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275mm Arc Party Wall Cavity Stop Sock (280X250X1200) (No Flange)(2 Per Pack)

£39.18 (incl. VAT: £47.02)

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    The ARC Cavity Stop Sock effectively limits the progression of both smoke and flames within the internal space of outer masonry walls. It serves as an optimal solution for establishing a cavity barrier within the external wall cavity, aligned with a specified separating wall or floor, as outlined in Approved Document B. Additionally, it proves useful for sealing the cavity at eaves level.

    Features and Benefits:

    • Horizontal and vertical options
    • Specified in terraced, semi-detached, apartments and major projects
    • Easily installed with compression fit; no mechanical fix is required



    Thermal conductivity


    Fire Rating

    Up to 4 hours

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