The history of Protectosil®

These consistently reliable product groups belong to our portfolio: water repellents, corrosion control, antigraffiti and easy-to-clean products as well as crack sealers.

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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