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FIRESEAL 300 is an intumescent acrylic sealant that swells when exposed to temperatures in excess of 150°C to prevent the passage of fire and smoke and has a fire rating of up to 5 hours in certain joint configurations. Fire rated to BS 476 part 20/EN1366-4 (2006).
Typically used for sealing joints, voids and irregular holes in fire walls, partitions and other structures; also for maintaining the integrity of pipes and cables that penetrate them. For internal perimeter pointing of fire rated door and window frames.
