The ARC Cavity Stop Sock is a top-tier solution designed to prevent the spread of smoke and flames within cavity walls in the event of a fire. Measuring 285mm X 200mm X 1200mm, these cavity socks are built for 275mm cavities and come as a pack of four. Theyre easy to install, providing both builders and homeowners with an efficient way to enhance the safety level of their property. Made from durable materials, these stop socks are resistant to decay, ensuring long-lasting performance.

Brand Name	ARC
Certifications Met	BS476 part20/22
Material	Flame retardant, recyclable polythene outer with rock mineral wool infill
Protects From	smoke and flames
Type	Cavity Stop Sock
Thickness	275mm (Cavity)
Dimensions	285mm x 200mm x 1200mm
Quantity	4 units per pack
Application	Masonry cavity walls, including under window sills.
Installation method	Manual fitting into wall cavities
Fire rating	one hour fire rating
Moisture resistance	Polythene outer provides a moisture barrier
Environmental certifications	Manufactured from recyclable materials.
Sustainability features	Made from recyclable materials.