Ready to use Zircon paste dedicated to superstructure joints filling during hot operations or cracked blocks repairs.

The Repair Joint Z Ready is a zircon based sealing and jointing product that combines the easiest application solution with the best refractory properties in compliance with the best EHS standards to improve the tightness or the lifetime of the different zones of your furnace.
Thanks to its pure zircon composition, it makes an excellent chemical barrier between silica walls and high alumina content walls.
It is also recommended for silica superstructures hot repairs.


  • Stable solution: To fill gaps up to 20mm (<1 inch) maximum during hot operations
  • Longevity: During its setting and all along its lifetime, the Repair Joint Z Ready exhibits very little dimensions changes
  • Ready to use product: The Repair Joint Z Ready does not need any specific preparation else than a re-homogenization stage
Dust free Pumpable Hot application Fast heat up Supervision
dust free icon pumpable icon hot icon fast heat up icon supervision icon


repair joint Z ready scenario
repair joint z ready scenario

This product fits perfectly to these furnaces

Container Flat Specialty Insulation Reinforcement
container furnace flat furnace icon speciality furnace icon insulation furnace icon reinforcement icon


And these areas

Superstructure Regenerator chambers



Technical information


  • Bulk density: 3,29 T/m3 (206 pcf)
  • Open porosity: 21%


big bag



Chemical analysis
  ZrO2 SiO2 Al2O3      
Repair Joint Z Ready 63% 34% 1.8%