9. For mineral wool transits in installation penetrations
Fire Stop System „A & K“. For fire-resistant sealings as mineral wool transits bst supplies raw or pre-coated (on one side or both sides) mineral fibre boards RP-15, volumetric weight 150 kg/m³, for installation penetrations. Fire resistance class from EI30 to EI120 (= S30 to S120, depending on board thickness).
bst Fire Stop Coating „Type A“ is also suitable for fire protection of steel constructions and cable coatings (short circuit retardation), fire resistance class F30.