Do cavity fire barriers need a statement of performance?

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    Fire cavity barriers:

    Dacatie Universal Fire Socks – Statement of performance and fire integrity in Horizontal and Vertical applications 



    Independent fire integrity testing carried out at Chiltern International Fire

    Test Reference: Appendix A1001 relating to test reference BMT/FF/IF/15078 in Horizontal and Vertical Applications



    All Dacatie Fire Socks are manufactured in the UK by Guardian Insulation Solutions (GIS Duo Cavity Fire socks).  All GIS Duo Cavity Fire Socks are manufactured using Knauf ECOSE Rock Slab which has a fire classification of Euroclass A1 tested to BSEN13501-1.  The Rock Slab is encapsulated in recycled polythene sleeves and will not add to the propagation of fire.  All GIS Duo Cavity Socks are tested in application to BS EN1366-4 as was BS 476: Part20 using current fire test methods. 


    Product testing has been carried out in both horizontal and vertical applications up to 300mm by Chiltern International Fire under test certification BMT/FE/IF/15078.


    The correct use of a GIS Duo Cavity Fire sock will provide in excess of the 30 minutes fire cavity barrier as defined in Table A6 of Appendix A to Approved Document B of the Building Regulations 1991 (2000 Edition). 


    Section 10 Table 12 “Provision of Cavity Barriers” gives a complete list of cavity type and building purpose groups for which a cavity barrier should be installed.  The product is deemed to satisfy the requirements stated within Approved Document L1A 2010 for England & Wales.


    Table 14 of the same document gives maximum dimensions of cavities in specified building groups.  These tables should be referred to in full by the designer when considering the provision of cavity barriers.


    GIS Duo Cavity Fire Socks comply with the robust details accepted to prove a solution which satisfies Approved Document E (2003 Edition) of the Building Regulations relating to sound transmission.


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