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BOSS Universal Foam

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BOSS® Universal Foam is a ready-to-use polyurethane foam that is designed to expand to three times its volume when in contact with air. This polyurethane foam is ready-to-use straight out of the box and is extremely versatile. Its ability to expand fills holes, cracks, and gaps more efficiently than standard caulks, and its unparalleled insulating properties and adhesion make it ideal for all building materials.



This product is available in champagne.



Available in a 750 ml aerosol can.

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  • Excellent stability with a high filling capacity.
  • Freon-free.
  • Good adhesion on all surfaces (except PE, PP, and PTFE).
  • High insulation value – thermal and acoustic.
  • Excellent bonding properties.

  • Installation of doors and window air-sealing.
  • Partition walls with ceilings.
  • Sealing of penetrations around cables and pipes.
  • Seam-filling between chimneys, roof protection, roof panels, and wall panels.

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