B1 PU Gun / Straw Foam

Technologically advanced gun polyurethane foam, classified as slow combustible and fireretardant. B1 PU GUN Foam seals against smoke, is self-extinguishing and does not create dripping fireballs when on fire. Product does not emit MDI during application1 and possess M1 emission class for building materials – once cured, the product does not emit any hazardous substances.


  • Fire resistant class EI 240 EN 13501-2:2008, B1 DIN4102
  • ETA – European Technical Assessment
  • M1 emission class
  • O2 0% MDI emission
  • Self-extinguishing
  • Excellent adhesion to most building materials


  • Filling linear gaps
  • Filling gaps around penetrations

Technical Parameters

High yield: up to 42 l
Cutting time: 40 min
Low post expansion: up to 120%
Product name Packaging Content Pieces per box Pieces per pallet
B1 PU Gun/Straw Foam Can 750ml 12 720

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