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Milestones in the history of Protectosil®

PROTECTOSIL® CHEM-TRETE, PROTECTOSIL® AQUA-TRETE AND PROTECTOSIL® Water repellents, corrosion inhibitors, anitgraffiti® and easy-to-clean products 

These consistently reliable products belong to our portfolio.


board game, milestones

We have been researching, developing, and producing building protection products for more than 30 years. Some other milestones include:

  • 1968: Patented silanes as water repellents for concrete and masonry

  • 1969: First bridge deck treated

  • 1975: The name CHEM-TRETE is trademarked

  • 1977: First brick building treated

  • 1981: FHWA reports only silane penetrates concrete

  • 1986: Patented for water based silane, AQUA-TRETE

  • 1987: First 100% silane treated structure

  • 1996: First surface applied corrosion inhibitor introduced

  • 2001: Antigraffiti treatment introduced

  • 2006: Ultra low (<100 g/l) water repellent

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