SikaSeal-623 Fire Resistant Sealant

In stock
Regular price £2.50 inc. VAT

SikaSeal-623 Fire Resistant Sealant

SikaSeal-623 Fire is a fire-resistant, intumescent graphite-based sealant/silicone 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.


Restores the fire resistance performance of a floor or wall which incorporates combustible services such as soil and vent pipes or cables.


  • Highly intumescent - volume expansion 20 times original size

  • 1-part ready-to-use, easy to apply

  • Acoustic insulation

  • Up to 4 hours of fire resistance