SIST EN 17020-1:2023
(Main)Extended application of test results on durability of self-closing for fire resistance and/or smoke control doorsets and openable windows - Part 1: Durability of self-closing of hinged and pivoted steel doorsets
Extended application of test results on durability of self-closing for fire resistance and/or smoke control doorsets and openable windows - Part 1: Durability of self-closing of hinged and pivoted steel doorsets
This document covers single and double leaf, hinged and pivoted, steel based doorsets as covered by EN 15269 2 or EN 15269 20.
This document prescribes the methodology for extending the application of test results obtained from durability of self-closing test(s) conducted in accordance with EN 1191.
Subject to the completion of the appropriate self-closing test(s), the extended application can cover all or some of the following non-exhaustive list
— door leaf;
— side, transom and/or overpanels;
— ventilation grilles and/or louvres;
— wall/ceiling fixed elements (frame/suspension system);
— glazing for door leaf, side, transom and flush over panels;
— items of building hardware;
— decorative finishes;
— intumescent, smoke, draught or acoustic seals;
— alternative supporting construction(s).
Erweiterter Anwendungsbereich von Prüfergebnissen zur Dauerhaftigkeit des Selbstschließens für Feuerschutz- und/oder Rauchschutztüren und zu öffnende Fenster - Teil 1: Dauerhaftigkeit des Selbstschließens von Drehflügeltoren und Drehflügeltüren aus Stahl
Diese Europäische Norm befasst sich ein- und zweiflügligen Drehflügeltoren und -türen aus Stahl wie in EN 15269 2 oder EN 15269 20 beschrieben.
Dieses Dokument beschreibt die Methodik zur Erweiterung der Anwendung von Ergebnissen aus Dauerfunktionsprüfung(en) des Selbstschließens, die nach EN 1191 durchgeführt wurden.
In Abhängigkeit von der Durchführung der entsprechenden Prüfung oder Prüfungen zum Selbstschließen darf der erweiterte Anwendungsbereich einige oder alle der nachstehend aufgeführten Bereiche abdecken, wobei diese Liste als unvollständig anzusehen ist:
Türflügel;
Seitenteile, Oberblenden und/oder Oberteile mit Kämpfer;
Lüftungsgitter und/oder -lamellen;
an der Wand/Decke befestigte Elemente (Zarge/Aufhängungssystem);
Verglasung für Türflügel, Seitenteile, Oberteile mit Kämpfern und bündige Oberblenden;
Baubeschläge;
dekorative Beschichtungen;
dämmschichtbildende Dichtungen, sowie Dichtungen zur Behinderung von Rauchdurchtritt (Rauchschutzdichtungen), Durchzug oder Schallübertragung (Schallschutzdichtungen);
alternative Tragkonstruktion(en).
Application étendue des résultats d’essais de durabilité de la fermeture automatique des blocs-portes et fenêtres ouvrantes résistants au feu et/ou étanches à la fumée - Partie 1 : Durabilité de la fermeture automatique des blocs-portes battants et pivotants en acier
Le présent document couvre les blocs portes battants et pivotants à base d’acier, à un ou deux vantaux, visés par l’EN 15269 2 ou l’EN 15269 20.
Le présent document prescrit la méthodologie permettant d’étendre l’application des résultats d’essai obtenus suite à un ou des essais de durabilité de la fermeture automatique réalisés conformément à l’EN 1191.
Sous réserve de la réalisation de l’essai ou des essais appropriés de fermeture automatique, l’application étendue peut couvrir tout ou partie de la liste non exhaustive suivante :
— vantail ;
— panneaux latéraux, supérieurs et/ou d’imposte ;
— grilles de ventilation et/ou jalousies ;
— éléments fixes muraux/de plafond (structure/système de suspension) ;
— vitrage pour vantail ou panneaux latéraux et d’imposte ;
— éléments de quincaillerie de bâtiment ;
— finitions décoratives ;
— joints intumescents, d’étanchéité à la fumée, à l’air ou acoustiques ;
— autre ou autres constructions supports.
Razširjena uporaba rezultatov preskusov trajnosti samozapiranja za požarno odporna in/ali dimotesna vrata in okna, ki se odpirajo - 1. del: Trajnost samozapiranja jeklenih vrat z vrtljivim krilom
Ta dokument zajema enoslojna in dvoslojna jeklena vrata z vrtljivim krilom, obravnavana v standardu EN 15269-2 oziroma EN 15269-20.
Ta dokument predpisuje metodologijo za razširitev uporabe rezultatov, pridobljenih iz preskusov trajnosti samozapiranja, izvedenih v skladu s standardom EN 1191.
