BOSS® 333

Triple Expanding Polyurethane Foam

BOSS® 333 is a one-component, triple expanding, ready to use polyurethane foam with CFC-free propellants, which are completely harmless to the ozone layer.


  • Excellent adhesion on most building materials (except Teflon, PE and PP).

  • High thermal and acoustic insulation, very good filling capabilities.

  • Excellent mounting capabilities and stability (no shrink or post expansion).




  • Technical Data Sheet

       Typical Applications