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  5. ARC CSS125 Stop Sock to suit 125mm Cavity 1200 x 135 x 120mm (15 per pack)

ARC CSS125 Stop Sock to suit 125mm Cavity 1200 x 135 x 120mm (15 per pack)

ARC CSS125 Stop Sock to suit 125mm Cavity 1200 x 135 x 120mm (15 per pack) 02250953
Ref: 02250953 £46.400ex VAT (£55.680 inc VAT)
Bulk Rates
QuantityPrice (ex VAT)
1-3£46.400
4-7£41.760
8+£38.280
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The ARC CSS125 cavity stop sock restricts the spread of smoke and flames within external masonry walls, as well as minimising the effect of flanking noise pollution at wall junctions. The Cavity stop socks are manufactured from low resin, non-combustible rockfibre mineral wool insulation and are sleeved in polythene for on-site protection. The ARC cavity stop sock is designed to be compression fitted within a masonry cavity as the brick and block work progresses, no mechanical fixing is required. Butt joints should be tighly fitted with no gaps remaining. The barrier must fully fill the cavity from brick to block, with any cavity insulation cut back. The polythene encapsulation offers on-site weather protection, but can be cut away without affecting the barrier’s performance. The ARC cavity stop sock is manufactured using rockfibre mineral wool which achieves a fire classification of Euroclass A1 as defined in BS EN 13501-1, and conforms to BS EN 13162 and EN16001 Energy Management
Systems. ARC’s rockfibre mineral wool insulation has a thermal conductivity of 0.037W/mK.

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