Razširjena uporaba lahko (glede na opravljene ustrezne preskuse samozapiranja) zajema vse ali nekatere primere iz naslednjega neizčrpnega seznama:
– vratno krilo;
– stranice, tramovi in/ali podboji;
– prezračevalne rešetke in/ali žaluzijske lopute;
– stensko/stropno okovje (okvir/sistem vzmetenja);
– steklo za vratno krilo, stranice, tramove in poravnane podboje;
– elementi stavbnega okovja;
– okrasni zaključki;
– intumescentna, dimna, protihrupna tesnila ali tesnila proti prepihu;
– alternativne podporne konstrukcije.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 17020-1:2023
01-januar-2023
Razširjena uporaba rezultatov preskusov trajnosti samozapiranja za požarno
odporna in/ali dimotesna vrata in okna, ki se odpirajo - 1. del: Trajnost
samozapiranja jeklenih vrat z vrtljivim krilom
Extended application of test results on durability of self-closing for fire resistance and/or
smoke control doorsets and openable windows - Part 1: Durability of self-closing of
hinged and pivoted steel doorsets
Erweiterter Anwendungsbereich von Prüfergebnissen zur Dauerhaftigkeit des
Selbstschließens für Feuerschutz- und/oder Rauchschutztüren und zu öffnende Fenster
- Teil 1: Dauerhaftigkeit des Selbstschließens von Drehflügeltoren und Drehflügeltüren
aus Stahl
Application étendue des résultats d ’essais de durabilité de la fermeture automatique des
blocs-portes et fenêtres ouvrantes résistants au feu et/ou étanches à la fumée - Partie 1
: Durabilité de la fermeture automatique des blocs-portes battants et pivotants en acier
Ta slovenski standard je istoveten z: EN 17020-1:2022
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
SIST EN 17020-1:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 17020-1:2023
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SIST EN 17020-1:2023
EN 17020-1
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2022
EUROPÄISCHE NORM
ICS 13.220.50; 91.060.50
English Version
Extended application of test results on durability of self-
closing for fire resistance and/or smoke control doorsets
and openable windows - Part 1: Durability of self-closing
of hinged and pivoted steel doorsets
Application étendue des résultats d'essais de durabilité Erweiterter Anwendungsbereich von Prüfergebnissen
de la fermeture automatique des blocs-portes et zur Dauerhaftigkeit des Selbstschließens für
fenêtres ouvrantes résistants au feu et/ou étanches à la Feuerschutz- und/oder Rauchschutztüren und zu
fumée - Partie 1 : Durabilité de la fermeture öffnende Fenster - Teil 1: Dauerhaftigkeit des
automatique des blocs-portes battants et pivotants en Selbstschließens von Drehflügeltoren und
acier Drehflügeltüren aus Stahl
This European Standard was approved by CEN on 5 September 2022.
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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17020-1:2022 E
worldwide for CEN national Members.
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SIST EN 17020-1:2023
EN 17020-1:2022 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 7
4 Determination of the field of extended application . 8
4.1 General . 8
4.2 Procedure for evaluation . 9
4.3 Procedure for maximum field of extended application . 9
4.4 Interpretation of test results . 10
5 Extended application report . 10
6 Classification report . 10
Annex A (normative) Construction parameter variations . 11
Annex B (normative) Arrangements for doorsets incorporating side and/or over panels . 80
Annex C (normative) Construction parameter variation simulation by applying additional
weights . 87
Bibliography . 88
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SIST EN 17020-1:2023
EN 17020-1:2022 (E)
European foreword
This document (EN 17020-1:2022) has been prepared by Technical Committee CEN/TC 127 “Fire safety
in buildings”, the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by May 2023, and conflicting national standards shall be
withdrawn at the latest by May 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
A list of all parts in the EN 17020 series and the EN 15269 series can be found on the CEN website.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United
Kingdom.
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EN 17020-1:2022 (E)
Introduction
The EN 15269 series of standards covering extended application of test results for fire resistance and/or
smoke control for doorsets, openable windows and shutter assemblies, including their items of building
hardware, does not yet include the durability of self-closing following an extended application process.
This document is one of the EN 17020 series of standards intended to be used for the purpose of
producing an extended application report based on the evaluation of one or more durability of self-
closing tests. These European Standards may also be used to identify the best selection of test specimens
required to cover a wide range of product variations.
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SIST EN 17020-1:2023
EN 17020-1:2022 (E)
1 Scope
This document covers single and double leaf, hinged and pivoted, steel based doorsets as covered by
EN 15269-2 and/or EN 15269-20.
This document prescribes the methodology for extending the application of test results obtained from
durability of self-closing test(s) conducted in accordance with EN 1191 and or EN 12605:2000, as
appropriate.
Subject to the completion of the appropriate durability of self-closing test(s), the extended application
can cover all or some of the following non-exhaustive list:
— door leaf;
— side, transom and/or overpanels;
— ventilation grilles and/or louvres;
— wall or ceiling fixed parts or items of the doorset, e.g. frame or suspensions systems;
— glazing for door leaf, side, transom and flush over panels;
— items of building hardware;
— decorative finishes;
— intumescent strips, smoke, draught or acoustic seals;
— alternative supporting construction(s).
