Soudal B1 Fire Class Expanding Foam 750Ml


Code 132728

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Additional Info

The Hand Held FIRE RATED foam filler is a one-component, expanding polyurethane foam filler designed for fire-rated applications. It has a rapid curing time and offers excellent thermal and acoustic insulation properties. The foam filler provides primerless adhesion on most construction materials.

This foam filler is specifically intended for use in passive fire protection systems. It can be used as a large gap filler, for the installation of fire retardant window and door frames, and for sealing expansion and connection joints and penetration seals. It also provides thermal and acoustic insulation around doors and window frames, pipe penetrations, insulation and roofing materials, and in general construction applications.


  • Fire rated polyurethane foam filler
  • EN1366-4 – Fire resistance, up to 4 hours depending on joint configuration
  • Fire class DIN 4102 B1
  • Acoustic rating - 58 dB
  • Insulation factor - 36mW/mK

*See downloads for technical information

Delivery Info

Our standard delivery takes 3-5 working days to ship nationwide. We offer low shipment costs for local delivery rates. Additionally, we also offer a FREE click & collect service for those customers who are near our stores.

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Returns Policy

We hope you are happy with your order, however we are happy to accept returns on items within 14 days, provided the item is like new and in original packaging. 

If your purchase is eligible for return we will guide you through our hassle-free returns process. This could result in a product refund, repair, or exchange.

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