The Global Stone Water Repellent Treatments Market was valued at US$ 167 Million in 2022 and is projected to reach US$ 210.3 Million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 3.3% during the forecast period. This consistent growth is fueled by the rising demand for durable infrastructure, the increasing need for historical building preservation, and a global shift towards advanced construction materials that offer superior protection against moisture damage, efflorescence, and biological growth.

As the construction and restoration industries increasingly prioritize longevity and material integrity, the focus turns to the key chemical innovators and manufacturers who are developing high-performance, often invisible, protective solutions. In this blog, we profile the Top 10 Companies in the Stone Water Repellent Treatments Industry—a group of specialty chemical giants and niche solution providers dedicated to safeguarding masonry worldwide.

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🔟 1. Dow Corning (now part of Dow Inc.)

Headquarters: Midland, Michigan, USA
Key Offering: Silane-Siloxane based repellents, Advanced Silicone Sealers

As a pioneer in silicone technology, Dow Corning, now fully integrated into Dow Inc., is a global leader in high-performance stone water repellents. Their products are renowned for deep penetration and long-lasting protection, forming a breathable barrier that repels water while allowing vapor transmission.

Innovation & Sustainability Focus:

• Development of VOC-compliant and environmentally friendly formulations

• R&D in hybrid polymer technologies for enhanced durability

• Commitment to sustainable construction solutions through material science

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9️⃣ 2. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: SILRES® BS silicone resins, Silane-based impregnating agents

Wacker is a major global player in silicone chemistry, offering a comprehensive portfolio of stone protection agents. Their SILRES® product line provides excellent water repellency and salt stabilization, making them ideal for both new construction and the restoration of cultural heritage sites.

Innovation & Sustainability Focus:

• Focus on products with high weather resistance and UV stability

• Development of solutions for complex substrate combinations

• Emphasis on products contributing to building energy efficiency

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8️⃣ 3. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: Dynasylan® silanes, Specialty additive packages for coatings

Evonik leverages its expertise in specialty chemicals to produce high-purity silanes that serve as key ingredients in premium water repellent treatments. Their products enhance the performance of formulations from various manufacturers, ensuring deep penetration and hydrophobic properties.

Innovation & Sustainability Focus:

• Investment in bio-based and green chemistry approaches

• Tailored solutions for specific stone types and climatic conditions

• Strong R&D pipeline focused on next-generation nanostructured materials

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7️⃣ 4. Fassa Bortolo S.p.A.

Headquarters: Bortolo, Italy
Key Offering: Idrocard, Idrosilex, and other specialized masonry protection systems

Fassa Bortolo is an Italian leader in building materials with a strong focus on masonry protection. Their stone water repellent treatments are engineered for the specific challenges of Mediterranean and European climates, offering protection against driving rain and freeze-thaw cycles.

Innovation & Sustainability Focus:

• Extensive product range for historical monument restoration

• Development of photocatalytic treatments for self-cleaning surfaces

• Commitment to the “Italia Beauty” initiative for preserving cultural heritage

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6️⃣ 5. Mapei S.p.A.

Headquarters: Milan, Italy
Key Offering: Mapesil AC, Idrosilex Pronto, and integrated restoration systems

Mapei is a world-leading manufacturer of construction chemicals, offering a complete system of products for stone protection. Their solutions are designed to work synergistically with mortars and grouts, providing a holistic approach to building envelope performance.

Innovation & Sustainability Focus:

• Integrated systems for waterproofing and structural repair

• Leadership in the “Restoration of Architectural Heritage” sector

• Global network of technical support and application expertise

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5️⃣ 6. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: MasterProtect silicone-based treatments, Acrylic-based sealers

BASF’s construction chemicals division provides robust stone protection solutions under the MasterProtect brand. Their products are backed by extensive research and are formulated to meet rigorous performance standards for commercial, residential, and infrastructure projects.

Innovation & Sustainability Focus:

• Development of multi-functional treatments with water repellency and consolidation properties

• Focus on reducing the carbon footprint of building maintenance

• Digital tools for product selection and performance prediction

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4️⃣ 7. Litokol S.p.A.

Headquarters: Sassuolo, Italy
Key Offering: Starlike grout protectors, Stone sealers for interior and exterior use

Litokol, primarily known for its tile adhesives and grouts, also offers a specialized line of stone protection products. Their treatments are designed to prevent staining and water ingress in high-moisture areas like bathrooms and kitchens, as well as on exterior facades.

Innovation & Sustainability Focus:

• Solutions compatible with a wide range of natural stones and ceramics

• Development of odorless and fast-curing formulations for indoor use

• Strong presence in the professional installer market

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3️⃣ 8. Sika Corporation

Headquarters: Baar, Switzerland
Key Offering: Sikagard® water repellents, Concrete and masonry sealers

Sika is a global powerhouse in sealing, bonding, and protection solutions. Their stone water repellent treatments are part of a broader portfolio aimed at enhancing the durability and service life of concrete and masonry structures in civil engineering and building projects.

Innovation & Sustainability Focus:

• Advanced polymer technologies for extreme weather resistance

• Focus on infrastructure protection and bridge deck sealing

• Sika’s “More Value, Less Impact” sustainability strategy guiding product development

Download FREE Sample Report:
Stone Water Repellent Treatments Market – View in Detailed Research Report

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2️⃣ 9. PROSOCO, Inc.

Headquarters: Lawrence, Kansas, USA
Key Offering: Consolideck® products, Siloxane-based clear water repellents

PROSOCO specializes in cleaning and protective treatments for masonry and concrete. They are a respected name in North America, particularly for their focus on breathable treatments that protect without trapping moisture within the substrate, which is critical for long-term performance.

Innovation & Sustainability Focus:

• Pioneer in “Green Thinking” with a range of environmentally preferred products

• Strong emphasis on technical education and proper application techniques

• Products designed to meet or exceed ASTM and other industry standards

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1️⃣ 10. Draco Italiana S.r.l.

Headquarters: Mussolente, Italy
Key Offering: Hydro-repellent creams, Anti-graffiti coatings, Anti-efflorescence treatments

Draco Italiana is a specialized manufacturer of chemical products for building protection and restoration. They offer a focused range of highly effective stone water repellents, known for their ease of application and performance on a variety of porous materials.

Innovation & Sustainability Focus:

• Development of concentrated formulations to reduce packaging and shipping impacts

• Specialized products for combating specific issues like rising damp and salt contamination

• Active participation in the restoration of Italian architectural heritage

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Stone Water Repellent Treatments Market – View in Detailed Research Report

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🏛️ Outlook: The Future of Stone Protection Is Smarter and More Sustainable

The stone water repellent treatments market is evolving beyond basic waterproofing. The industry is now focused on developing multi-functional, intelligent coatings that not only repel water but also contribute to the overall sustainability and performance of buildings.

📈 Key Trends Shaping the Market:

• Rising demand for breathable, vapor-permeable treatments to prevent structural damage from trapped moisture.

• Integration of photocatalytic properties for self-cleaning surfaces that break down organic dirt and pollutants.

• Development of bio-based and low-VOC formulations driven by stringent environmental regulations and green building standards like LEED and BREEAM.

• Increased focus on historical preservation, requiring specialized, reversible, and non-invasive treatment options.

Get Full Report Here:
Stone Water Repellent Treatments Market – View in Detailed Research Report

The companies profiled above are not just selling chemicals; they are providing essential solutions for durability and preservation, ensuring that our built environment—from ancient monuments to modern skyscrapers—stands the test of time.