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      Cavity Barriers


      Fire, Acoustic, Thermal

    PFC Corofil C450 Party Wall Closer

    Product Description:

    PFC Corofil C450 Party Wall Closer is a rock mineral fibre cavity barrier with an integral DPC suitable for closing cavities in brick and block party walls vertically up to 150mm wide It used to prevent the spread of fire and reduce smoke and sound transmission along a continuous cavity between separate dwellings.

    Tested in accordance with BS 476:Part 20:1987, PFC Corofil C450 Party Wall Closer provides up to 2 hours fire protection.


    • Friction fit under compression
    • Suitable for party walls
    • Integral DPC prevents moisture transmission between external and internal leaf at the cavity barrier point
    • Maximum cavity size of 150mm


    Please provide the following information:

    • Size of cavity
    • Fire rating
    • Quantity required (in linear meters)

    Please order from our technical sales office.



    M4 Product Table

    PFC Product Code CE Product Description Unit Type Quantity