oSIST prEN 15269-2:2009
(Main)Extended application of test results for fire resistance and/or smoke control for door, shutter and openable window assemblies, including their elements of building hardware - Part 2: Fire resistance of hinged and pivoted steel doorsets
Extended application of test results for fire resistance and/or smoke control for door, shutter and openable window assemblies, including their elements of building hardware - Part 2: Fire resistance of hinged and pivoted steel doorsets
This Part of prEN 15269, which should be read in conjunction with prEN 15269-1, covers single and double leaf, hinged and pivoted, steel based doorsets.
This document prescribes the methodology for extending the application of test results obtained from test(s) conducted in accordance with EN 1634-1.
Subject to the completion of the appropriate test or tests selected from those identified in Clause 4 the extended application may cover all or some of the following non-exhaustive list:
- Integrity only (E), radiation (EW) or insulated (EI1 or EI2) classifications;
- door leaf;
- wall/ceiling fixed elements (frame/suspension system;
- glazing for door leaf;
- items of building hardware;
- decorative finishes;
- intumescent, smoke, draught or acoustic seals;
- alternative supporting construction(s).
- decorative finishes;
- intumescent, smoke, draught or acoustic seals;
alternative supporting construction(s).
Erweiterter Anwendungsbereich von Prüfergebnissen zur Feuerwiderstandsfähigkeit von Feuerschutzabschlüssen - Teil 2: Drehflügeltüreinheiten aus Stahl
Application élargie des résultats d'essais en matière de résistance au feu et/ou d'étanchéité à la fumée des blocs-portes, fermetures et fenêtre, y compris leurs éléments de quincaillerie - Partie 2: Résistance au feu des blocs-portes battants et pivotants en acier
La présente partie du prEN 15269, qu’il convient de lire conjointement avec le prEN 15269-1, couvre les blocs-portes en acier à un vantail ou deux vantaux, pivotants ou battants.
Le présent document prescrit la méthode d’extension de l’application des résultats d’essai obtenus suite aux essais menés conformément à l’EN 1634-1.
Soumise à la réalisation des essais appropriés sélectionnés parmi ceux identifiés dans l’article 4, l’application étendue peut couvrir tout ou partie de la liste non exhaustive ci-dessous :
- classifications d’étanchéité au feu uniquement (E), de rayonnement (EW) ou d’isolation (EI1 ou EI2) ;
- ouvrant ;
- éléments fixes des murs/du plafond (châssis/système de suspension) ;
- vitrage pour ouvrant ;
- éléments de quincaillerie ;
- finis décoratifs ;
- joints intumescent, joints étanches à la fumée, joints étanches à l’air ou joints acoustiques ;
- autre(s) construction(s) support(s).
Razširjena uporaba rezultatov preskusov požarne odpornosti in/ali dimotesnosti za vrata, zapore in okna, ki se odpirajo, vključno z njihovim okovjem - 2. del: Požarna odpornost jeklenih vrat s tečaji
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 15269-2:2009
01-julij-2009
5D]ãLUMHQDXSRUDEDUH]XOWDWRYSUHVNXVRYSRåDUQHRGSRUQRVWLLQDOLGLPRWHVQRVWL
]DYUDWD]DSRUHLQRNQDNLVHRGSLUDMRYNOMXþQR]QMLKRYLPRNRYMHPGHO
3RåDUQDRGSRUQRVWMHNOHQLKYUDWVWHþDML
Extended application of test results for fire resistance and/or smoke control for door,
shutter and openable window assemblies, including their elements of building hardware -
Part 2: Fire resistance of hinged and pivoted steel doorsets
Erweiterter Anwendungsbereich von Prüfergebnissen zur Feuerwiderstandsfähigkeit von
Feuerschutzabschlüssen - Teil 2: Drehflügeltüreinheiten aus Stahl
Application élargie des résultats d'essais en matière de résistance au feu et/ou
d'étanchéité à la fumée des blocs-portes, fermetures et fenêtre, y compris leurs éléments
de quincaillerie - Partie 2: Résistance au feu des blocs-portes battants et pivotants en
acier
Ta slovenski standard je istoveten z: prEN 15269-2
ICS:
13.220.50 Požarna odpornost Fire-resistance of building
gradbenih materialov in materials and elements
elementov
91.060.50 Vrata in okna Doors and windows
oSIST prEN 15269-2:2009 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 15269-2:2009
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oSIST prEN 15269-2:2009
EUROPEAN STANDARD
DRAFT
prEN 15269-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2009
ICS 13.220.50; 91.060.50
English Version
Extended application of test results for fire resistance and/or
smoke control for door, shutter and openable window
assemblies, including their elements of building hardware - Part
2: Fire resistance of hinged and pivoted steel doorsets
Application élargie des résultats d'essais en matière de
résistance au feu et/ou d'étanchéité à la fumée des blocs-
portes, fermetures et fenêtre, y compris leurs éléments de
quincaillerie - Partie 2: Résistance au feu des blocs-portes
battants et pivotants en acier
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 127.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
: This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
Warning
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15269-2:2009: E
worldwide for CEN national Members.
