC 2021, EPBD recast), material innovations, and circular economy adoption. Leading manufacturers are investing heavily in next-generation solutions:

📈 Key Industry Trends:

• Non-combustible solutions: Growing demand for Euroclass A1 materials in high-rise buildings
• Thin-profile insulation: High-performance PIR/phenolic boards enabling space efficiency
• Bio-based materials: Development of plant-derived insulation alternatives
• Smart insulation: Integration with building automation systems
• Retrofit market growth: 30% CAGR projected in EU residential renovations through 2030

Get Full Report Here: Building Thermal Insulation Boards Market – View in Detailed Research Report

The companies profiled aren’t just manufacturing insulation – they’re redefining how buildings conserve energy while meeting the triple challenge of performance, sustainability, and fire safety.