FIRESEAL 400 SILICONE GREY - 400GY FIRESEAL 400 is a neutral cure, elastic, acoustic rated silicone sealant which conforms to BS476 Part 20/EN1366-4 (2006) for fire retardancy and has a fire rating of up to 4 hours in certain joint configurations.
Typically used for all building and glazing joints which require a fire rating, 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 and fire rated expansion joints.