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Slab Edge Fibrous System Spanatherm FJ240

The FJ240 Spanatherm is a sturdy pre-engineered vertically oriented rock fibre movement-joint fire seal that offers extensive movement accommodation as well as fire integrity, insulation and a reliable smoke seal.  FJ240 is a dense rock mineral fibre board Class A1 core with a BC0 aluminium foil applied to two faces. When properly sealed, this offers a smoke seal and a vapour barrier.

Features and Benefits 

  • Tested to BS 476 20-22, up to 2 hours of integrity and 90 minutes of insulation. 
  • Dry fit system.
  • Simple installation. 
  • Acoustic, smoke and vapour seal. 
  • May be put in place before the cladding system is used.
  • No frequently asked questions for this product