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.