The Global AI Data Center Insulation Materials Market was valued at USD 442 Million in 2025 and is projected to reach USD 938 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 11.8% during the forecast period (2024–2034). This robust growth is driven by the unprecedented global expansion of artificial intelligence infrastructure, the critical need for thermal management in high-density computing environments, and the accelerating adoption of advanced, sustainable insulation solutions.

As the AI industry demands more powerful and energy-efficient data centers, the role of high-performance insulation has become paramount. These materials are essential for managing extreme heat loads, optimizing cooling system performance, and ensuring the operational stability of mission-critical AI servers. In this blog, we profile the Top 10 Companies in the AI Data Center Insulation Materials Industry—a mix of established building material giants and specialty chemical innovators shaping the future of digital infrastructure.

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🔟 1. Armacell

Headquarters: Münster, Germany
Key Offering: ArmaFlex® Flexible Elastomeric Foam, Specialty Insulation Solutions

Armacell is a global leader in engineered foams and a premier supplier of insulation materials for high-tech environments. Its flagship ArmaFlex® product line, known for its closed-cell structure and excellent moisture resistance, is extensively used in data centers to insulate chilled water pipes and air handling ducts. The company’s materials are critical for preventing condensation and managing thermal efficiency in complex cooling systems.

Innovation & Sustainability Initiatives:

• Development of next-generation, formaldehyde-free elastomeric foams

• Products compliant with international fire safety standards like FM 4922 and UL 723

• Focus on reducing the carbon footprint of manufacturing processes and products

Download FREE Sample Report: AI Data Center Insulation Materials Market – View in Detailed Research Report

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9️⃣ 2. Kingspan Group

Headquarters: Kingscourt, Ireland
Key Offering: Kooltherm® Rigid Boards, Insulated Panels, Acoustic Insulation

Kingspan Group is a global leader in high-performance insulation and building envelope solutions. Its Kooltherm® range offers extremely low thermal conductivity, making it ideal for the walls, roofs, and raised floors of AI data centers where space is at a premium and thermal efficiency is non-negotiable. The company provides comprehensive systems that contribute to achieving ultra-low Power Usage Effectiveness (PUE) ratings.

Innovation & Sustainability Initiatives:

• Planet Passionate sustainability program targeting net-zero carbon manufacturing

• Innovation in bio-based and high-recycled content insulation products

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8️⃣ 3. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: FOAMGLAS® Cellular Glass Insulation, Fiberglass Insulation

Owens Corning is a leading building materials company with a strong presence in the data center sector. Its FOAMGLAS® insulation is a rigid, closed-cell material made from glass, offering exceptional fire resistance (A1 non-combustible rating) and moisture impermeability, which is vital for protecting critical infrastructure. The company’s solutions are used in roofing, wall, and piping applications.

Innovation & Sustainability Initiatives:

• Commitment to achieving carbon neutrality in its operations

• R&D focused on enhancing the thermal performance and durability of insulation systems

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7️⃣ 4. Sika AG

Headquarters: Baar, Switzerland
Key Offering: SikaBiresin® Systems, Spray-Applied Polyurethane Foams, Acoustic Solutions

Sika AG is a specialty chemicals company that provides advanced insulation and sealing solutions. Its product portfolio includes high-performance polyurethane foams for cavity filling and air sealing, which are essential for creating airtight and thermally efficient data center envelopes. Sika’s solutions help minimize air leakage and optimize the performance of cooling systems.

Innovation & Sustainability Initiatives:

• Development of low Global Warming Potential (GWP) foam systems

• Integration of digital tools for precise application and material tracking

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6️⃣ 5. Rockwool A/S

Headquarters: Hedehusene, Denmark
Key Offering: Stone Wool Insulation, Fire Protection Systems

Rockwool A/S is a world leader in stone wool insulation, a material renowned for its superior fire resistance, acoustic damping, and thermal performance. Its non-combustible stone wool products are a cornerstone of passive fire protection in AI data centers, used in partitions, ceilings, and structural elements to compartmentalize fire and protect high-value assets.

