Water intrusion can compromise structural integrity, aesthetics, and long-term durability. Evonik delivers and support advanced waterproofing technologies that protect building materials, buildings and infrastructure against moisture damage. Our innovative chemistries ensure superior adhesion, emulsification, crack-healing, flexibility, and resistance for demanding environments.
Why Choose Evonik for Waterproofing?
- Proven Performance: Trustet brands like Catalyst, Polymer, Protectosil®, SITREN®, TEGO® Addibit, TEGOMER®, TEGOPAC®, TEGOPREN®, TEGOSIVIN®, TEGOTEX®, and TEGO® deliver reliable solutions for building materials, infrastructure, sealants, coatings, and membranes.
- Long Service Life: Protectosil® 100 silane water repellent for concrete provides long service life, with reapplication typically every 10–20 years. Protectosil® AQUA-TRETE® 40 is a ready-to-use, low-VOC silane emulsion for concrete.
- Tailored Innovation: From façade protection to flexible membranes, our portfolio adapts to your unique challenges.

Solutions by Application
Building Facades & Infrastructure
- Protectosil® – Silane-based water repellents for concrete, masonry, and stone, ensuring deep penetration and long-lasting protection.
- SITREN® and TEGOSIVIN® – Water-repellent additives for mineral substrates, improving durability and resistance to weathering.
- SITREN® SELFHEAL – additive for self-healing concrete improving durability of infrastructure in contact with water and/or humidity
- TEGOTEX® – Specialty additives for textile-based waterproofing systems, enhancing performance and longevity.
Building materials
Sealants & Liquid-Applied Membranes
- TEGO® Addibit – emulsifiers for bituminous based building sealants
- TEGOPAC® – Silane-modified polymers for elastic, durable sealants and membranes.
- TEGOPREN® – Silicone-based additives for improved flexibility and adhesion in waterproofing formulations.
- Polymer & Catalyst – Essential components for high-performance waterproofing adhesives and coatings.
Functional Enhancers
TEGOMER® & TEGO® – Advanced additives for dispersion, wetting, and surface modification, ensuring optimal processing and application quality.
Your Evonik Advantage
- Long-Term Protection: Extend the life of structures with superior water resistance.
- Global Expertise: Decades of innovation in silane and polymer chemistry.
- Reliable Supply Chain: Consistent quality and availability for uninterrupted projects.
Ready to Build Smarter, Waterproof Structures?
Discover how Evonik’s solutions can help you achieve long-lasting infrastructure protection.
Contact us today or explore our solutions to start your journey toward high-performance waterproofing.