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Data Sheet 1006
PARTY WALL SOCK
Diagram A
DESCRIPTION :
CCL Party Wall Sock consists of a length of flexible mineral wool slab fully enclosed in polythene .
PURPOSE : CCL Party Wall Sock is designed to minimise sound transmission and fire penetration through the wall cavity adjacent to separating floors .
BENEFITS :
Meet Building Regulations Complies with Robust details Part E Fire , thermal and acoustic solution
Simple to install Water repellent Maintenance free
Specification
Fixing : CCL Party Wall Socks are supplied 10mm to 15mm thicker than the cavity in which they are to be installed and friction fitted during the brickwork process . During vertical installation it is necessary to place a length of damp proof course between the Party Wall Sock and the outer leaf . During horizontal installation it is advisable to protect the Party Wall with a damp proof course or proprietary cavity tray immediately above with a minimum 100mm upstand . Special attention must be paid to the joints to ensure that these are very closely butted . Cavity barriers may fail at the joints if a gap is left .
Dimensions
CCL Party Wall Socks are supplied in 1200m lengths , normally 300mm or 380mm wide , and are factory cut to suit cavity widths from 50mm to 150mm .
Standards & Performance :
The mineral wool core of a CCL Party Wall Sock achieves a fire classification of Euroclass A1 as defined in BS EN 13501 - 1 . The correct use of a CCL Party Wall Sock will exceed the requirement to provide a 30 minute cavity fire barrier as defined in Approved Document B of the Building Regulations 2010 ( 2019 edition ) Table B3 of Appendix B . The product has been independently tested adopting procedures and criteria from BS476 : part 20 : ( 1987 ) and achieved 1 hour fire resistance . Approved Document B of the Building Regulations 2010 ( 2019 edition ), Section 8 details the requirement and purpose for which a cavity barrier should be installed . CCL Party Wall Socks comply with the robust details accepted to provide a solution which satisfies the Approved Document E 2003 ( 2015 edition ) of the Building Regulations relating to the transmission of sound .
The Party Wall Sock should bridge the whole cavity as shown in Diagram B below .
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Diagram B
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