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  • Nofisol fire and sound barriers: Field of application with respect to fire resistance

    Investigations based on “expert judgement”

    Report number YA 1525-1E-RA-001 d.d. May 9, 2014

  • P r i n c i p a l N of i s o l B V R e p o r t n u m b e r Y A 1 5 2 5 - 1 E - RA - 0 0 1 D a t e May 9 , 2 0 1 4 (translation d.d. 24 june 2014) R e f e r e n c e J M / J Z / A v d S / Y A 1 5 2 5 - 1 E - RA - 0 0 1 R e p r e s e n t a t i v e i r . J . J . M e r t e n s A u t h o r i r . J . Z w a r t

    + 3 1 2 4 3 5 7 9 4 1 0

    j . z w a r t @ p e u t z . n l

    Nofisol fire and sound barriers: Field of application with respect to fire resistance

    Investigations based on “expert judgement”

    peutz bv, postbus 66, 6585 zh mook, +31 24 357 07 07, info@peutz.nl, www.peutz.nl

    All orders are accepted and executed according to 'De Nieuwe Regeling 2011' (The New Rules)

    BTW NL004933837B01 KvK: 12028033

    mook – zoetermeer – groningen – düsseldorf – dortmund – berlijn – leuven – parijs – lyon – sevilla

    YA 1525-1E-RA-001 2

  • Ta b l e o f c o n t e n t s

    1 I n t r o d u c t i o n 4

    2 S t a r t i n g p o i n t s 5

    2 . 1 G e n e r a l 5

    2 . 2 D e s c r i p t i o n o f t h e a s s e s s e d c o n s t r u c t i o n s 5

    3 T e s t r e p o r t s a n d r e s e a r c h r e s u l t s 6

    3 . 1 R e p o r t s u t i l i s e d 6

    3 . 2 Te s t r e s u l t s 7

    4 F i r e r e s i s t a n c e c l a s s i f i c a t i o n 8

    4 . 1 U s e o f t a l l e r b a r r i e r s 8

    4 . 2 U s e o f l o n g e r ( w i d e r ) b a r r i e r s 9

    4 . 3 U s e o f t h i c k e r b a r r i e r s 9

    4 . 4 U s e o f h e a v i e r r o c k w o o l 9

    4 . 5 C h a n g i n g t h e i n t e r m e d i a t e l a y e r s u s e d 1 0

    4 . 6 U s e o f m u l t i p l e l a y e r s o f r o c k w o o l 1 0

    4 . 7 A d d i n g a c a v i t y 1 0

    4 . 8 E x c l u d i n g g y p s u m f r o m t h e b a n d r a s t e r 1 0

    4 . 9 O t h e r a t t a c h m e n t a n d f i n i s h f o r t h e b a r r i e r s a n d t h e b a n d r a s t e r 1 1

    4 . 1 0 U s e a s s m o k e r e s i s t a n t b a r r i e r s 1 2

    4 . 1 1 S u m m a r y o f t h e i m p a c t o f t h e d i f f e r e n t p a r a m e t e r s 1 3

    4 . 1 2 S u m m a r y o f t h e m a x i m u m d i m e n s i o n s t o b e u s e d 1 4

    5 S u m m a r y 1 5

    YA 1525-1E-RA-001 3

  • 1 I n t r o d u c t i o n

    On behalf of Nofisol B.V., an investigation was performed to determine the possible field of application with respect to the fire resistance of a number of tested fire and sound barriers from Nofisol (hereinafter called the “barriers”). This report describes the field of application based on the results of a total of 5 fire resistance tests in combination with an expert judgement. The broadest possible field of application for the different tested constructions was specifically requested. The assessed parameters in this context are: − the height of the separate barriers; − the length (width) of the separate barriers; − the thickness and weight of the separate barriers; − the use of intermediate layers (e.g. spacers and aluminium foil); − the number of layers for the separate barriers; − the presence or absence of a cavity when there are multiple layers; − the manner of fastening the barriers to the wall (bandraster); − the manner of attachment and finish of the barriers.

    Three of the fire resistance tests were “full-scale tests”. In the other two tests, multiple variants were assessed (“small-scale tests”) where one barrier is included that was also assessed in one of the “full-scale tests”. Comparing the results of both tests for this barrier makes it possible to express opinions also about the field of application of the other tested barriers in the “small-scale tests”.

    Barriers above the inner walls are assessed in the Netherlands in accordance with NEN 6069 and EN 1364-1 using the following criteria: − integrity (E); − thermal insulation (I).

    This means that the “radiation” criterion (W) does not need to be assessed. Assessments in this report are only valid for the situation where barriers are above the partitions, consisting of a flexible wall where it can be demonstrated that this wall satisfies the relevant required fire resistance that the barrier will be used for.

    The findings in this report (including the specified field of application) are valid for a maximum period of 5 years after the creation date of this report.