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 179, Building hardware - Emergency exit devices operated by a lever handle or push pad, for use on
escape routes - Requirements and test methods
EN 1125, Building hardware - Panic exit devices operated by a horizontal bar, for use on escape routes -
Requirements and test methods
EN 1154, Building hardware - Controlled door closing devices - Requirements and test methods
EN 1155, Building hardware - Electrically powered hold-open devices for swing doors - Requirements and
test methods
EN 1158, Building hardware - Door coordinator devices - Requirements and test methods
EN 1191, Windows and doors - Resistance to repeated opening and closing - Test method
EN 1363-1, Fire resistance tests - Part 1: General requirements
EN 1634-1, Fire resistance and smoke control tests for door and shutter assemblies, openable windows and
elements of building hardware - Part 1: Fire resistance test for door and shutter assemblies and openable
windows
5
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SIST EN 17020-1:2023
EN 17020-1:2022 (E)
EN 1634-3, Fire resistance and smoke control tests for door and shutter assemblies, openable windows and
elements of building hardware - Part 3: Smoke control test for door and shutter assemblies
1
EN 1935:2002 , Building hardware - Single-axis hinges - Requirements and test methods
EN 12209, Building hardware - Mechanically operated locks and locking plates - Requirements and test
methods
EN 12519, Windows and pedestrian doors - Terminology
EN 12605:2000, Industrial, commercial and garage doors and gates - Mechanical aspects - Test Methods
EN 13501-2, Fire classification of construction products and building elements - Part 2: Classification using
data from fire resistance tests, excluding ventilation services
EN 13637, Building hardware - Electrically controlled exit systems for use on escape routes - Requirements
and test methods
EN 14846, Building hardware - Locks and latches - Electromechanically operated locks and striking plates
- Requirements and test methods
EN 15269-1, 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
EN 15269-2, 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
2
, Building hardware – Multipoint locks, latches and locking plates - Requirements and test
EN 15685
methods
EN 16034, Pedestrian doorsets, industrial, commercial, garage doors and openable windows - Product
standard, performance characteristics - Fire resisting and/or smoke control characteristics
EN 16035, Hardware performance sheet (HPS) - Identification and summary of test evidence to facilitate
the inter-changeability of building hardware for application to fire resisting and/or smoke control doorsets
and/or openable windows
EN ISO 13943, Fire safety - Vocabulary (ISO 13943)
1
As impacted by EN 1935:2002/AC:2003.
2
Under preparation. Stage at the time of publication: prEN 15685:2022.
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EN 17020-1:2022 (E)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 1191, EN 1363-1, EN 1363-2,
EN 1634-1, EN 1634-3, EN 12519, EN 15269-1, EN 15269-2 and EN ISO 13943 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
full scale test
test of a full size doorset in accordance with EN 1191
3.2
core
material fitted centrally within the thickness of a door leaf which may consist of a single sheet of material
or a combination either of sheets of the same material or layers of different materials
3.3
panel
component of a door leaf separated from other elements by joints which break through the total door leaf
thickness
Note 1 to entry: A door leaf can consist of one or more panels.
3.4
add
to put an additional component to the doorset which has not been tested as a part of the original doorset
3.5
remove
to take a component away which has been tested as a part of the original doorset
3.6
alternative
variation intended by the application of EXAP rules where the original construction parameter tested
shall be substituted by another one either by change, interchange or exchange
Note to entry: Finally, the alternatives are those variations that are permitted by the EXAP report.
3.7
faces and sides of a door leaf
faces and sides of a door leaf are shown in Figure 1
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SIST EN 17020-1:2023
EN 17020-1:2022 (E)
Key
1 opening face
2 closing face
3 lock side
4 hinge side
5 top side
6 bottom side
Figure 1 — Faces and sides of a door leaf
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 shall have been tested
in accordance with EN 1191 and/or EN 12605:2000 to achieve a test result, which could generate a
classification for the durability of self-closing in accordance with EN 13501-2 and/or correspond to a use
category according to EN 16034.
4.1.2 A review of the doorset construction parameters can indicate that one or more characteristics can
be improved by a particular parameter variation. All evaluations shall be made on the basis of retaining
the classifications for the durability of self-closing obtainable from testing to EN 1191 and/or EN 12605,
including those with a lower number of opening and closing cycles. However, this shall never lead to an
increased classification for the durability of self-closing for any specific parameter beyond that achieved
during any one test unless specifically identified in the relevant Construction Parameter Variation tables.
4.1.3 If, when following the extended application procedure, any part of the classified product cannot
be covered by the extended application rules, that part shall be omitted from the subsequent extended
application report and classification report.
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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. Ensure that the variation(s) do/does not prevent the doorset from self-
closing.
4.2.2 Locate the variations in the appropriate parameter variation by reference to columns (1) and (2)
of Table A.1.
4.2.3 Establish from the contents of column (3) of Table A.1 whether any extended application is
available beyond the direct application rules in EN 1191 and/or EN 12605:2000 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 (3) in Table A.1.
4.2.5 Where the variations required can only be achieved from additional testing according to column
(4), the additional test can be made on a test specimen similar to the original test specimen against which
the extended application is sought. Alternatively, column (4) in Table A.1 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 of extended application from the results of a single test.
However, where a manufacturer intends to produce a range of doorsets incorporating single leaf doorsets
and also double leaf doorsets with or without glazing, with alternative items of building hardware, etc., it
is recommended that careful consideration is given to the complete range of doorset designs and options
in order to minimize 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 Determine which are the most important specification requirements and incorporate as many as
possible into the specimen(s) for the first tests in the series.
