Mineral Wool Market Impressive Growth at 5.7%

Overview

New York, NY – Nov 11, 2025 – The Global Mineral Wool Market is projected to reach USD 29.9 billion by 2034, rising from USD 17.2 billion in 2024, reflecting a steady CAGR of 5.7% from 2025 to 2034. In 2024, the Asia-Pacific region led the global market with a 43.9% share, generating approximately USD 7.5 billion in revenue. The industry is deeply integrated—from raw material sourcing of basalt and blast-furnace slag to advanced fiberizing and downstream fabrication for batts, boards, and loose-fill insulation products.

Major producers continue to demonstrate large-scale operations and capital-intensive investments. For instance, ROCKWOOL Group reported EUR 3,620 million in total sales for 2023, underlining the company’s global footprint and significant role in mineral wool manufacturing. Across multiple regions, modernization efforts include electric melting systems and automated production lines, which help reduce energy intensity while improving quality consistency and throughput.

The insulation industry’s importance to climate and energy goals is reinforced by the International Energy Agency (IEA), which estimates that 34% of global final energy consumption is attributed to buildings. This highlights the critical role of insulation materials like mineral wool in reducing energy demand and improving efficiency. Demand is being fueled by stricter building energy codes, fire-safety regulations, and the expanding need for industrial thermal management in high-temperature environments.

Policy initiatives are further accelerating adoption. The European Commission’s Renovation Wave aims to renovate 35 million buildings by 2030, effectively doubling annual energy-renovation rates across the EU. This provides a long-term structural boost for high-performance insulation products. Looking ahead, future growth opportunities lie in deep-retrofit programs, industrial decarbonization, and energy-efficiency retrofits, where well-designed insulation systems can reduce energy use by 10% to 45% depending on project scope.

Key Takeaways

• Mineral Wool Market size is expected to be worth around USD 29.9 Billion by 2034, from USD 17.2 Billion in 2024, growing at a CAGR of 5.7%.
• Mineral Wool Blankets held a dominant market position, capturing more than a 32.8% share.
• Dry Process Mineral Wool held a dominant market position, capturing more than a 67.5% share.
• Glass Wool held a dominant market position, capturing more than a 48.9% share.
• Medium-Density Mineral Wool held a dominant market position, capturing more than a 51.4% share.
• Insulation For Buildings held a dominant market position, capturing more than a 44.7% share.
• Asia Pacific region dominated the global mineral wool market, accounting for 43.9% of the total market share, equivalent to approximately USD 7.5 billion.

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Key Market Segments

By Product Analysis – Mineral Wool Blankets Dominate with 32.8% Share in 2024

In 2024, mineral wool blankets emerged as the leading product category, accounting for more than 32.8% of the global mineral wool market. Their dominance is largely due to their excellent thermal insulation, acoustic control, and fire-resistant properties, which make them a preferred choice in both residential and industrial applications. These blankets provide consistent performance in energy conservation and noise reduction, offering builders and engineers an efficient and reliable solution. Moving into 2025, demand is expected to remain high as construction activities increase and awareness of energy-efficient materials grows.

By Processing Method Analysis – Dry Process Mineral Wool Leads with 67.5% Share in 2024

The dry process method held a dominant market position in 2024, capturing over 67.5% of the global mineral wool processing market. This technique is favored for its high efficiency and production consistency, enabling manufacturers to create insulation products—such as blankets, boards, and slabs—with uniform density and performance. Its ability to meet strict thermal and acoustic standards has made it the go-to method for large-scale production. In 2025, the dry process is expected to sustain strong demand as the construction sector expands and regulatory standards tighten.

By Fiber Type Analysis – Glass Wool Holds 48.9% Share in 2024

In 2024, glass wool dominated the mineral wool market by fiber type, accounting for 48.9% of total share. Its lightweight structure, superior thermal insulation, and high fire resistance make it ideal for a wide range of uses—from residential walls and roofs to industrial equipment and commercial spaces. The material’s acoustic properties also make it valuable in soundproofing applications. With global emphasis on energy efficiency and sustainable construction, the demand for glass wool is projected to remain strong in 2025.

