JONTSILPU (GG) is a Single component, polyurethane based, elastomeric joint sealantbased upon polyurethane resins.



A single component, polyurethane based, elastomeric joint sealant shall be JONTSILPU (GG). It is based upon polyurethane resins. Theproduct shall exhibit excellent bonding. The product shall have elongation up to 600% & modulus of elasticity approximately 0.25 N/mm2.



  • Joint sealant for wallsand ceilings.
  • As a sealing compound for aluminum window and ACP sheet joints.
  • Joint sealant for expansion joints in buildings and civil works.
  • Interior and exterior use.
  • For use on joints with up to 20% movement.
  • Sealant for prefabricated concrete elements.
  • For use in permanently submerged surfaces.
  • For internal floor joints.


  • High resistance to weather and ageing. Resistant in tropical climates.
  • Excellent recovery capacity.
  • Does not harden over time, even at temperatures between –30°C and + 80°
  • Excellent UV resistance, does not exhibit thermo plasticity(does not soften with heat).
  • Minimum tendency to staining/plasticiser migration.
  • User friendly – excellent extrude-ability/gun-ability.
  • Single component, easily applied.