SikaSeal®-623 Fire

Fire resistant intumescent sealant for penetration seals

SikaSeal®-623 Fire is a fire resistant, intumescent graphite based  sealant for interior penetration seals.
SikaSeal®-623 Fire is designed to provide a high volume expansion and pressure seal during a fire to combustible pipes that pass through floor and wall service openings.

  • Highly intumescent - volume expansion 20 times original size
  • 1-part ready to use, easy to apply
  • Acoustic insulation
  • Up to 4 hours fire resistance