Evonik

Protectosil 266

Silane water-repellent for masonry

Protectosil 266 is a free-flowing colorless to slightly yellow, frost resistant liquid based on a silane/ siloxane. Protectosil 266 can be applied at full-strength or after dilution with suitable solvents, such as ethanol or white spirit.

Key Features

  • Water-vapor-permeable, colorless impregnation
  • Non film-forming
  • Effective on hairline cracks up to 0.3 mm
  • Good reduction of the water absorption
  • Good penetration
  • Suitable as a primer for facade topcoat
  • Frost resistant 

Recommended Applications

  • Plaster facades
  • Sand-lime brickwork
  • Brickwork
  • Autoclaved aerated concrete
  • Cement fiber board