Global Resource Technical Expertise - C H Materials Specialists in Passive Fire Protection
Kerafix® Firestop Putty
Building Material classification B2 according to DIN 4102-1
Classification E according to DIN EN 13501-1
General building approval Z-19. 11-1746
European technical approval ETA-13/0666
Kerafix® Firestop Putty is an intumescent sealant with an aqueous dispersion base. On exposure to fire Kerafix Firestop Putty expands from a temperature of 140oC and forms a solid heat-insulating carbon foam. In this way the further spread of fire and smoke is prevented.