Thermal insulation SP FIRESTOP OSCB

stone woolstrip typefor facades

Consisting of an intumescent strip fixed to high density non-combustible ROCKWOOL insulation, SP FireStop OSCB 44 is designed to form an open-state cavity barrier within the building facade, preventing the passage of fire and smoke. SP FireStop OSCB 44 is a continuous intumescent strip fixed to the leading edge of a foil faced stone wool barrier, encapsulated by a weather-resistant polythene sleeve. It forms an open-state cavity barrier within a rainscreen system. In the event of a fire, the intumescent strip will quickly expand outwards to seal off the cavity, preventing the passage of fire and smoke. Installed horizontally and designed to ensure an appropriate open air space is maintained, SP Firestop OSCB 44 is suitable for cavity widths up to 425mm. Exclusively designed and tested for use only in conjunction with ROCKWOOL RainScreen Duo Slab and NyRock RainScreen 032, SP FireStop OSCB forms an open-state cavity barrier within the building facade, which allows for ventilation and drainage of the cavity under service conditions. The product comprises of a continuous intumescent strip fixed to the leading edge of a foil faced stone wool barrier, encapsulated by a weather-resistant polythene sleeve. Tested to ASFP TGD 19, the combination of non-combustible insulation with effective intumescent supports the construction of safe façade systems. Installed horizontally and designed to ensure an appropriate open air space is maintained, the SP FireStop OSCB is suitable for cavity widths up to 600mm (see under ‘Performance’ for full details).