4.3.4 Conduct the first durability of self-closing test or a series of tests and then establish which of the
original desired parameter variations have not been covered by this test(s), including direct application
possibilities.
4.3.5 Identify these parameter variations in Table A.1 and establish if any extended application is
possible without further testing.
4.3.6 Record this for the extended application report together with any restrictions and rules given in
column (3) in Table A.1.
4.3.7 Evaluate which, if any, of the desired parameter variations have not been covered by the initial
field of extended application derived from 4.3.6 above.
4.3.8 Determine if the product range is to include only single leaf doorsets or if the range is to also
include double leaf configurations. Where only single leaf doorsets are to be part of the product range,
the outstanding construction parameter variations shall only be incorporated into specimens for the
single leaf doorsets. Where single leaf and double leaf doorsets are to be included in the product range,
the outstanding construction parameter variations for the extended application of single leaf doorsets
may be incorporated into either repeated single leaf doorset tests or, in the weakest option, as defined in
column (4) of the table in Table A.1, double leaf doorset configurations.
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4.3.9 Select the required outstanding parameter variations from column (1) and column (2) of
Table A.1 and observe from column (4) in Table A.1 which are the most appropriate weakest specimen
options for further testing.
4.3.10 If the complete selection of required parameter variations has not been covered by the tests
completed in accordance with 4.3.8 and 4.3.9 above, then an appropriate test or tests may be carried out
with the additional product variations incorporated.
4.4 Interpretation of test results
4.4.1 In order to maximize the extended field of application, it is important that the test reports shall
record details of any failures occurred 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). This means that he failed parameters have to be excluded from the classification /
EXAP report.
5 Extended application report
Prepare an extended application report in accordance with the requirements of EN 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 EN 13501-2.
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Annex A
(normative)
Construction parameter variations
Table A.1 below is designed to be used by experts competent in the field of fire resistance, smoke control
and durability of self-closing testing of hinged and pivoted steel doorsets.
The table shall only be used to assess a field of extended application when at least one positive durability
of self-closing test to EN 1191 and/or EN 12605:2000, as appropriate has generated a classification
according to EN 13501-2 and/or correspond to a use category according to EN 16034.
The first two columns identify possible variations to the construction details of the specimen tested. It is
presupposed that the variations do not restrain the doorset from closing.
Column (3) leads to the judgement of the possibility of extending the field of application.
Where additional tests are deemed to be necessary, the type of specimen approved for incorporation of
the changed parameter is defined in column (4). 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.
Where an additional test is required in column (4), the test is a full scale test unless otherwise specified.
In order to maximize the possible field of application from a minimum number of tests, the parameter
changes have been spread over a series of test specimens. Where more than a single parameter variation
is required, the influence on other variations shall also be taken into account.
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Table A.1 — Construction parameter variations
Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A Door leaf
In certain cases, the rules given in Section A are also appropriate to side, transom and flush over panels or the door frame; where this is the case it is clearly indicated at
the beginning of the relevant section. For double leaf doorsets, both door leaves shall be of the same construction.
A.1 General
A.1.1 Number of door leaves — See Single leaf doorset from Possible –
Figure A.1 double leaf doorset test
only applicable to doorsets tested
without transom and/or flush over
panels.
A.1.2 Number of door leaves — See Double leaf doorset Not possible without additional test Additional test double leaf doorset
Figure A.1 from single leaf doorset
test
only applicable to doorsets tested
without transom and/or flush over
panels.
A.1.3 Number of panels per door leaf Add Possible if tested at least one door leaf (single, Additional test double for single
(primary or secondary door leaf) primary or secondary door leaf) with the minimum and double leaf doorsets or single
one panel per door leaf
of two panels, panel size not increased and the for single leaf doorsets
— on any door leaf
intended jointing technique centrally located in the
door leaf
otherwise
not possible without an additional test
A.1.4 Number of panels per door leaf Reduce Possible providing the tested width of the panel is Additional test double for single
(primary or secondary door leaf) — not increased and double leaf doorsets or single
one panel per door leaf
See Figure A.2 for single leaf doorsets doorset
otherwise
not possible without an additional test
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Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.1.5 Intumescent strips between door Move towards the door Possible –
frame and door leaf/leaves — See frame rebate
Figure A.3.
A.1.6 Intumescent strips between door Move away from the Possible –
frame and door leaf/leaves — See door frame rebate
Figure A.4.
A.1.7 Location of intumescent strips Alternative Possible –
between meeting edges of the door
leaves
A.1.8 Location of non-intumescent seals Alternative Possible –
between door frame and door
leaf/leaves (draught/smoke/acoustic
etc.) — Euroclass A1 (reaction to fire
class A1 acc. to EN 13501-1), e.g.
ceramic products (fitted in door leaf or
door frame) — See Figure A.5
A.1.9 Location of non-intumescent seals Alternative Possible –
between meeting edges of the door
leaves (draught/smoke/acoustic etc.)