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oSIST prEN 15269-2:2009
prEN 15269-2:2009 (E)
Contents Page
Foreword . 3
Introduction . 3
1 Scope. 4
2 Normative references . 4
3 Definitions . 5
4 Determination of the field of extended application . 5
4.1 General . 5
4.2 Procedure for evaluation . 5
4.3 Procedure for maximum field of extended application . 6
4.4 Interpretation of test results . 7
5 Extended application report . 7
6 Classification report . 7
Annex A (normative) Construction Parameter Variations . 8
Annex B (normative) Test Protocols for Doorsets Incorporating Side, Transom and Flush
Over Panels. Tables and figures in Annex B relate to Section E of Annex A . 50
Annex C (informative) Figures Relating to Annex A . 58
Bibliography . 94
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oSIST prEN 15269-2:2009
prEN 15269-2:2009 (E)
Foreword
This document (prEN 15269-2:2009) has been prepared by Technical Committee CEN/TC 127 “Fire
safety in buildings”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document has been prepared under a mandate given to CEN by the European Commission and
the European Free Trade Association, and supports essential requirements of 89/106/EEC.
Introduction
This document is one of a series of standards listed below and intended to be used for the purpose of
producing an extended application report based on the evaluation of one or more fire resistance
and/or smoke control tests. These standards may also be used to identify the best selection of test
specimens required to cover a wide range of product variations.
The prEN 15269 series of standards currently consists of:
prEN 15269, Extended application of test results for fire resistance and/or smoke control for door,
shutter and openable window assemblies, including their elements of building hardware
Part 1: General requirements
Part 2: Fire resistance of hinged and pivoted steel doorsets
Part 3: Fire resistance of hinged and pivoted timber doorsets and openable timber framed windows
Part 4: Fire resistance of hinged and pivoted glass doorsets
Part 5: Fire resistance of hinged and pivoted, metal framed, glazed doorsets and openable windows
Part 6: Fire resistance of sliding timber doorsets
Part 7: Fire resistance of sliding steel doorsets
Part 8: Fire resistance of horizontally folding timber doorsets
Part 9: Fire resistance of horizontally folding steel doorsets
Part 10: Fire resistance of steel rolling shutters
Part 11: Fire resistance of fabric curtains
Part 20: Smoke control for hinged and pivoted timber and steel doorsets
Before there can be any consideration for extended application the doorset should have been tested
in accordance with EN 1634-1 to achieve a test result which could generate a classification in
accordance with EN 13501-2 at least equal to the classification subsequently required from extended
application considerations.
3
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A review of the doorset construction parameters can indicate that one or more characteristics may be
improved by a particular parameter variation. All evaluations should be made on the basis of retaining
the fire resistance classifications obtainable from testing to EN 1634-1, including those lower than the
test duration. However, this should never lead to an increased classification for any specific fire
performance parameter beyond that achieved during any one test unless specifically identified in the
relevant Construction Parameter Variation tables within this series of standards.
