Top 10 Companies in the Weathering Silicone Sealant ASTM C1193 Structural Glazing Market (2026): Market Leaders Powering Global Construction

MARKET INSIGHTS

The global Weathering Silicone Sealant ASTM C1193 Structural Glazing market size was valued at USD 3.12 billion in 2025. The market is projected to grow from USD 3.31 billion in 2026 to USD 5.48 billion by 2034, exhibiting a CAGR of 5.8% during the forecast period.

Weathering silicone sealants compliant with ASTM C1193 are high-performance sealing materials specifically engineered for structural glazing and curtain wall applications in commercial and residential construction. These sealants are formulated to withstand prolonged exposure to ultraviolet radiation, extreme temperature fluctuations, moisture, and wind-driven rain – delivering exceptional adhesion, flexibility, and long-term durability. ASTM C1193 establishes the standard guide for the use of silicone sealants, covering design, installation, and quality requirements critical to structural and weatherproofing performance in glazing systems.

The market is gaining strong momentum driven by rapid urbanization, increasing demand for energy-efficient building facades, and the global expansion of commercial construction activity. Furthermore, the growing adoption of unitized curtain wall systems in high-rise buildings across Asia-Pacific and the Middle East is significantly contributing to demand. Key players operating in this space include Dow Inc., Sika AG, Henkel AG, and Momentive Performance Materials, all of which maintain broad product portfolios aligned with international glazing standards.

Weathering Silicone Sealant ASTM C1193 Structural Glazing Market – View in Detailed Research Report

🔟 1. Dow Inc.

Headquarters: Midland, United States

Key Offering: DOWSIL™ series of structural and weatherproofing silicone sealants

Dow Inc., formerly Dow Corning, has long been a benchmark in the silicone sealant industry. Its DOWSIL™ portfolio is widely specified in curtain wall and glazing systems across North America, Europe, and Asia-Pacific, offering superior UV resistance and long service life.

Sustainability / Growth Initiatives:

• Investment in low-VOC, high-performance formulations aligned with LEED and WELL certifications
• Expansion of manufacturing capacity to meet growing demand for energy-efficient facades
• Strategic partnerships with leading architects to develop customized sealants for iconic projects

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9️⃣ 2. Momentive Performance Materials

Headquarters: Nashville, United States

Key Offering: Broad portfolio of silicone sealants engineered to meet ASTM C1193 and related standards

Momentive provides a range of high-performance silicone sealants that are critical for structural glazing and architectural OEMs. Its formulations deliver excellent adhesion to glass, metal, and composite substrates.

Sustainability / Growth Initiatives:

• Development of self-leveling, neutral-cure systems for complex joint geometries
• Commitment to reducing carbon footprint through energy-efficient manufacturing processes
• Collaboration with building envelope consultants to certify products for green building programs

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8️⃣ 3. Sika AG

Headquarters: Buchs, Switzerland

Key Offering: SikaSil® product line for unitized curtain wall fabrication

Sika AG is a leading player in the European market, providing high-performance silicone sealants that meet ASTM C1193 requirements. Its products are known for excellent adhesion to glass and metal, as well as long-term durability.

Sustainability / Growth Initiatives:

• Implementation of circular economy principles in silicone production
• Focus on low-VOC formulations to support LEED certification
• Investment in R&D for advanced adhesion primers and hybrid polymer blends

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7️⃣ 4. Wacker Chemie AG

Headquarters: München, Germany

Key Offering: ELASTOSIL® and WACKER® branded structural glazing sealants

Wacker Chemie AG competes strongly in the European and Asian markets, offering silicone sealants that meet ASTM C1193 and European ETAG 002 standards. Its products are favored for high-performance glazing systems.

Sustainability / Growth Initiatives:

• Development of high-performance, low-VOC silicone formulations
• Expansion of distribution networks in emerging economies
• Partnerships with façade engineers to certify products for green building schemes

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6️⃣ 5. H.B. Fuller Company

Headquarters: Westlake, United States

Key Offering: GE Sealants brand (acquired from Momentive) used in architectural sealant applications

H.B. Fuller provides a range of silicone sealants that comply with ASTM C1193, offering reliable performance for structural glazing and architectural applications.