By Density Analysis – Medium-Density Mineral Wool Dominates with 51.4% Share in 2024

Medium-density mineral wool led the market in 2024, capturing more than 51.4% of global demand. Its appeal lies in its balanced combination of thermal efficiency, acoustic control, and structural integrity, which makes it suitable for use in walls, ceilings, and industrial equipment. The product offers a strong balance between performance and cost, making it popular among builders and insulation contractors. In 2025, demand is expected to remain steady as energy-efficient construction and soundproofing standards become more prevalent.

By Application Analysis – Building Insulation Leads with 44.7% Share in 2024

The building insulation segment dominated the mineral wool market in 2024, holding more than 44.7% of total market share. This leadership is driven by the surge in energy-efficient construction across residential, commercial, and institutional sectors. Mineral wool’s ability to provide superior thermal insulation, fire safety, and noise reduction makes it indispensable for walls, roofs, and ceilings. Supported by urbanization trends, government incentives, and stricter energy codes, demand is projected to rise further in 2025.

List of Segments

By Product

• Mineral Wool Blankets
• Mineral Wool Boards
• Mineral Wool Rolls
• Mineral Wool Loose Fills
• Others

By Processing Method

• Wet Process Mineral Wool
• Dry Process Mineral Wool

By Fiber Type

• Glass Wool
• Stone Wool
• Slag Wool

By Density

• Low-Density Mineral Wool
• Medium-Density Mineral Wool
• High-Density Mineral Wool

By Application

• Insulation For Buildings
• Insulation For Industrial Applications
• Acoustic Insulation
• Fire Protection
• Others

Regional Analysis

Asia-Pacific Leads with 43.9% Share in 2024, Valued at USD 7.5 Billion

In 2024, the Asia-Pacific region emerged as the dominant player in the global mineral wool market, commanding a 43.9% market share valued at approximately USD 7.5 billion. This strong regional performance reflects Asia-Pacific’s rapid urbanization, industrial expansion, and large-scale infrastructure development, particularly across China, India, Japan, and South Korea.

China remains the largest contributor to regional growth, driven by its vast construction output and government-backed initiatives aimed at green building certification and low-carbon infrastructure. The country’s ongoing investments in sustainable real estate and industrial facilities continue to boost the adoption of high-performance mineral wool insulation. Likewise, India’s expanding real estate sector and national push for energy-efficient and eco-friendly housing have accelerated the use of mineral wool in both new developments and retrofitting projects.

Top Use Cases

Code-compliant building envelopes (walls/roofs/attics): Use mineral wool batts/boards to hit U-value targets while keeping assemblies safe and dry. Buildings operations account for ~30% of global final energy use and ~26% of energy-related CO₂—so tightening envelopes is a high-impact lever. Europe’s Renovation Wave plans to renovate 35 million buildings by 2030, at least doubling annual energy-renovation rates, creating durable demand for high-performance insulation.

Non-combustible fire-resistant assemblies (high-rise, schools, hospitals): Mineral wool is classed A1 (non-combustible) under EN 13501-1, meaning it makes no contribution to fire growth—critical for façade/sub-system fire safety and compartmentation in dense urban buildings. Guidance notes mineral wool can qualify for A1 without testing (with very low organic content).

HVAC ducts & mechanical rooms—cut distribution losses: Wrapping ducts and air-handlers with mineral wool reduces heat loss and fan energy. ENERGY STAR estimates leaky ducts can cut HVAC efficiency by up to 20%; sealing and insulating boosts efficiency and can pay back quickly. DOE also recommends insulating and air-sealing duct systems to curb losses.

Industrial steam/process lines—energy and safety gains: In plants, insulating steam lines, condensate piping and hot equipment lowers surface losses and improves worker safety. DOE’s steam-system sourcebook highlights insulation as a core measure to reduce heat loss from piping and recovery equipment, improving system efficiency. Case studies show tens of thousands of GJ savings annually from steam-system optimization where insulation is a key element.

Acoustic comfort in multifamily, offices, and learning spaces: Mineral wool delivers broadband sound absorption and transmission loss, improving occupant comfort and productivity while protecting thermal targets. Typical technical data list mineral/rock wool thermal conductivity ~0.033–0.037 W/m·K at 10 °C (and product DoPs around 0.034–0.035 W/m·K), enabling acoustic upgrades without sacrificing thermal performance or wall thickness.

