Product of


Sealing compound

KERAFIX® Firestop Filler is a single-component intumescent dispersion-based fire protection compound. The universally applicable intumescent filler for interior and exterior use forms an insulating foam body when exposed to high temperature. Special feature: a stable foam body with insensitivity to moisture to the greatest extent possible.

Applicability certificate

  • Classification E (normal flammability) according to DIN EN 13501-1
  • European Technical Assessment ETA-19/0495

Application Areas

  • Joints between separating walls
  • Connections between wall and ceiling or floor
  • Openings, cracks, grooves, hollow spaces and joints
  • Fire protection doors and glazing
  • Pipe ducts, cable ducts