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External Thermal Insulation Composite Systems (ETICS/EIFS)

WACKER offers ideal solutions to meet all the challenges that face modern ETICS: bonding of organic to inorganic elements, as well as protection against moisture, weathering, fire and mechanical stress.

Grades based on vinyl acetate-ethylene (VAE) are particularly suitable:

  • Adhesion is provided by the strong physical affinity of the ethylene copolymer for expanded polystyrene
  • The high ethylene content also increases flexibility and impact resistance without additional plasticizers


  • Good adhesion (to masonry, concrete and EPS panels)
  • Improved flexibility and impact resistance
  • Good compatibility with cement and alkaline surfaces
  • High flame retardancy (particularly VC-containing terpolymers)