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