Fire resistant intumescent sealant

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.

• Up to 4 hours fire resistance.
• Highly intumescent - volume expansion up to 25 times original size.
• 1-part ready to use, easy to apply.