Boss Products

Boss Products offers a wide variety of products, from state-of-the-art adhesives and industrial sealants to anti-seize compounds.
Products Include:
  • Silicones
  • Latexes
  • Polyurethanes
  • Anaerobics
  • Cyanoacrylates
  • Silicone Lubricants
  • Polyurethane Foam Sealants
  • Hand Cleaners
  • Aerosols
  • Anti-seize Compounds
  • Coil Cleaners

Minimal Expanding
Multi-Purpose Foam

Model #: BOSS® 334

BOSS® 334 Minimal Expanding Foam is a one-component, self-expanding, ready-to-use polyurethane foam with a plastic adaptor head for use with a foam applicator gun.


  • AAMA 812-04 approved
  • CFC propellant-free
  • Excellent mounting capacities
  • Excellent stability (no shrink or post-expansion)
  • Very precise application due to the foam gun system
  • Low pressure build, reducing the chance of bowing
  • VOC Compliant


  • Installing window and door frames
  • Filling of cavities
  • Sealing of all openings in roof construction
  • Creation of a soundproof screen
  • Mounting and sealing of window and door frames
  • Connecting of insulation materials and roof constructions
  • Application of a soundproofing layer on motors
  • Improving thermal isolation in cooling systems


For more information contact Customer Service