The effect on the durability of self closing of the doorsets following an extended application process is
not addressed in this series of standards.
1 Scope
This Part of prEN 15269, which should be read in conjunction with prEN 15269-1, covers single and
double leaf, hinged and pivoted, steel based doorsets.
This document prescribes the methodology for extending the application of test results obtained from
test(s) conducted in accordance with EN 1634-1.
Subject to the completion of the appropriate test or tests selected from those identified in Clause 4 the
extended application may cover all or some of the following non-exhaustive list:
Integrity only (E), radiation (EW) or insulated (EI or EI ) classifications;
1 2
door leaf;
wall/ceiling fixed elements (frame/suspension system;
glazing for door leaf;
items of building hardware;
decorative finishes;
intumescent, smoke, draught or acoustic seals;
alternative supporting construction(s).
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies.
EN 1634-1, Fire resistance and smoke control tests for door, shutter and openable window
assemblies and elements of building hardware - Part 1: Fire resistance tests for doors, shutters and
openable windows
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prEN 15269-2:2009 (E)
EN 1634-2, Fire resistance and smoke control tests for door, shutter and openable window
assemblies and elements of building hardware - Part 2: Fire resistance characterisation test for
elements of building hardware
EN 13501-2, Fire classification of construction products and building elements — Part 2: Classification
using data from fire resistance tests, excluding ventilation services
3 Terms and definitions
For the purposes of this Part or EN 15269, the terms and definitions given in EN1363-1, EN ISO
13943, EN 1634-1, prEN 1634-2 and prEN 15269-1 together with the following apply:
3.1 full scale test
test of a full size doorset in accordance with EN 1634-1
3.2 small scale test
test on elements of building hardware in accordance with prEN 1634-2 and where the decision
process, given in prEN 1634-2, permits its use. This is abbreviated as SS in annex C
3.3 effective rebate depth
dimension of the door leaf thickness of overlapping adjacent edges of door leaf relative to the door
frame, transom or side panel or flush overpanel. At the meeting edges and for rebated leaves the
dimension shall be the depth of the largest rebate or the rebate where the intumescent seal is fitted
3.4 panel
component of a door leaf separated from other elements by joints which break through the total door
thickness. A door leaf can consist of one or more panels.
4 Determination of the field of extended application
4.1 General
4.1.1 Before there can be any consideration for extended application, the doorset must have been
tested and classified in accordance with EN1634-1 and EN 13501-2 respectively in order to establish
a classification for the doorset.
4.1.2 A review of the doorset construction parameters can indicate that one or more characteristics
may be improved by a particular parameter variation. All evaluations shall be made on the basis of
retaining the classifications obtainable from testing to EN1634-1, including those lower than the test
duration. However, this shall never lead to an increased classification for any specific parameter
beyond that achieved during any one test unless specifically identified in the relevant Construction
Parameter Variation tables.
4.1.3 All evaluations shall be made on the basis of retaining the classification obtained from testing
to EN1634-1.
4.1.4 If, by following the ensuing procedure, any part of the classification cannot be achieved by
extended application rules, that part of classification shall be omitted from the subsequent extended
application report and classification report.
4.2 Procedure for evaluation
4.2.1 Identify the variations from the original test specimen(s) which are required to be covered by
an extended application report.
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4.2.2 Locate the variations in the appropriate parameter variation by reference to columns (1) and
(2) of Annex A.
4.2.3 Review the type of classification to be retained from column (3) and establish from the
contents of column (4) whether any extended application is available beyond the direct application
rules in EN 1634-1 without the need for further testing.
4.2.4 Where this is deemed to be possible this can be recorded in the extended application report
together with any appropriate restrictions and the stated rules from column (4).
4.2.5 Where the variations required can only be achieved from additional testing according to
column (5), the additional test can be made on a similar specimen type to the original test against
which the extended application is sought. Alternatively, column (5) identifies an option for alternative
testing and relevant test parameters.
