BOSS® Product

BOSS® 334 Minimal Expanding Foam Gun Grade

  • AAMA 812-04 Approved to not bow window and door frames
  • Excellent adhesion on most substrates (except PTFE, PE and PP)
  • High thermal and accoustical insulation
  • Excellent mounting capacities
  • Excellent stability (no shrink or post expansion)
  • Very precise application due to the foam gun system

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