Intumescent Fire Only Seal  Ref: FW/FB/10/15/20
	Graphite based intumescent contained within a robust, high quality pvc extrusion specifically designed to fit into rebates of fire resisting door assemblies. When activated by fire the intumescent material swells to many times its original volume producing a fire resistant seal against the passage of fire, smoke and hot gases. Tested to BS476 Part 22:1987 Certifire Approved Complies with BS476 Part 31.1 Suitable for ½ hr (10 & 15mm) & 1hr (20mm) fire door assemblies Easy to install and maintenance free