Evonik – Leading Beyond Chemistry

Protectosil® by Evonik

Discover a powerful line of silane-based surface treatments designed to preserve & protect concrete, masonry, & natural stone backed by decades of innovation & performance.

Advanced Surface Protection. Proven Performance.

Water Repellents for Biologic Growth – “Protectosil® protects surfaces from biological growth.” — Alaska Native

Protectosil on Pool Decks – “Protectosil® protects pool decks from chloride intrusion.”

Parking Garage – “Protectosil® defends parking garages against chloride intrusion, alkali attack, and any other waterborne contamination.”

Protectosil on Pool Decks – “Protectosil® protects pool decks from chloride intrusion.”

Parking Garage – “Protectosil® defends parking garages against chloride intrusion, alkali attack, and any other waterborne contamination.”

Brick Building – “Protectosil® works on many different substrates, like concrete, brick, and natural stone to protect new and existing architecture.”

Oregon Convention Center

Portland Timbers

TmesSquare

Church of the Latter-Day Saints Temple – Portland, OR

Skyscraper Application – “The Protectosil® portfolio provides
solutions for all horizontal and vertical applications.” — Skyscraper Application – “The Protectosil® portfolio provides solutions for all horizontal and vertical applications.”

Seattle stadium

Protectosil on Pool Decks – “Protectosil® protects pool decks from chloride intrusion.”

Water Repellents for Biologic Growth – “Protectosil® protects
surfaces from biological growth.” — Water Repellents for Biologic Growth – “Protectosil® protects surfaces from biological growth.”

World Trade Center

Advanced Surface Protection. Proven Performance.

Advanced Surface Protection. Proven Performance.

Browse Our Protectosil® Solutions

Water Repellents

Water Repellents – Protection against waterborne contaminants

Corrosion Inhibitors

Protection for reinforcing steel in concrete structures.

Easy-to-Clean/Antigraffiti

Protection against stains, paints, oils, and the like

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Evonik is one of the world’s leading specialty chemicals companies. Protectosil® represents our commitment to innovation, quality, and long-term surface protection across industries.

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© 2025 Evonik Industries AG. All rights reserved. Protectosil® is a registered trademark of Evonik Operations GmbH.