Soudal FR B1 Fire silicone is a neutral cure silicone designed for applications where fire resistance is required.
Ideal for building projects that require a high degree of preventing the spread of fire and smoke.
Highly elastic fire rated neutral cure silicone sealant with a fire rating of up to 4 hours in certain joint configurations according to EN 1366 Part 4.
Key features:
- High level of fire retardation
- Sealant for preventing the passage of smoke and gas
- Very good adhesion on many materials
- Permanently elastic after curing
- Very easy to apply
- Colourfast and UV resistant
- Low modulus
- Not paintable