ARC Open State Cavity Barrier - OSCBPLUS25
ARC Open State Cavity Barrier - OSCBPLUS25 - 100mm - 300mm | Max Air Gap = 25mm | Depth = Cavity width less 25mm | Thickness = 82mm | Length = 1200mm is backordered and will ship as soon as it is back in stock.
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Things you should know about this product!
Description
Description
ARC OSCB cavity barriers are designed for use in cavities where ventilation is required during normal conditions. Made from non-combustible rockfibre mineral wool and featuring a reactive intumescent layer, these barriers can maintain an air gap of either 25mm or 44mm. In the event of a fire, the intumescent layer quickly expands, closing the air gap to prevent vertical fire spread within the external wall cavity. These barriers are suitable for horizontal installation and should be paired with ARC Fire Stop Slab for vertical installation to provide a complete cavity barrier solution.
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Specifications
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Key Features
Key Features
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Where to use
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ARC Open State Cavity Barrier (OSCB)
Designed for installation within cavities where ventilation is required, the Open State Cavity Barrier (OSCB) is manufactured from non-combustible rockfibre mineral wool with a reactive intumescent layer. Tested to ASFP TGD19 standards, suitable for a 25mm or 44mm air gap and providing either 60 minutes of 120 minutes fire integrity.