Firestopping Silicone

Mastics & Sealants

KERAFIX® Firestopping Silicone is a neutralcuring single-component sealant for indoor and outdoor use. The material is weather-resistant, elastic, and has excellent adhesion properties.

Field of Application

  •     Joints between room-enclosing walls
  •     Connections between walls and ceilings or walls and floors
  •     Window connection joints
  •     Fire protection glazing
  •     Holes for pipes, cable feed-throughs, ventilation channels, etc.


  •     Building material classification B1 (flame retardant) according to DIN 4102-1
  •     Classification E (normal flammability) according to DIN EN 15651