ARC Cavity Stop Sock 100mm

The 100mm ARC cavity stop sock is a proven passive fire protection solution designed to help restrict the spread of fire and smoke within cavity wall constructions. Commonly specified across residential and commercial projects, this ARC cavity fire sock provides effective sealing of concealed cavities in masonry and timber frame walls.

Designed for reliable performance and ease of installation, ARC cavity socks compress within the cavity to form a secure fire barrier. They are suitable for use in external walls, party walls, and internal compartment walls where cavity fire stopping is required. Often referred to as ARC fire socks, they play an important role in supporting fire compartmentation and regulatory compliance.

Each unit is supplied in a 1200mm length and is sold individually, making it easy to order exact quantities for your project. Quantity discounts are available when purchasing full packs, offering a cost-effective option for larger installations.

Selecting the correct width ensures proper compression and effective fire performance once installed. The ARC cavity stop sock provides a practical, dependable solution for sealing cavity walls and supporting passive fire protection strategies.