FJ240 Spanatherm is dense rock mineral fibre board Class A1 core with an aluminium foil applied to two faces.
FJ240 Spanatherm is a strong pre-engineered rock fibre movement-joint fire seal, vertical fibre orientation, that allows movement accommodation at the same time as providing fire integrity, insulation and an effective smoke seal.
FJ240 Spanatherm is a cost effective and efficient product for compartment reinstatement at edge of slab, or vertically, to external façade of the structure.
Suitable for both static or movement joints.