Back to products

Soudal Fire Silicone B1 FR – 300ml (BOX OF 15)




Bulk Discounts

Product Description:

Firesilicone B1 FR is a high quality, neutral, elastic, one-component sealant based on silicones which conforms to the DIN4102 B1 standard for fire retardancy and has a fire rating of up to 4 hours in certain joint configurations (EN 1366 Part 4 – NN713.020 – BS 476/20).


  • Very easy to apply
  • Colourfast and UV-resistant
  • Remains permanently elastic after full cure
  • Very good adhesion on most surfaces
  • Low modulus
  • DIN 4102-Part 2: Class B1
  • Up to 4 hours fire rating with normal PE backing material (see table enclosed)


  • All building and glazing joints which require a fire rating
  • Fire rated expansion joints

Directions for use

Method: caulking gun
Backing material: PE backer rods for correct joint dimension
Application temperature: +1°C to +30°C
Clean: with white spirit
Repair: with Firesilicone B1 FR
Finish: with soapy solution


  • Test Report 9297 – University of Ghent to
  • NBN 713.020 – EN 1366-4
  • BS 476:Part 20 – Warrington Fire Research Report
  • DIN4102-B1 – Institut für Bautechnik, Berlin
  • TNO-rapport 2000-CVB-R00703

Additional Information

Additional Info:
Grey, White,

Brand: Soudal,



Stocks we install and supply

Speak to our professional team for a free quote 01708 555 007
Shop Online