Soudal Fire Silicone B1 FR is a high quality, neutral cure, elastic, single-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). Ideal for linear building and glazing joints which require a fire rating and fire rated expansion joints.