Marine & offshore fire protection (SOLAS-rated systems): Ships and offshore platforms require A-rated insulation for bulkheads/ceilings. IMO documents and marine technical manuals show mineral-wool slabs widely used to meet SOLAS fire performance and noise criteria—forming part of approved assemblies in cabins, corridors and machinery spaces.

Recent Developments

In 2023, ROCKWOOL International reported sales of EUR 3,620 million, a modest 4% decline in local currencies compared to 2022. The company delivered an EBIT margin of 14.3%, reflecting resilient profitability despite weak construction markets in Europe and North America. From a market-research lens, ROCKWOOL’s strong position in mineral-wool insulation and global footprint give it a solid base to capture demand when building and energy codes tighten.

In 2023, Knauf Insulation, part of the Knauf Group which achieved EUR 15.6 billion in sales that year, continued to expand its glass- and rock-mineral-wool offering. The firm emphasizes sustainability, advanced production (e.g., new low-carbon plant in Uzbekistan) and global reach across 40+ countries. As a market-research analyst, I note Knauf’s deep integration of mineral wool into its insulation systems positions it well in retrofit and new-build markets where energy efficiency and fire safety are high priorities.

Sheth Insulation Pvt Ltd, established in 1981 and based in Ahmedabad, India, acts primarily as a distributor of insulation materials—including rock wool, glass wool and mineral wool batts and slabs. While specific 2023-24 revenue data for its mineral wool segment is not publicly reported, its website indicates it services industrial and building clients with “mineral wool insulation … ideal material” for temperature, fire and acoustic control. As a market-research analyst, Sheth’s role as a regional specialist distributor aligned with India’s rising insulation demand, positioning it to benefit from increased retrofit and energy-efficiency activity in the South Asian construction market.

Johns Manville Corporation, a subsidiary of Berkshire Hathaway, produces a wide range of insulation products including mineral wool batts made from volcanic basalt rock fibre. Although the company does not publicly disclose mineral wool-only revenue for 2023 or 2024, its annual sales are around US$ 4 billion for the broader insulation & building materials business. From an analyst’s standpoint, Johns Manville’s established manufacturing footprint, well-known brands, and focus on thermal, acoustic and fire-performance insulation give it strong potential to capture growth in both new construction and retrofit segments globally, particularly where mineral wool is specified.

In 2024, Owens Corning reported full-year net sales of US$10.975 billion, up 13% from US$9.677 billion in 2023. While the company covers insulation, roofing and composites, its insulation business—which includes glass and mineral wool products—is central to its strategy. As a market-research analyst, Corning’s strong financial growth and global reach as evidence that its insulation operations are well-positioned to benefit from tightening energy codes and the rising retrofit/new-build pipeline.

In 2023, Saint-Gobain reported annual sales of €47.94 billion, and noted its insulation segment—including mineral wool (glass and stone wool) products—serves both new build and renovation markets. As a market-research analyst, mineral wool lying in its global manufacturing footprint and product portfolio that meets thermal, acoustic and fire-safety needs—especially important as energy-efficiency regulations tighten in Europe and beyond.

Luyang Energy-Saving Materials, listed on the Shenzhen Stock Exchange, reported annual revenue of about ¥3.5 billion for FY 2024 and manufactures rock wool, ceramic and insulation-fiber products. From a market-research view, the firm’s focus on energy-saving materials—including mineral wool—along with its large production bases and domestic China/customer reach, positions it well to benefit from Asia-Pacific’s rapid industrialisation and insulation-driven demand growth.

Conclusion

In conclusion, mineral wool insulation continues to stand out as an essential component in global efforts to reduce energy consumption and enhance building safety. With buildings responsible for roughly 34% of final global energy use according to the International Energy Agency (IEA), the material’s excellent thermal performance, fire-resistance and acoustic insulation make it a strong fit for modern construction demands.

For example, manufacturers are investing in electric melting technologies to reduce energy intensity and improve recyclability, reflecting the industry’s drive toward sustainability. Key global players—such as ROCKWOOL Group which recorded sales of EUR 3,620 million in 2023—underscore the capital intensity and scale of this sector. From a market-research perspective, mineral wool is not simply a commodity: it is becoming a strategic building block for energy-efficiency, safety, and sustainability in both new builds and retrofit markets worldwide.

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