Everbuild Fire Sealant 400 Silicone 380ml – BOX OF 25

Everbuild Fire Sealant 400 Silicone 380ml – BOX OF 25

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.

Units Per Pack 20
Size 600ml
Unit Price £7.42 ex VAT

£162.25 ex VAT

Everbuild Tecnic 400 Fire Sealant Fire Rated Silicone Sealant is a four hour rated, neutral cure, elastic sealant that gives a firm yet flexible (+/- 25%) seal to joints in a variety of fire rated structures including fire walls, partitions and other building surfaces both porous and non-porous with joins up to 50mm wide. Due to its excellent weather characteristics this fire rated sealant is suitable for both internal and external use. An additional benifit of Tecnic 400 is it also forms an acoustic seal. Tested in accordance with BS EN 1366-4:2006, BS EN ISO 140-3:1995 and EN 13141-1.


  • All building joints which require a fire rating.
  • Sealing joints in fire walls, partitions and other structures.
  • Ideal for use for fire rated expansion joints.

Characteristics / Advantages

  • Fire rated to BS EN 1366-4:2010
  • Neutral cure – adheres to most building surfaces, porous and non porous.
  • Permanently flexible (25% movement accommodation).
  • Excellent weathering characteristics – suitable for internal and external use.
  • Can be used in joints up to 50mm wide.
  • Non slump – easy to apply and tool off
  • Forms an acoustic seal