Nullifire FJ240 Spanatherm Cavity Barrier

Nullifire FJ240 Spanatherm Cavity Barrier


FJ240 Spanatherm Cavity Barrier

FJ240 Spanatherm is a strong preengineered rock fibre movement-joint fire seal, vertical fibre orientation, that allows significant movement accommodation at the same time as providing fire integrity, insulation and an effective smoke seal. FJ240 is a dense rock mineral fibre board Class A1 core with a BC0 aluminium foil applied to two faces. This provides a vapour barrier and a smoke seal when correctly sealed.

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    • Up to 2 hours integrity and 90 minutes insulation - Tested to BS 476 20-22.

    • Dry fit system.

    • Easy to install.

    • Vapour, smoke and acoustic seal.

    • Can be installed prior to the application of the cladding system.