ARC Party Wall Cavity Stop Sock - All Thicknesses

• Up to 4 hours fire integrity
• Horizontal and vertical options
• Specified in terraced, semi-detached, apartments and major projects
• Meets requirements of Robust Detail Part E and Approved Document B
• Maximum cavity width available: 300mm
• Easily installed with compression fit; no mechanical fix is required
• Third-party certificated by IFC

External wall cavities: The ARC Party Wall Cavity Stop Sock is designed to enhance fire safety within external wall cavities by providing an effective barrier that prevents the spread of fire and smoke. Positioned in line with separating walls or floors, it also aids in maintaining thermal insulation by reducing heat transfer at critical junctions, which supports the building's energy efficiency. The Stop Sock is easy to install, typically fitting snugly within the cavity without the need for additional fixings, and offers moisture resistance to protect the internal structure from potential water damage. Additionally, it meets building regulations for both fire safety and thermal performance.

What is the ARC Party Wall Cavity Stop Sock?

The ARC Party Wall Cavity Stop Sock is a fire-resistant barrier designed to prevent the spread of fire and smoke through the cavities in party walls. It also helps to reduce heat loss by minimising thermal bridging between adjoining properties.

How do you install the ARC Party Wall Cavity Stop Sock?

The ARC Party Wall Cavity Stop Sock is installed by friction fitting it within the cavity of the party wall. It should be positioned at floor and ceiling levels, or at party wall junctions, to create a continuous fire and thermal barrier.

Where is the ARC Party Wall Cavity Stop Sock typically used?

This product is commonly used in party walls that separate individual units in multi-unit residential or commercial buildings. It is particularly effective at preventing the spread of fire between adjacent properties.

What are the benefits of using the ARC Party Wall Cavity Stop Sock?

The key benefits include enhanced fire protection by preventing the passage of fire and smoke through cavities, improved thermal efficiency by reducing heat loss, and compliance with building regulations for fire safety in party walls.

How does the ARC Party Wall Cavity Stop Sock contribute to energy efficiency?

By reducing thermal bridging between adjoining units, the ARC Party Wall Cavity Stop Sock helps maintain consistent indoor temperatures, which can lower heating and cooling costs.