— Euroclass A1 (reaction to fire class
A1 acc. to EN 13501-1), e.g. ceramic
products
A.1.10 Location of non-intumescent Alternative Possible providing the deformation of the seal will Additional test double for single
seals/combination of non-intumescent not increase during movement of the door and double leaf doorsets or single
and intumescent seals between door leaf/leaves otherwise for single leaf doorsets
leaves and/or door frames (draught not possible without an additional test
/smoke/acoustic etc.) — Euroclass A1
(reaction to fire class A1 acc. to
EN 13501-1) (fitted in door leaf or
door frame). — See Figure A.6
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EN 17020-1:2022 (E)
Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.1.11 Non-intumescent seals between door Add Not possible without an additional test Additional test double for single
leaves and/or door frames and double leaf doorsets or single
(draught/smoke/acoustic seals etc.) for single leaf doorsets
— Euroclass A1 (reaction to fire class
A1 acc. to EN 13501-1), e.g. ceramic
products (fitted in door leaf or door
frame). — See Figure A.7
A.1.12 Non-intumescent seals between door Remove Possible –
leaves and/or door frame
(draught/smoke/acoustic seals etc.)
— Euroclass A1 (reaction to fire class
A1 acc. to EN 13501-1), e.g. ceramic
products (fitted in door leaf or door
frame) — See Figure A.8
A.1.13 Non-intumescent seals between door Add Not possible without an additional test Additional test double for single
leaves and/or door frames and double leaf doorsets or single
(draught/smoke/acoustic seals etc.) for single leaf doorsets
— < Euroclass A1 (reaction to fire
class A1 acc. to EN 13501-1) (fitted in
door leaf or door frame) — See
Figure A.9
A.1.14 Non-intumescent seals between door Remove Possible –
leaves and/or door frames
(draught/smoke/acoustic seals etc.
— < Euroclass A1 (reaction to fire
class A1 acc. to EN 13501-1) (fitted in
door leaf or door frame) — See
Figure A.10
A.1.15 Air transfer grilles (e.g. ventilation Add possible providing the requirements of Annex C are Additional test single or double
grilles/louvres) in door leaf tested fulfilled leaf doorset
without ventilation grille — See
otherwise
Figure A.11a
not possible without an additional test
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EN 17020-1:2022 (E)
Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.1.16 Air transfer grilles (e.g. ventilation Remove Possible providing the requirements of Annex C are Additional test single or double
grilles/louvres) in door leaf — fulfilled leaf doorset
See Figure A.11b
otherwise
not possible without an additional test
A.1.17 Location of Air transfer grilles (e.g. Change in vertical Possible –
ventilation grilles/louvres) in door direction
leaf tested with ventilation grille
A.1.18 Location of Air transfer grilles (e.g. Change in horizontal Possible –
ventilation grilles/louvres) in door direction
leaf tested with ventilation grille —
See Figure A.12
A.1.19.1 Air transfer grilles (e.g. ventilation Smaller size Possible providing the requ
...
SLOVENSKI STANDARD
oSIST prEN 17020-1:2021
01-junij-2021
Razširjena uporaba rezultatov preskusov trajnosti samozapiranja za požarno
odporna in/ali dimotesna vrata in okna, ki se odpirajo - 1. del: Trajnost
samozapiranja jeklenih vrat z vrtljivim krilom
Extended application of test results on durability of self-closing for fire resistance and/or
smoke control doorsets and openable windows - Part 1: Durability of self-closing of
hinged and pivoted steel doorsets
Erweiterter Anwendungsbereich von Prüfergebnissen zur Dauerhaftigkeit des
Selbstschließens für Feuerschutz- und/oder Rauchschutztüren und zu öffnende Fenster
- Teil 1: Dauerhaftigkeit des Selbstschließens von Drehflügeltoren und Drehflügeltüren
aus Stahl
Application étendue des résultats d ’essais de durabilité de la fermeture automatique des
blocs-portes et fenêtres ouvrantes résistants au feu et/ou étanches à la fumée - Partie 1
: Durabilité de la fermeture automatique des blocs-portes battants et pivotants en acier
Ta slovenski standard je istoveten z: prEN 17020-1
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 17020-1:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 17020-1:2021
DRAFT
EUROPEAN STANDARD
prEN 17020-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2021
ICS 13.220.50; 91.060.50
English Version
Extended application of test results on durability of self-
closing for fire resistance and/or smoke control doorsets
and openable windows - Part 1: Durability of self-closing
of hinged and pivoted steel doorsets
Application étendue des résultats d'essais de durabilité Erweiterter Anwendungsbereich von Prüfergebnissen
de la fermeture automatique des blocs-portes et zur Dauerhaftigkeit des Selbstschließens für
fenêtres ouvrantes résistants au feu et/ou étanches à la Feuerschutz- und/oder Rauchschutztüren und zu
fumée - Partie 1 : Durabilité de la fermeture öffnende Fenster - Teil 1: Dauerhaftigkeit des
automatique des blocs-portes battants et pivotants en Selbstschließens von Drehflügeltoren und
acier Drehflügeltüren aus Stahl
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-CENELEC
Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey 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.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17020-1:2021 E
worldwide for CEN national Members.