4.3 Procedure for maximum field of extended application
4.3.1 It is possible to provide a limited field extended of application from the results of a single test.
However, where a manufacturer intends to produce a range of doors incorporating single doors and
also double doors, with or without glazing, with alternative elements of building hardware, etc., it is
recommended that careful consideration is given to the complete range of doorset designs and
options in order to minimise the testing required before testing commences.
4.3.2 Establish all the parameter variations which are required to be part of the product range.
4.3.3 Select specimen(s) for the first test(s) in the series to ensure that those required for the
manufactured products are covered.
4.3.4 Complete the first test or a series of tests and prepare a field of direct application and possibly
a classification report from the results of the test(s).
4.3.5 Establish which of the original desired parameter variations have not been covered by the
direct application classification report.
4.3.6 Identify these parameter variations in Annex A and establish if any extended application is
possible without further testing.
4.3.7 Record this for the extended application report together with any restrictions and rules given
in column (5).
4.3.8 Evaluate which, if any, of the desired parameter variations have not been covered by the field
of direct application or the initial field of extended application derived from 4.3.7. above.
4.3.9 Select the required outstanding parameter variations from column (1) and column (2) of
Annex A and observe from column (5) which are the most appropriate weakest specimen options for
further testing.
4.3.10 If the complete selection of required parameter variations have not been covered by the tests
completed in accordance with 4.3.9 above, then an appropriate test or tests may be repeated with the
additional product variations incorporated.
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4.4 Interpretation of test results
4.4.1 In order to maximise the field of extended application, it is important that the test reports shall
record details of any integrity and/or insulation failures throughout the test duration.
4.4.2 Where a series of tests have been conducted, the field of extended application shall be based
on the lowest performance achieved from the complete series of tests unless premature failure has
been attributed to one or more specific construction parameter variations.
4.4.3 Where it has been possible, to identify specific parameter failures, the extended application
for all other construction parameter variations can be based on the performance achieved after
isolating the premature failure(s).
5 Extended application report
Prepare an extended application report in accordance with the requirements of Clause 6 of prEN
15269-1, based on the results of evaluations in accordance with the above.
6 Classification report
The classification report shall be determined from the results of the extended application report and
shall be presented in accordance with Annex A of EN 13501-2.
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Annex A
(normative)
Construction Parameter Variations
Table A.1 is designed to provide rules for the creation of extended application reports by experts in
the field of fire resistance testing of hinged and pivoted steel doorsets.
Table A.1 shall only be used to evaluate a field of extended application when at least one positive fire
resistance test to EN 1634-1 has resulted in a classification according to EN 13501-2.
The first two columns of Table A.1 identify possible variations to the construction details of the specimen tested.
The type of classification achieved from the test can be identified from the ‘Performance characteristic’ section of
Table A.1 column 3 as insulation, radiation control or integrity only. For some parameters, it is necessary to
evaluate whether the specimen displayed a high, medium or low level of distortion during the test. Where this is
the case the following levels shall be used to provide high, medium and low distortion doorsets:
low < 40 % of effective rebate depth,
medium > 40 % and < 85 % of effective rebate depth,
high > 85 % of effective rebate depth.
The effect of the change in each parameter is evaluated for each characteristic in column 3 under E for effects on
integrity, I for effects on insulation (whether an I or I ) and W for the effects on radiation.
1 2
Where symbols are used these relate to the following definitions:
a) < - forecast is a worse performance;
b) > - forecast is a better performance;
c) = - forecast is no significant difference
d) ≤ - forecast is a worse or equal performance;
e) ≥ - forecast is a better or equal performance;
f) >=< - forecast unknown
These evaluations lead to the judgement of the possibility of extending the field of application, the results of
which are given in column 4 of Table A.1. In certain cases in Column 4 it is a requirement to achieve Category B,
the requirements for which are given in EN 1634-1.
Where additional tests are deemed to be necessary the type of specimen approved for incorporation
of the changed parameter is defined in column 5. Where it is possible to use information from tests
performed on one configuration for evidence on a different configuration, this allowance has been
made in order to reduce the overall number of tests required for extended application evaluation e.g.
single action doorsets to double action doorsets.
