Description

Protectosil 40 S is a silane based free-flowing, colorless liquid. It is specifically intended for the water repellent impregnation of absorbent mineral facade construction materials. Protectosil 40 S is supplied in ethanolic solution ready for application.

  • Water vapor-permeable, colorless impregnation
  • Non film-forming
  • Effective on hairline cracks up to 0.3 mm
  • Significantly reduces the absorption of water and water-borne contaminants (e.g. chlorides)
  • Very good penetration
  • High alkali resistance
  • Suitable for waterproofing under topcoats
  • Frost resistant

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