Innovation & Sustainability Initiatives:

• Products made from abundant volcanic rock, a naturally recyclable material

• Focus on circular economy principles, including product take-back and recycling programs

Download FREE Sample Report: AI Data Center Insulation Materials Market – View in Detailed Research Report

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5️⃣ 6. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: Fiberglass Insulation, Polyiso Roof Insulation, Micro-Aire® Duct Liners

A Berkshire Hathaway company, Johns Manville is a leading manufacturer of insulation and building products. Its fiberglass and polyisocyanurate foam insulation products are widely used in data centers for roofing and HVAC ductwork. The company’s Micro-Aire® duct liner provides excellent thermal and acoustic properties, contributing to efficient and quiet operations.

Innovation & Sustainability Initiatives:

• Investment in manufacturing processes that reduce energy and water consumption

• Development of products with high-recycled content

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4️⃣ 7. Kaimann (a subsidiary of Armacell)

Headquarters: Bochum, Germany
Key Offering: Kaiflex® EF, Kaiflex® Protect, High-Temperature Elastomeric Insulation

Kaimann specializes in advanced elastomeric foam insulation systems, particularly for demanding technical applications. Its products are engineered to withstand extreme temperatures and harsh conditions, making them suitable for insulating complex piping in liquid cooling systems—a rapidly growing trend in AI data centers. The materials offer low thermal conductivity and effective protection against condensation.

Innovation & Sustainability Initiatives:

• Focus on developing insulation compatible with direct liquid cooling technologies

• Products designed for long service life and reduced lifecycle environmental impact

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3️⃣ 8. Boyd Corporation

Headquarters: Pleasanton, California, USA
Key Offering: Aerosorb® Acoustic Foams, Thermally Conductive Gap Fillers, Thermal Interface Materials

Boyd Corporation is a specialized provider of engineered materials and thermal management solutions. While known for component-level thermal management, its insulation materials, including acoustic foams and specialized gap pads, are used within server cabinets and enclosures to manage noise and prevent heat cross-contamination between hot and cold aisles in high-density AI server racks.

Innovation & Sustainability Initiatives:

• Custom-engineered solutions for specific thermal and acoustic challenges in IT equipment

• Development of silicone-free and recyclable material alternatives

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2️⃣ 9. Thermaflex

Headquarters: Thorn, Netherlands
Key Offering: Thermaflex FRZ, ThermaSmart Evo, Pre-Insulated Piping Systems

Thermaflex focuses on flexible pre-insulated piping systems that are highly efficient for district cooling and internal data center hydronic systems. Its solutions simplify installation and ensure consistent thermal performance for chilled water distribution, which is critical for maintaining precise temperature control in AI compute halls.

Innovation & Sustainability Initiatives:

• Development of systems that reduce installation time and material waste

• Use of cross-linked polyolefin foam, a recyclable and halogen-free material

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1️⃣ 10. Guangdong Welmetal Group

Headquarters: Foshan, China
Key Offering: Mineral Wool Boards, Rock Wool Panels, Custom Fabricated Insulation

Guangdong Welmetal Group is a significant player in the Asian market, supplying cost-effective mineral wool and rock wool insulation products. The company caters to the massive data center construction boom in China and the wider APAC region, providing essential fire-safe and thermal insulation for a wide range of applications, from structural elements to equipment enclosures.

Innovation & Sustainability Initiatives:

• Scaling production to meet regional demand for large-scale data center projects

• Focus on improving product quality and performance to meet international standards

Get Full Report Here: AI Data Center Insulation Materials Market – View in Detailed Research Report

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🌍 Outlook: The Future of AI Data Center Insulation Is Smarter and More Sustainable

The AI Data Center Insulation Materials market is undergoing a pivotal transformation. While traditional materials like mineral wool remain foundational, the industry is rapidly innovating with advanced composites, smart materials, and sustainable alternatives to meet the escalating demands of next-generation computing.

📈 Key Trends Shaping the Market:

• Integration with liquid cooling systems requiring specialized, non-reactive insulation

• Rise of “smart” insulation with embedded sensors for real-time thermal monitoring

• Strong regulatory and corporate push for sustainable, low-carbon insulation products

• Material innovations focusing on enhanced fire retardancy and long-term thermal stability under extreme loads

Get Full Report Here: AI Data Center Insulation Materials Market – View in Detailed Research Report

The companies listed above are not only supplying critical materials for global digital infrastructure—they are enabling the efficient and sustainable growth of the AI revolution.