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prEN 17020-1:2021 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Determination of the field of extended application . 7
4.1 General . 7
4.2 Procedure for evaluation . 7
4.3 Procedure for maximum field of extended application . 7
4.4 Interpretation of test results . 8
5 Extended application report . 8
6 Classification report . 8
Annex A (normative) Construction parameter variations . 9
Annex B (normative) Arrangements for doorsets incorporating side and/or over panels . 73
Annex C (normative) Construction parameter variation simulation by applying additional
weights . 80
2
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prEN 17020-1:2021 (E)
European foreword
This document (prEN 17020-1:2021) 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.
A list of all parts in the EN 17020 series can be found on the CEN website.
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Introduction
The EN 15269 series of standards covering 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, does not include the durability of self-closing of the doorsets following an extended application
process. This document is one of the EN 17020 series of standards intended to be used for the purpose of
producing an extended application report based on the evaluation of one or more durability of self-
closing tests. These European Standards may also be used to identify the best selection of test specimens
required to cover a wide range of product variations.
Before there can be any consideration for extended application, the doorset should have been tested in
accordance with EN 1191 to achieve a test result which could generate a classification in accordance with
EN 13501-2 and EN 16034 at least equal to the classification subsequently required from extended
application considerations.
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1 Scope
This document covers single and double leaf, hinged and pivoted, steel based doorsets as covered by
EN 15269-2 or EN 15269-20.
This document prescribes the methodology for extending the application of test results obtained from
durability of self-closing test(s) conducted in accordance with EN 1191.
Subject to the completion of the appropriate self-closing test(s), the extended application can cover all or
some of the following non-exhaustive list
— door leaf;
— side, transom and/or overpanels;
— ventilation grilles and/or louvres;
— wall/ceiling fixed elements (frame/suspension system);
— glazing for door leaf, side, transom and flush over panels;
— items of building hardware;
— decorative finishes;
— intumescent, smoke, draught or acoustic seals;
— alternative supporting construction(s).
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 179, Building hardware - Emergency exit devices operated by a lever handle or push pad, for use on
escape routes - Requirements and test methods
EN 1125, Building hardware - Panic exit devices operated by a horizontal bar, for use on escape routes -
Requirements and test methods
EN 1154, Building hardware - Controlled door closing devices - Requirements and test methods
EN 1191, Windows and doors - Resistance to repeated opening and closing - Test method
EN 1363-1, Fire resistance tests - Part 1: General requirements
EN 1363-2, Fire resistance tests - Part 2: Alternative and additional procedures
EN 1634-1, Fire resistance and smoke control tests for door and shutter assemblies, openable windows and
elements of building hardware - Part 1: Fire resistance test for door and shutter assemblies and openable
windows
EN 1634-3, Fire resistance and smoke control tests for door and shutter assemblies, openable windows and
elements of building hardware - Part 3: Smoke control test for door and shutter assemblies
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prEN 17020-1:2021 (E)
EN 1935, Building hardware - Single-axis hinges - Requirements and test methods
EN 12209, Building hardware - Mechanically operated locks and locking plates - Requirements and test
methods
EN 12519, Windows and pedestrian doors - Terminology
EN 13501-2:2016, Fire classification of construction products and building elements - Part 2: Classification
using data from fire resistance tests, excluding ventilation services
EN 13637, Building hardware - Electrically controlled exit systems for use on escape routes - Requirements
and test methods
EN 14846, Building hardware - Locks and latches - Electromechanically operated locks and striking plates
- Requirements and test methods
EN 15269-1, 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
EN 15269-2, 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
EN 15685, Building hardware – Multipoint locks, latches and locking plates - Requirements and test
methods
EN 16034, Pedestrian doorsets, industrial, commercial, garage doors and openable windows - Product
standard, performance characteristics - Fire resisting and/or smoke control characteristics
EN ISO 13943, Fire safety - Vocabulary (ISO 13943)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 1191, EN 1363-1, EN 1363-2,
EN 1634-1, EN 1634-3, EN 12519, EN 15269-1, EN 15269-2 and EN ISO 13943 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at http://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
full scale test
test of a full size doorset in accordance with EN 1191
3.2
core
material fitted centrally within the thickness of a door leaf which may consist of a single sheet of material
or a combination either of sheets of the same material or layers of different materials
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3.3
panel
component of a door leaf separated from other elements by joints which break through the total
door thickness
Note 1 to entry: 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 shall have been tested
in accordance with EN 1191 to achieve a test result, which could generate a classification in accordance
with EN 13501-2 and/or correspond to a use category according to EN 16034.
4.1.2 A review of the doorset construction parameters can indicate that one or more characteristics can
be improved by a particular parameter variation. All evaluations shall be made on the basis of retaining
the classifications obtainable from testing to EN 1191, including those with a lower number of opening
and closing cycles. 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 If, when following the extended application procedure, any part of the classified product cannot
be covered by the extended application rules, that part 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.
4.2.2 Locate the variations in the appropriate parameter variation by reference to columns (1) and (2)
of Table A.1.
4.2.3 Establish from the contents of column (3) of Table A.1 whether any extended application is
available 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 (3) in Table A.1.
