Continuous Insulation Market

The continuous insulation market is projected to grow from USD 56.98 billion in 2026 to USD 67.74 billion by 2031, at a CAGR of 3.5% during the forecast period.

The continuous insulation market is growing steadily due to rising demand for energy-efficient buildings, increasing construction activity, and growing awareness of thermal performance and sustainability. Continuous insulation reduces heat transfer and thermal bridging across building envelopes, improving indoor comfort and lowering heating and cooling needs. Materials such as expanded and extruded polystyrene (EPS and XPS), mineral wool, and polyisocyanurate (polyiso) are gaining traction for their thermal insulation performance, durability, and suitability for different construction applications. Increasing demand for exterior wall, roof, and basement insulation, along with expanding residential and non-residential construction, further supports market growth. Sustainability has emerged as a key growth driver, as governments, developers, and building owners increasingly prioritize energy conservation, lower building emissions, and environmentally responsible construction practices. Stricter building energy codes, green building initiatives, and existing-structure renovations are driving adoption of high-performance insulation systems. Furthermore, technological advancements in insulation materials, growing interest in bio-based alternatives, and the need for improved fire resistance, moisture management, and long-term building performance are creating additional opportunities for market expansion.

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Kingspan Group (Ireland), Saint-Gobain (France), Owens Corning (US), ROCKWOOL A/S (Denmark), and Johns Manville (US) are the key players in this market. To increase their market share, these players have pursued acquisitions, expansions, agreements, and product launches.

Kingspan Group (Ireland)

Kingspan Group is an Ireland-based multinational company engaged in the manufacture and supply of high-performance building materials, insulation products and construction systems, as well as specialized infrastructure solutions. The Group operates through two principal business segments: Insulated Building Envelopes and Advansys. The Insulated Building Envelopes segment provides energy-efficient solutions for roofs, walls and floors, including insulated panel systems, insulation materials, roofing and waterproofing systems, mineral fiber insulation, rigid insulation boards, building envelope components and district heating and cooling pipe systems. These products are used in new construction and renovation projects across residential, commercial, industrial and other building applications. The Advansys segment focuses on specialized infrastructure solutions, primarily for data centers, ventilation and daylighting, and includes systems for airflow management, cooling infrastructure, raised access flooring, natural lighting and building environmental control. Its product portfolio also encompasses solutions for water management and integrated building systems. It operates across Europe, the Americas, and the Rest of the World.

Saint-Gobain (France)

Saint-Gobain, a France-based multinational, designs, manufactures, and distributes materials and services for construction and industry. Its solutions serve buildings, infrastructure, renovation, and industrial applications, improving performance, energy efficiency, and durability. Operating in 81 countries across Europe, the Middle East and Africa, the Americas, and Asia Pacific, it reported 2025 sales of 46.5 billion. Its portfolio includes building materials, insulation, glass, construction chemicals and specialized products. CertainTeed, Saint-Gobains North American building-products brand, offers roofing, siding, insulation, gypsum, ceilings and other interior and exterior products, with facilities across the United States and Canada. ISOVER supplies insulation for buildings and technical equipment, including glass wool, stone wool, foams, PIR, EPS and XPS panels, and wood fiber. It operates 61 production sites in 29 countries.

Owens Corning (US)

Owens Corning is a global building and construction materials company known for its engineered insulation, roofing, door products, and composite materials that support energy efficiency and durability across residential, commercial, and industrial construction markets. Its reporting structure comprises several business segments: Roofing, Insulation, and Doors. EIFS-relevant offerings are found primarily within the Insulation segment, where rigid foam sheathing products are used as continuous insulation behind coatings and finishes in exterior wall insulation systems. Owens Corning operates an extensive global manufacturing network of 152 facilities, including 110 owned plants across the US, Europe, Asia Pacific, and the Rest of World.

ROCKWOOL A/S (Denmark)

ROCKWOOL A/S is a Denmark-based manufacturer of stone wool products and solutions serving the building, industrial, and specialized application markets. The business is organized into two segments: Insulation and Systems. The Insulation segment offers stone wool insulation solutions for external walls, roofs, floors, ceilings, industrial facilities, and technical installations. The Systems segment covers non-thermal insulation products and systems, including solutions for acoustic ceilings, horticulture, engineered fibers and other specialized applications. For continuous insulation applications, ROCKWOOL provides stone wool insulation products and external wall insulation systems used as part of building envelope assemblies, including solutions for walls and other building elements where continuous thermal insulation is required.

ROCKWOOL A/S has an international business presence across Western Europe, Eastern Europe and Russia, North America, Asia, and other regions. Its activities across these regions include the production, sale, and distribution of stone wool insulation products and related systems for construction, industrial, and specialized applications. The company serves regional markets through manufacturing, sales, and distribution, with a product portfolio that addresses building insulation, fire protection, acoustic performance, and other technical requirements across different end-use markets.

Johns Manville (US)

Johns Manville (JM), a Berkshire Hathaway subsidiary, manufactures insulation, commercial roofing products, glass fibers, and nonwoven materials for residential, commercial, industrial, and original equipment manufacturer (OEM) applications. Its business is organized into three strategic business units: Insulation Systems, Roofing Systems, and Engineered Products. The Insulation Systems business offers residential insulation products made from fiberglass, polyisocyanurate (polyiso) foam, mineral wool, and spray polyurethane foam. These products are used in walls, attics, floors, ceilings, basements, and crawlspaces to provide thermal and acoustic insulation and support moisture control. The companys building insulation portfolio also includes rigid foam boards and continuous insulation solutions for residential construction and renovation projects.

Market Ranking

In the continuous insulation market, companies are ranked based on revenue, production capacity, technological innovation, and market presence. Leading players such as Kingspan Group (Ireland), Saint-Gobain Limited (France), Owens Corning (US), ROCKWOOL A/S (Denmark), and Johns Manville (US) are driving advancements in the continuous insulation market. Strategic partnerships, acquisitions, and R&D investments are key competitive forces shaping the market.

Related Reports:

Continuous Insulation Market by Insulation Type (EPS & XPS, Mineral Wool, Polyisocyanurate), Application (Exterior Wall, Roof, Basement), End Use (Residential, Non-Residential), and Region (North America, Asia Pacific, Europe) - Global Forecast to 2031

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