Top 10 Companies in the Rock Wool Blanket Industry (2025): Market Leaders Pioneering Thermal and Acoustic Insulation Solutions

In Business Insights
August 11, 2025


The Global Rock Wool Blanket Market was valued at USD 2.17 Billion in 2023 and is projected to reach USD 3.05 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.2% during the forecast period (2024-2030). This growth stems from rising demand for energy-efficient building materials, stringent fire safety regulations, and expanding construction activities worldwide.

As sustainable construction gains momentum, rock wool blankets are becoming indispensable for their superior thermal insulation, sound absorption, and fire-resistant capabilities. This article profiles the Top 10 Companies in the Rock Wool Blanket Industry—innovators transforming building efficiency and industrial insulation.


🔟 1. ROCKWOOL Group

Headquarters: Hedehusene, Denmark
Key Offering: ROCKWOOL Comfortbatt, Cavityrock, Flexi

The undisputed market leader operates across 40+ countries with premium rock wool solutions for both residential and commercial applications, renowned for exceptional fire resistance (withstanding up to 1177°C).

Sustainability Initiatives:

  • 40% recycled content across product lines
  • 100% recyclable products with circular production
  • Carbon neutrality commitment by 2050

Download FREE Sample Report: Rock Wool Blanket Market – View in Detailed Research Report


9️⃣ 2. Knauf Insulation

Headquarters: Shelbyville, Indiana, USA
Key Offering: Knauf Rock Mineral Wool Blankets

This German multinational leads in innovative mineral wool solutions, particularly in energy-efficient building systems and industrial applications across 40 countries.

Sustainability Initiatives:

  • ECOSE® Technology (formaldehyde-free binder)
  • 75% manufacturing waste recycled in 2022
  • 33% reduction in CO2 emissions since 2010

8️⃣ 3. ISOVER (Saint-Gobain)

Headquarters: Courbevoie, France
Key Offering: ISOVER RWA45, URSA PUREONE

Part of the €44 billion Saint-Gobain empire, ISOVER delivers high-performance rock wool solutions for extreme temperature industrial applications and acoustic building solutions.

Sustainability Initiatives:

  • Net-zero carbon roadmap to 2050
  • 30% recycled glass content in products
  • 91 industrial sites with ISO 14001 certification

7️⃣ 4. Johns Manville

Headquarters: Denver, Colorado, USA
Key Offering: JM Mineral Wool Blankets

This Berkshire Hathaway subsidiary dominates North American markets with industrial-grade rock wool capable of withstanding 1000°C continuous operating temperatures.

Sustainability Initiatives:

  • 30% GHG reduction since 2010
  • Zero landfill status at 3 manufacturing plants
  • Closed-loop water systems in all facilities

Download FREE Sample Report: Rock Wool Blanket Market – View in Detailed Research Report


6️⃣ 5. Luyang Energy-saving Materials

Headquarters: Shandong, China
Key Offering: LY Rock Wool Insulation Blankets

China’s largest producer with 12 manufacturing bases specializes in high-density (120-200 kg/m³) rock wool for industrial furnace insulation and piping applications.

Sustainability Initiatives:

  • Waste heat recovery systems in all plants
  • National Green Factory certification (China)
  • 30% reduction in coal consumption since 2018

5️⃣ 6. GRUPO HYT

Headquarters: Madrid, Spain
Key Offering: HYT Rock Wool Blankets

Spanish specialist in high-temperature industrial insulation with proprietary binders that maintain integrity up to 1100°C, widely used in petrochemical and power plants.

Sustainability Initiatives:

  • 50% recycled raw material usage
  • Waste reduction programs at all sites
  • Low-VOC product formulations

4️⃣ 7. Thermo Feuerungsbau

Headquarters: Lübeck, Germany
Key Offering: ThermoRock Blankets

German engineering specialist producing ultra-high temperature (1400°C) rock wool solutions for foundries, smelters, and aerospace applications.

Sustainability Initiatives:

  • 90% production waste recycled
  • Energy-efficient tunnel kiln technology
  • R&D in bio-based binders

3️⃣ 8. Nutec

Headquarters: Autlan, Mexico
Key Offering: Nutec Rockwool Blankets

Latin America’s largest producer serving automotive, oil/gas, and construction sectors with customized density solutions (50-200 kg/m³).

Sustainability Initiatives:

  • 100% natural gas-powered factories
  • Local mineral sourcing (60km radius)
  • Water recycling systems at all plants

2️⃣ 9. PUNJSTAR INDUSTRIES

Headquarters: Punjab, India
Key Offering: PS Rockwool Blankets

India’s fastest-growing manufacturer focusing on cost-effective solutions for tropical climates with enhanced moisture resistance.

Sustainability Initiatives:

  • Waste-to-energy initiatives
  • Rural employment generation programs
  • Dust suppression systems

1️⃣ 10. CCE WOOL

Headquarters: Jiangsu, China
Key Offering: CCE Stone Wool Blankets

Rapidly expanding Chinese producer exporting to 30+ countries with competitive pricing for developing markets.

Sustainability Initiatives:

  • Electrostatic precipitators for emissions control
  • Process water treatment systems
  • 30% energy reduction since 2020

Get Full Report Here: Rock Wool Blanket Market – View in Detailed Research Report


🏭 Outlook: The Sustainable Future of Rock Wool Insulation

The rock wool blanket market is undergoing a green transformation as circular economy principles reshape manufacturing processes and product development.

📈 Key Market Trends:

  • 50% increase in LEED-certified projects using rock wool (2020-2023)
  • New fire safety codes driving adoption in high-rises
  • Industrial sector accounts for 43% of demand (2023)
  • Asia Pacific to contribute 58% of global growth through 2030

Get Full Report Here: Rock Wool Blanket Market – View in Detailed Research Report

These market leaders aren’t just manufacturing insulation—they’re engineering safer, quieter, and more energy-efficient built environments for tomorrow.