Sustainability / Growth Initiatives:

• Investment in low-VOC and recyclable sealant formulations
• Support for green building certifications through product certification programs
• Expansion of technical support services for glazing contractors worldwide

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5️⃣ 6. Shin-Etsu Chemical Co., Ltd.

Headquarters: Tokyo, Japan

Key Offering: Advanced silicone sealants for structural glazing in Asian construction markets

Shin-Etsu Chemical is a major manufacturer of silicone sealants, providing formulations that meet ASTM C1193 and are tailored to the needs of high-rise projects in Japan and other Asian economies.

Sustainability / Growth Initiatives:

• Development of high-performance, low-VOC sealants for green building projects
• Expansion of R&D capabilities to support innovative glazing technologies
• Collaboration with international standards bodies to align products with ASTM C1193

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4️⃣ 7. Elkem ASA (Silicones Division)

Headquarters: Oslo, Norway

Key Offering: Base materials and formulated sealant products for the silicone industry

Elkem ASA supplies high-quality silicone base materials and formulated sealants, supporting the development of ASTM C1193-compliant products for structural glazing applications.

Sustainability / Growth Initiatives:

• Focus on renewable energy sources for manufacturing plants
• Implementation of low-VOC formulations to meet green building requirements
• Investment in advanced polymer chemistry for improved performance

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3️⃣ 8. Chengdu Guibao Science and Technology Co., Ltd.

Headquarters: Chengdu, China

Key Offering: ASTM C1193-compliant silicone sealants for the Chinese and Southeast Asian markets

Chengdu Guibao is a key player in China, providing high-performance silicone sealants that meet ASTM C1193 and are used in commercial and institutional construction projects.

Sustainability / Growth Initiatives:

• Expansion of production capacity to serve growing demand in emerging economies
• Development of low-VOC formulations for green building certification
• Collaboration with local architects and contractors for product testing

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2️⃣ 9. Guangzhou Baiyun Chemical Industry Co., Ltd.

Headquarters: Guangzhou, China

Key Offering: High-performance silicone sealants for structural glazing and curtain wall systems

Guangzhou Baiyun Chemical provides ASTM C1193-compliant sealants that are widely used in the Chinese construction market, supporting large-scale commercial projects.

Sustainability / Growth Initiatives:

• Implementation of low-VOC formulations for green building projects
• Expansion of R&D to improve adhesion to diverse substrates
• Partnerships with local distributors to enhance market reach

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1️⃣ 10. KCC Corporation

Headquarters: Seoul, South Korea

Key Offering: Structural silicone sealants for domestic and regional glazing markets

KCC Corporation supplies ASTM C1193-compliant silicone sealants used in commercial and institutional construction projects across South Korea and neighboring regions.

Sustainability / Growth Initiatives:

• Focus on low-VOC, high-performance formulations for green building certification
• Expansion of technical support services for glazing contractors
• Investment in advanced polymer research for improved durability

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Outlook: The Future of Weathering Silicone Sealant ASTM C1193 Structural Glazing Market

The market is expected to continue its upward trajectory, driven by the increasing adoption of high-performance glazing systems, stringent building codes, and the global push toward sustainable construction. Technological advancements in silicone chemistry, coupled with expanding unitized curtain wall deployments, will sustain demand for ASTM C1193-compliant products.

Key Trends Shaping the Market:

• Shift toward sustainable, low-VOC formulations aligned with LEED, WELL, and BREEAM certifications
• Rapid expansion of unitized curtain wall and structural silicone glazing (SSG) systems in high-rise projects
• Growing integration of building-integrated photovoltaics (BIPV) and dynamic electrochromic glazing requiring specialized sealants
• Increased focus on extended cure times and flexible installation schedules to meet compressed construction timelines
• Continued emphasis on long service life, UV resistance, and adhesion to diverse substrates such as glass, aluminum, and composite panels