4.2.5 Where the variations required can only be achieved from additional testing according to column
(4), the additional test can be made on a similar specimen type to the original test against which the
extended application is sought. Alternatively, column (4) in Table A.1 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 of extended application from the results of a single test.
However, where a manufacturer intends to produce a range of doors incorporating single leaf door
assemblies and also double leaf door assemblies with or without glazing, with alternative items of
building hardware, etc., it is recommended that careful consideration is given to the complete range of
doorset designs and options in order to minimize the testing required before testing commences.
4.3.2 Establish all the parameter variations which are required to be part of the product range.
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4.3.3 Determine which are the most important specification requirements and incorporate as many as
possible into the specimen(s) for the first tests in the series.
4.3.4 Conduct the first durability test or a series of tests and then establish which of the original desired
parameter variations have not been covered by this test(s).
4.3.5 Identify these parameter variations in Table A.1 and establish if any extended application is
possible without further testing.
4.3.6 Record this for the extended application report together with any restrictions and rules given in
column (3) in Table A.1.
4.3.7 Evaluate which, if any, of the desired parameter variations have not been covered by the initial
field of extended application derived from 4.3.6 above.
4.3.8 Determine if the product range is to include only single leaf doorsets or if the range is to also
include double leaf configurations. Where only single doorsets are to be part of the product range, the
outstanding construction parameter variations shall only be incorporated into specimens for the single
leaf doorsets. Where single leaf and double leaf doorsets are to be included in the product range, the
outstanding construction parameter variations for the extended application of single leaf doorsets may
be incorporated into either repeated single leaf doorset tests or, in the weakest option, as defined in
column (4) of the table in Table A.1, double leaf doorset configurations.
4.3.9 Select the required outstanding parameter variations from column (1) and column (2) of
Table A.1 and observe from column (4) in Table A.1 which are the most appropriate weakest specimen
options for further testing.
4.3.10 If the complete selection of required parameter variations has not been covered by the tests
completed in accordance with 4.3.8 and 4.3.9 above, then an appropriate test or tests may be carried out
with the additional product variations incorporated.
4.4 Interpretation of test results
4.4.1 In order to maximize the extended field of application, it is important that the test reports shall
record details of any failures occurred 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 EN 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 EN 13501-2:2016, Annex A.
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Annex A
(normative)
Construction parameter variations
Table A.1 below is designed to be used by experts competent in the field of self-closing durability testing
of hinged and pivoted steel doorsets.
The table shall only be used to assess a field of extended application when at least one positive self-closing
durability test to EN 1191 has generated a classification according to EN 13501-2 and EN 16034.
The first two columns identify possible variations to the construction details of the specimen tested. It is
presupposed that the variation does not restrain the door closing.
Column (3) leads to the judgement of the possibility of extending the field of application.
Where additional tests are deemed to be necessary, the type of specimen approved for incorporation of
the changed parameter is defined in column (4). 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.
Where an additional test is required in column (4), the test is a full scale test unless otherwise specified.
In order to maximize the possible field of application from a minimum number of tests, the parameter
changes have been spread over a series of test specimens. Where more than a single parameter variation
is required, the influence on other variations shall also be taken into account.
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Table A.1 — Construction parameter variations
Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A Door leaf
In certain cases, the rules given in Section A are also appropriate to side, transom and flush over panels or the door frame; where this is the case it is clearly indicated at
the beginning of the relevant section. For double leaf door sets, both leaves shall be of the same basic construction.
A.1 General
A.1.1 Number of leaves — See Figure A.1 Single leaf from double Possible –
leaf test
only applicable to doorsets tested
without transom and/or flush over
panels. See Annex C.
A.1.2 Number of leaves — See Figure A.1 Double leaf from single Not possible without additional test Additional test double leaf doorset
leaf test
only applicable to doorsets tested
without transom and/or flush over
panels. See Annex C.
A.1.3 Number of panels per leaf (primary or Add Possible if tested at least one leaf (single, primary or Additional test double for single
secondary) secondary) with the minimum of two panels, panel and double leaf door sets or single
(one panel per leaf —
size not increased and the intended jointing for single leaf doorsets
on any leaf)
technique centrally located in the door leaf
otherwise
not possible without an additional test
A.1.4 Number of panels per leaf(primary or Reduce Possible providing the tested width of the panel is Additional test double for single
secondary) — See Figure A.2 not increased and double leaf door sets or single
(one panel per leaf)
for single leaf door sets doorset
otherwise
not possible without an additional test
A.1.5 Intumescent seals between frame and Location towards the Possible –
door leaf/leaves — See Figure A.3. frame rebate
A.1.6 Intumescent seals between frame and Location away from the Possible –
door leaf/leaves — See Figure A.4. frame rebate
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Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.1.7 Intumescent seals between meeting Location Possible –
edges of the door leaves
A.1.8 Non intumescent seals between frame Location Possible –
and door leaf/leaves
(draught/smoke/acoustic etc.) —
Euroclass A1, e.g. ceramic products
(fitted in leaf or frame) — See
Figure A.5
A.1.9 Non intumescent seals between Location Possible –
meeting edges of the door leaves
(draught/smoke/acoustic etc.) —
Euroclass A1, e.g. ceramic products
A.1.10 Non intumescent seals/combination of Location Possible providing the deformation of the seal will Additional test double for single
non-intumescent and intumescent not increase during movement of the door and double leaf door sets or single
seals between door leaves and/or leaf/leaves otherwise for single leaf doorsets
frames (draught /smoke/acoustic etc.) not possible without an additional test
— Euroclass A1 (fitted in leaf or
frame). — See Figure A.6
A.1.11 Non intumescent seals between door Add Not possible without an additional test Additional test double for single
leaves and/or frames and double leaf door sets or single
(draught/smoke/acoustic etc.) — for single leaf doorsets
Euroclass A1, e.g. ceramic products
(fitted in leaf or frame). — See
Figure A.7
A.1.12 Non intumescent seals between door Remove Possible –
leaves and/or frames
(draught/smoke/acoustic etc.) —
Euroclass A1, e.g. ceramic products
(fitted in leaf or frame) — See
Figure A.8
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Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.1.13 Non intumescent seals between door Add Not possible without an additional test Additional test double for single
leaves and/or frames and double leaf door sets or single
(draught/smoke/acoustic etc.) for single leaf doorsets
— < Euroclass A1 (fitted in leaf or
frame) — See Figure A.9
A.1.14 Non intumescent seals between door Remove Possible –
leaves and/or frames
(draught/smoke/acoustic etc.
