KlasseMELT™ IG100 is a single part butyl rubber based solvent-free hot melt sealant that has been specifically formulated for the manufacture of insulated glass units. KlasseMELT™ IG100 sets very fast, allowing easy handling and fast production of units.


  • Excellent adhesion to aluminium and glass

  • Very low moisture vapour transmission rate (MVT)

  • Excellent UV resistance

  • Easy melting, good flow, fast setting

  • Low smoking and odour

  • 6.5kg block