The ARC Cavity Stop Sock is a robust and practical solution for preventing the spread of smoke and flames within concealed wall cavities in domestic and non-domestic buildings. Specifically designed for cavity widths of 110mm, these stop socks are 120mm x 120mm x 1200mm in size and come in packs of 15. Made from rock mineral wool, they offer excellent insulation properties and meet Part B building regulations, ensuring safety and compliance.

Brand Name	ARC
Certifications Met	Part B building regulations
Material	rock mineral wool
Protects From	smoke and flames
Type	Cavity stop sock
Thickness	110 mm (cavity)
Dimensions	120mm x 120mm x 1200mm
Quantity	15 units per pack
Application	Suitable for wall cavities
Installation method	Inserted into the cavity wall
Moisture resistance	Yes, prevents moisture transfer from outer to inner leaf in cavity walls.