KBS® Sealant

Our ablative mastic

Ablative sealant for use in cable and mixed penetration seals.

Technical features / advantages

  • Ablative joint sealant, acts by endothermic reaction
  • Halogen-free
  • Highly weather resistant
  • Has similar properties to KBS® Coating in terms of aging and chemical resistance
  • High LOI, which means no flame formation during burning, even in highest oxygen saturation
  • Prevents the generation of toxic and corrosive gases and smoke

Area of application

  • Interior and exterior
  • Joint sealant for cable and mixed penetration seals in conjunction with mineral wool panels to achieve flame resistance and smoke tightness in fire compartmentation

Approvals and test certificates

  • CE-certified
  • European Technical Assessment (ETA): ETA-22/0434
  • FM-Approved for use in KBS® panel seal systems
  • Approved for use in KBS® panel seal systems in Germany (abG): Z-19.53-2326, Z-19.15-1010, Z-19.53-2518
  • Classified for use in KBS® panel seal systems according to EN13501-2
  • Approved for use in KBS® panel seal systems in Switzerland (VKF fire protection application)
  • Marine Approval (MED-B)


For requests regarding technical documents or test and approval certificates, please use downloads or contact: info@fire-protectors.com