    YA 1525-1E-RA-001 4

  • 2 S t a r t i n g p o i n t s

    2.1 G e n e r a l

    This report has been drawn up as much as possible in accordance with: − EN 15725:2010: “Extended application reports on the fire performance of construction

    products and building elements” − Draft EN 15254-1:2005: “Extended application of results from fire resistance tests - Non-

    loadbearing partitions - Part 1: General”

    In drawing up this report, use was made of some issued test reports that were provided by the client. The client indicated that the issued reports could be used for substantiation as needed.

    2.2 D e s c r i p t i o n o f t h e a s s e s s e d c o n s t r u c t i o n s

    The assessed constructions were barriers consisting of one or two layers of rock wool where the exterior had an applied layer of aluminium foil with or without a layer of a self-adhesive EPDM foil on one side or on both sides for its acoustic properties. The barriers were installed above a bandraster filled with plasterboard panels suspended using Nonius hangers on the overlying stony ceiling structure. The barriers were placed tightly together and connected by means of a special fire-resistant glue.

    See the drawings in Appendix I for the dimensions and description of materials for the tested constructions.

    YA 1525-1E-RA-001 5

  • 3 Te s t r e p o r t s a n d r e s e a r c h r e s u l t s

    3.1 R e p o r t s u t i l i s e d

    Table 3.1 provides an overview of the test reports utilised to substantiate the conclusions in this report. The reports were issued by the client who provided permission to use the reports for the purpose of substantiation. The reports numbered Y 1519-1E-RA-001, Y 1524-1E-RA- 001 and 2005-CVB-R0185 (Rev. 1) describe the “full-scale tests”. The other reports describe the “small-scale tests”.

    t3.1 Overview of the reports utilised

    Name of the laboratory or

    notified body

    Name of client Number and date of the test report Method used

    Peutz bv Nofisol bv Y 1519-1E-RA-001 dated 14 March 2014 EN 1364-1:1999

    Peutz bv Nofisol bv Y 1524-1E-RA-001 dated 14 March 2014 EN 1364-1:1999

    Peutz bv Nofisol bv Y 1525-1E-RA-002 dated 27 March 2014 EN 1364-1:1999

    Peutz bv Nofisol bv Y 1525-1E-RA-003 dated 27 March 2014 EN 1364-1:1999

    Peutz bv Nofisol bv Y 1525-1E-RA-004 dated 27 March 2014 EN 1364-1:1999

    Peutz bv Nofisol bv Y 1525-1E-RA-005 dated 27 March 2014 EN 1364-1:1999

    TNO Centre for Fire Safety Nofisol Europe bv 2005-CVB-R0185(Rev.1) dated September 2006 NEN 6069:2001 / EN 1364-1:1999

    TNO Centre for Fire Safety Nofisol Europe bv 2005-CVB-R0185(Rev.1) dated September 2006 NEN 6069:2001 / EN 1364-1:1999

    The more significant test results are summarised in the following section. Table 3.2 provides an overview of these results including a short description of the most significant failure mechanism, if applicable.

    YA 1525-1E-RA-001 6

  • 3.2 T e s t r e s u l t s

    t3.2 Overview of the most significant test results for the reports utilised

    Report number Attained fire resistance for criterion Most significant failure mechanism

    product name integrity (E) thermal insulation (I)

    Y 1524-1E-RA-001

    Nofisol 21 / Nofisol 22

    59 minutes1 13 minutes integrity attained due to an opening arising between the bandraster and wall

    structure where sustained flaming for longer than 10 seconds was visible

    (wall connection is not a component of the tested product)

    Y 1524-1E-RA-001

    Nofisol 33

    ≥ 75 minutes2 36 minutes integrity not attained during the test;

    thermal insulation criterion attained by too high average temperature rise 3

    Y 1524-1E-RA-002

    Nofisol 33

    ≥ 135 minutes4 45 minutes4 integrity not attained during the test;

    thermal insulation criterion attained by too high average temperature rise

    Y 1525-1E-RA-003

    Nofisol 33-LP

    ≥ 135 minutes4 39 minutes4 integrity not attained during the test;

    thermal insulation criterion attained by too high average temperature rise

    Y 1525-1E-RA-004

    Nofisol 38 High Value dB

    ≥ 135 minutes4 52 minutes4 integrity not attained during the test;

    thermal insulation criterion attained by too high average temperature rise

    Y 1525-1E-RA-005

    Nofisol 40 High Value dB

    ≥ 135 minutes4 60 minutes4 integrity not attained during the test;

    thermal insulation criterion attained by too high average temperature rise

    2005-CVB-R0185(Rev.1)

    Nofisol 335 53 minutes6 50 minutes4 integrity attained through open seam in the wall beneath it;

    thermal insulation criterion attained by too high average temper

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