Fire Rated Expanding Foam 750ml – B1, Hand Held – Soudal

Fire Rated Expanding Foam 750ml – B1, Hand Held

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Hand-held B1 fire-rated PU foam for gap filling where fire performance matters. Classed B1 to DIN 4102-1, with excellent stability and strong acoustic insulation.

Brand: Soudal

Key Benefits

  • Building material class B1 to DIN 4102-1
  • Excellent stability – no shrinkage or post-expansion
  • Sound insulation of 58 dB
  • Thermal conductivity of 0.035 W/m·K

Where to Use It

  • Filling and insulating fixed window and door frames
  • Cavities, pipe and cable penetrations
  • Acoustic baffles
  • Improving insulation in cooling systems

Technical Specification

Volume 750 ml aerosol (hand held)
Colour Blue
Fire classification B1 (DIN 4102-1)
Skin formation (EN 17333-3) 8.5 minutes
Cutting time (EN 17333-3) 65 minutes
Joint yield (EN 17333-1) approx. 22 m per 750 ml
Box yield (EN 17333-1) approx. 32 litres per 750 ml
Thermal conductivity 0.035 W/m·K
Sound insulation (EN ISO 717-1) 58 dB
Temperature resistance (cured) -40°C to +90°C
Shelf life 12 months unopened, stored upright +5°C to +25°C

Specifications from the Soudal technical data sheet. Typical values – curing and skinning times vary with temperature, humidity and substrate.

Frequently Asked Questions

What does B1 mean?

B1 is the 'flame retardant' building material class under German standard DIN 4102-1.

Is it a fire-stopping product on its own?

B1 is a material class. Fire-resistance of a sealed joint depends on the tested system, so check the certified detail for your job.

What colour is the cured foam?

Blue.

When can it be cut?

After about 65 minutes.

Complete the job: Expanding Foam · Expanding Foam Gun
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