Surfaces are more than just boundaries—they’re the first line of defense. In construction, infrastructure, and industrial design, protecting surfaces from moisture, pollution, and degradation is essential to long-term performance. Evonik’s Protectosil® solutions redefine surface modification by delivering invisible yet powerful protection that lasts.
Whether you're safeguarding concrete structures, natural stone, wood, or other porous materials, Protectosil® silane-based technologies offer unmatched durability, water repellency, and resistance to environmental stressors—without altering appearance or breathability.
Why Choose Evonik for Surface Modification?
- Proven Performance: Protectosil® is trusted worldwide for enhancing surface longevity and reducing maintenance costs.
- Documented Durability: Protectosil® BHN conforms to EN 1504-2, protects hairline cracks of up to 0.3 mm and provides a long-lasting chloride screen for concrete. An Environmental Product Declaration (EPD) is available for Protectosil® BHN.
- Tailored Solutions: Our silane chemistries adapt to diverse substrates and environmental conditions—from urban infrastructure to heritage restoration.
Solutions by Application
Building & Infrastructure Protection
Ideal for bridges, facades, parking decks, and tunnels exposed to moisture, freeze-thaw cycles, and pollutants.
- Protectosil® – Penetrating silane treatments that prevent water ingress, reduce chloride penetration, and minimize corrosion risks in reinforced concrete.
Architectural Surfaces
Used in decorative stone, brickwork, and wood where aesthetics and durability must coexist.
- Protectosil® – Invisible protection with easy-to-clean effect that maintains natural appearance while enhancing resistance to staining and graffiti, weathering, and biological growth.
The Evonik Advantage
- Long-Term Reliability: Proven field performance across decades and continents.
- OC-Compliant Options: Protectosil® BHN and Protectosil® 300 S are 100% active, VOC-compliant silane treatments for concrete.
- Expert Support: Our specialists help you select and apply the right Protectosil® solution for your project’s needs.
Ready to Reinforce Your Surfaces?
Discover how Evonik’s Protectosil® technologies can help you build smarter, protect longer, and reduce lifecycle costs.
Explore our solutions or contact our experts to start your journey toward durable surface protection.