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In order to maximise the possible field of application from a minimum number of tests, the parameter
changes can be spread over a series of test specimens. The recommended test for each parameter is
dependant upon the classification required and the preferred direction of testing as indicated in
Column 5.
If after consideration of a specific variation, additional changes are required to be made to the
specimen, these may be made providing the implications on other variations are also taken into
account.
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Construction Parameter Variation Influence of variation on Possibility of extension Additional Evidence
performance characteristic Required
(1) (2) (3) (4) (5)
E I W
A Door leaf
In certain cases, the rules given in Section A are also appropriate to side, transom and overpanels or the door frame; where this is the case it is clearly indicated in column (1). For double leaf doorsets, both
leaves shall be of the same basic construction.
A.1 General
A.1.1 Number of leaves - See Figure C.1 Single leaf from ≤ ≥ ≥ Not possible without an additional test Additional test single leaf
double leaf test doorset (open outwards)
A.1.2 Number of leaves Double leaf from ≥ ≤ ≥ ≥ Not possible without an additional test Additional test (s) double leaf
single leaf test doorset (open outwards and
inwards for EI doors, open
outwards for E or W doors)
A.1.3 Number of panels per leaf (primary or secondary)- Add = = = Possible if tested at least one leaf (single, primary or Additional test single leaf or
See Figure C.2 (one panel per leaf – secondary) with the minimum of two panels, panel size double leaf doorset (open
on any leaf) not increased and the intended jointing technique outwards)
centrally located in the door leaf
otherwise
not possible without an additional test
A.1.4 Number of panels per leaf - See Figure C.3
Reduce = = = Possible providing the tested width of the panel is not Additional test single leaf or
(one panel) increased otherwise not possible without an additional double leaf doorset (open
test outwards)
A.1.5 Intumescent seals between frame and door leaf / Location towards the >/=/< >/=/< >/=/< Not possible without an additional test Additional test single leaf or
leaves- See Figure C.4 frame rebate double leaf doorset (open
outwards)
A.1.6 Intumescent seals between frame and door leaf / Location away from >/=/< >/=/< >/=/< Not possible without an additional test Additional test single leaf or
leaves – See Figure C.5 the frame rebate double leaf doorset (open
outwards)
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prEN 15269-2:2009 (E)
Construction Parameter Variation Influence of variation on Possibility of extension Additional Evidence
performance characteristic Required
(1) (2) (3) (4) (5)
E I W
A.1.7 Intumescent seals between meeting edges of the door Location >/=/< >/=/< >/=/< Not possible without additional test (s) Additional test (s) double leaf
leaves doorset (open outwards and
inwards for EI doors, open
outwards for E or W doors)
A.1.8 Nnon intumescent seals between frame and door leaf / Location = = = Any movement possible providing no modifications of
leaves (draught / smoke / acoustic etc.) - (Euroclass A1) e.g. the construction are required
ceramic products(fitted in leaf or frame).– See Figure C.6
A.1.9 Non intumescent seals between meeting edges of the Location >/=/< >/=/< >/=/< No movement possible without an additional test Additional test double leaf
door leaves (draught / smoke / acoustic etc.) - (Euroclass A1) doorset
A.1.10 Non intumescent seals between door leaves and / or Location >/=/< >/=/< >/=/< No movement possible without an additional test Additional test single or
frames (draught /smoke / acoustic etc.) – < Euroclass A1 double leaf doorset
(fitted in leaf or frame).- See Figure C.7 if the seal is positioned
between the meeting edges
of the door leaves the
additional test has to be a
double leaf doorset
Add = = = Possible for doors without intumescent seals
A.1.11 Non intumescent seals between door leaves and / or
Additional test single or
frames (draught / smoke / acoustic etc.) - (Euroclass A1), e.g. otherwise
double leaf doorset,
ceramic products (fitted in leaf or frame). - See Figure C.8 not possible without an additional test
if the seal is positioned
between the meeting edges
of the door leaves the
additional test has to be a
double leaf doorset
