With Soudal Fire Silicone B1 FR, you achieve reliable fire-resistant and smoke-tight sealing for connection and expansion joints across walls, floors, and ceilings. This neutral cure silicone sealant forms an effective barrier against flames, smoke, and gas, offering a fire resistance rating of up to 240 minutes depending on the joint configuration. Thanks to its permanent elasticity with a maximum movement accommodation of 25%, it easily absorbs structural movement without cracking. The smooth formulation is easy to apply and adheres firmly to common building materials such as concrete, masonry, and wood, helping you ensure compliant fire compartmentalization on any construction project.
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