— < Euroclass A1 (fitted in leaf or
frame) — See Figure A.10
A.1.15 Ventilation grilles (louvres) in door Add possible providing the requirements of Annex C are Additional test single or double
leaf tested without ventilation grille — fulfilled leaf doorset
See Figure A.11a
otherwise
not possible without an additional test
A.1.16 Ventilation grilles (louvres) in door Remove Possible –
leaf — See Figure A.11b
A.1.17 Ventilation grilles (louvres) in door Location in vertical Possible –
leaf tested with ventilation grille direction
A.1.18 Ventilation grilles (louvres) in door Location in horizontal Possible –
leaf tested with ventilation grille — direction
See Figure A.12
A.1.19 Ventilation grilles (louvres) in door
leaf tested with ventilation grille
— See Figure A.13a Smaller size Smaller size: Possible –
— See Figure A.13b Larger size Larger size: Possible providing the requirements of Additional test single or double
Annex C are fulfilled leaf doorset
otherwise
not possible without an additional test
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Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.1.20 Rebate (door leaves to frames) — See Add Possible –
Figure A.14a
A.1.21 Rebate (meeting edges) — See Add Possible –
Figure A.14b
(one rebate)
A.1.22 Rebate (door leaves to frames) — See Remove Possible –
Figure A.15
A.1.23 Rebate (meeting edges) Remove Possible –
A.1.24 Latched condition for single and Change in latching Possible in line with the following relationship: Additional test double for single
double leaf doorsets condition and double leaf doorsets or single
tested tested tested
for single leaf doorsets
without with a with a
a latch/ latch/lock latch/
lock but lock
unlatched latched
extension to: — Possible possible
without a
lock/latch
extension to: Possible — possible
with lock/latch
but
unlocked/unlat
ched
(disengaged)
extension to: Not Not —
with a possible possible
lock/latch,
latched
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Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.2 Size variations/single or multiple panel construction
A.2.1 Size (area, width, height) Decrease Possible –
A.2.2 Height Increase Possible by a maximum of 80 % providing the Additional test double for single
requirements of Annex C are fulfilled and double leaf doorsets or single
for single leaf doorsets
otherwise
not possible without an additional test
A.2.3 Width Increase Possible by a maximum of 25 % providing that the Additional test double for single
requirements of Annex C are fulfilled otherwise not and double leaf doorsets or single
possible without an additional test for single leaf doorsets
A.2.4 Area Increase Possible in line with A.2.2 and A.2.3 Additional test double for single
and double leaf doorsets or single
otherwise
for single leaf doorsets
not possible without an additional test
A.2.5 Thickness of the door leaf Increase Possible providing the requirements of Annex C are Additional test double for single
fulfilled and by a maximum of 25 % and double leaf doorsets or single
for single leaf doorsets
otherwise
not possible without an additional test
A.2.6 Thickness of the door leaf Decrease Possible by a maximum of 10 % Additional test double for single
and double leaf doorsets or single
otherwise
for single leaf doorsets
not possible without an additional test
A.3 Materials and constructions
A.3.1 Density of core material Increase Possible providing the requirements of Annex C are Additional test double for single
fulfilled and double leaf doorsets or single
for single leaf doorsets
otherwise
not possible without an additional test
A.3.2 Density of core material Decrease Possible –
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Construction Parameter Variation Possibility of extension Additional Evidence Required
(1) (2) (3) (4)
A.3.3 Thickness of core material — See Increase possible providing the requirements of Annex C are Additional test double for single
Figure A.16 fulfilled otherwise not possible without an and double leaf doorsets or single
additional test for single leaf doorsets
A.3.4 Thickness of core material — See Decrease Possible –
Figure A.17
A.3.5 Pattern of core material — See Increase number of Possible –
Figure A.18 pieces
A.3.6 Pattern of core material — See Decrease number
...
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