Remove ≤ ≤ ≤ Notpossible without an additional test
A.1.11 Non intumescent seals between door leaves and / or
Additional test single or
framwes (draught / smoke / acoustic etc.) - (Euroclass A1),
double leaf doorset,
e.g. ceramic products (fitted in leaf or frame)- See Figure C.9
if the seal is positioned
between the meeting edges
of the door leaves the
additional test has to be a
double leaf doorset
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prEN 15269-2:2009 (E)
Construction Parameter Variation Influence of variation on Possibility of extension Additional Evidence
performance characteristic Required
(1) (2) (3) (4) (5)
E I W
A.1.12 Non intumescent seals between door leaves and / or Add ≤ ≤ ≤ Not possible without an additional test
Additional test single or
frames (draught / smoke / acoustic etc.) – < Euroclass A1
double leaf doorset,
(fitted in leaf or frame)- See Figure C.10
if the seal is positioned
between the meeting edges
of the door leaves the
additional test has to be a
double leaf doorset
A.1.13 Non intumescent seals between door leaves and / or Remove >/=/< >/=/< = Not possible without an additional test
Additional test single or
frames (draught / smoke / acoustic etc. – < Euroclass A1
double leaf doorset,
(fitted in leaf or frame) - See Figure C.11
if the seal is positioned
between the meeting edges
of the door leaves the
additional test has to be a
double leaf doorset
A.1.14 Ventilation grilles (louvres) in door leaf tested without Add ≤ ≤ ≤ Not possible without an additional test Additional test single or
ventilation grille - See Figure C.12a double leaf doorset
A.1.15 Ventilation grilles (louvres) in door leaf - See Figure Remove >/=/< ≥ ≥ Possible providing the cut out is less than 25 % of the
C.12b door leaf area
otherwise
not possible without an additional test
Additional test single or
double leaf doorset
A.1.16 Ventilation grilles (louvres) in door leaf tested with Location in vertical ≤ ≤ ≤ Not possible without an additional test Additional test single or
ventilation grille direction double leaf doorset
A.1.17 Ventilation grilles (louvres) in door leaf tested with Location in horizontal = = = Possible providing the distance between the edge of
ventilation grille - See Figure C.13 direction the louvre and the perimeter of the door leaf is not
decreased and providing any internal stiffening
elements are not affected
otherwise
not possible without an additional test
Additional test single or
double leaf doorset
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prEN 15269-2:2009 (E)
Construction Parameter Variation Influence of variation on Possibility of extension Additional Evidence
performance characteristic Required
(1) (2) (3) (4) (5)
E I W
A.1.18 Ventilation grilles (louvres) in door leaf tested with Smaller size ≥ ≥ ≥ Possible for one or more louvres smaller than that
ventilation grille - See Figure C.14a tested specimen providing the location is inside the
perimeter of the tested louvre and minimum spacing
between cut outs is not less than 100 mm
otherwise
not possible without an additional test Additional test single or
double leaf doorset
- See Figure C.14b Larger size ≤ ≤ ≤ Not possible without an additional test Additional test single or
double leaf doorset
A.1.19 Rebate (door leaves to frames) - See Figure C.15a Add ≥ ≤ ≥ EI
Not possible without an additional test unless the Additional test single or
original test had additional thermocouples positioned double leaf doorset (open
100mm and / or 25mm from the edge of the notional outwards)
rebate (i.e. 100-x) where x means the width of the
added rebate and dimension y shall not be reduced
E, EW
Possible providing no reduction of frame rebate or leaf
edge thickness
otherwise
not possible without an additional test Additional test single or
double leaf doorset (open
outwards)
A.1.20 Rebate (meeting edges) - See Figure C.15b Add ≥ ≥ ≥ Possible if the doorset included one rebate and the Additional test double leaf
(one rebate) added rebate is of the same design / material as that doorset (added rebate away
tested otherwise from the fire)
not possible without an additional test
A.1.21 Rebate (door leaves to frames) - See Figure C.16 Remove ≤ ≤ ≤ Not possible without an additional test Additional test single or
double leaf doorset (open
inwards)
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Construction Parameter Variation Influence of variation on Possibility of exten
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