oSIST prEN 17020-1:2016
(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 European Standard covers single and double leaf, hinged and pivoted, steel based doorsets covered by EN 15269 2.
This document prescribes the methodology for extending the application of test results obtained from durability self-closing test(s) conducted in accordance with EN 1191.
Subject to the completion of the appropriate self-closing test or tests, the extended application may cover all or some of the following examples:
- 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 Drehflügeltüren aus Stahl
Diese Europäische Norm deckt ein- und zweiflügelige Drehflügeltürelemente auf Stahlbasis, die unter EN 15269 2 fallen, ab.
Dieses Dokument legt die Methodik zur Erweiterung der Anwendung von Ergebnissen aus Dauerhaftigkeits-Selbstschließungsprüfungen, die nach EN 1191 ausgeführt wurden, fest.
In Abhängigkeit von der Durchführung der entsprechenden Prüfung oder Prüfungen zur Selbstschließung, kann der erweiterte Anwendungsbereich einige oder alle der nachstehend aufgeführten Beispiele abdecken:
- Türflügel;
- Seitenteile, Oberteile mit Kämpfer und/oder Oberteile;
- Lüftungsgitter und/oder -lamellen
- an der Wand/Decke befestigte Elemente (Zarge/Aufhängungssystem);
- Verglasung für Türflügel, Seitenteile, Oberteile mit Kämpfer und bündige Oberteile;
- Baubeschläge;
- dekorative Beschichtungen;
- aufschäumende Dichtungen, Rauchschutzdichtungen, Zugluft- oder 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
La présente Norme européenne couvre les blocs-portes battants et pivotants à base d’acier, à un ou deux vantaux, visés par l’EN 15269 2.
Ce document établit la méthodologie d’extension de l’application des résultats d’essai obtenus suite aux 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 des exemples suivants :
- 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/d’imposte ;
- tout élément de quincaillerie de bâtiment ;
- finitions décoratives ;
- joints intumescents, joints d’étanchéité aux fumées, joints d’étanchéité à l’air ou joints acoustiques ;
- autre(s) support(s).
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
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 17020-1:2016
01-september-2016
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 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 17020-1:2016 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 17020-1:2016
DRAFT
EUROPEAN STANDARD
prEN 17020-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2016
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
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 33.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17020-1:2016 E
worldwide for CEN national Members.
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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 . 6
4.1 General . 6
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) Construction parameter variation simulation by applying additional
weights . 42
Bibliography . 43
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European foreword
This document (prEN 17020-1:2016) has been prepared by Technical Committee CEN/TC 33 “Doors,
windows, shutters, building hardware and curtain walling”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
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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 a 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 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 will need to have been
tested in accordance with EN 1634-1 resp. EN 1634-3 and EN 1191 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.
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1 Scope
This European Standard covers single and double leaf, hinged and pivoted, steel based doorsets covered
by EN 15269-2.
This document prescribes the methodology for extending the application of test results obtained from
durability self-closing test(s) conducted in accordance with EN 1191.
Subject to the completion of the appropriate self-closing test or tests, the extended application may
cover all or some of the following examples:
— 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, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
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
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
EN 13501-2:2007+A1:2009, Fire classification of construction products and building elements — Part 2:
Classification using data from fire resistance tests, excluding ventilation services
EN 15269-1:2010, 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
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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 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 ISO 13943, EN 1634-1, EN 1634-3, EN 15269-1 and EN 15269-2 and the following apply.
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
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 other door leaf flush overpanel
3.4
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 and classified in accordance with EN 1191 and EN 13501-2 in order to establish a classification
for the doorset. Before the extended application process can be applied on a construction parameter
variation it shall be ensured that the varied doorset is able to self-close without restraint at least once.
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 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 All evaluations shall be made on the basis of retaining the classification obtained from testing to
EN 1634-1 or EN 1634-3.
4.1.4 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.
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 (4) 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 (4) in Table A.1.
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) 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 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 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 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 (4) 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 (5) 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 (5) 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 premature integrity and/or insulation failure also record details of any distortion
to evaluate low, medium and high distortion (see Table A.1).
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 15269-1:2010,
Clause 6, 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 13501-2:2007+A1:2009, 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 fire resistance and 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.
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 (4) 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 (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.
Where an additional test is required in column (5), 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. The recommended tests for each parameter
is depending upon the classification required and the preferred direction of testing as indicated in
column (5).
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
Influence of
variation on
Construction Parameter Variation Possibility of extension Additional Evidence Required
performance
characteristic
(1) (2) (3) (4) (5)
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 Possible –
Single leaf from
only applicable to doorsets tested
=
double leaf test
without transom and/or flush over
panels. See Annex B.
A.1.2 Number of leaves Not possible without additional test Additional test double leaf
doorset
Double leaf from
only applicable to doorsets tested
<
single leaf test
without transom and/or flush over
panels. See Annex B.
Possible if tested at least one leaf (single, primary or Additional test double for single
secondary) with the minimum of two panels, panel and double leaf door sets or single
Add
size not increased and the intended jointing for single leaf doorsets
A.1.3 Number of panels per leaf (primary or
(one panel per
=
technique centrally located in the door leaf
secondary)
leaf — on any
otherwise
leaf)
not possible without an additional test
Possible providing the tested width of the panel is Additional test double for single
Reduce
not increased and double leaf door sets or single
A.1.4 Number of panels per leaf(primary or
=
(one panel per
for single leaf door sets doorset
secondary) otherwise
leaf)
not possible without an additional test
A.1.5 Intumescent seals between frame and Location towards Possible –
> = <
door leaf/leaves the frame rebate
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Influence of
variation on
Construction Parameter Variation Possibility of extension Additional Evidence Required
performance
characteristic
(1) (2) (3) (4) (5)
Location away
A.1.6 Intumescent seals between frame and
from the frame > = < Possible –
door leaf/leaves
rebate
A.1.7 Intumescent seals between meeting
Location > = < Possible –
edges of the door leaves
A.1.8 Non intumescent seals between frame
and door leaf/leaves
(draught/smoke/acoustic etc.) — Location = Possible –
Euroclass A1, e.g. ceramic products
(fitted in leaf or frame)
A.1.9 Non intumescent seals between meeting
edges of the door leaves
Location > = < Possible –
(draught/smoke/acoustic etc.) —
Euroclass A1, e.g. ceramic products
A.1.10 Non intumescent seals/combination of
Possible providing the deformation of the seal will
non-intumescent and intumescent seals Additional test double for single
not increase during movement of the door
between door leaves and/or frames Location > = < and double leaf door sets or single
leaf/leaves otherwise
(draught /smoke/acoustic etc.) — for single leaf doorsets
not possible without an additional test
Euroclass A1 (fitted in leaf or frame).
A.1.11 Non intumescent seals between door
leaves and/or frames Additional test double for single
(draught/smoke/acoustic etc.) — Add > = < Not possible without an additional test and double leaf door sets or single
Euroclass A1, e.g. ceramic products for single leaf doorsets
(fitted in leaf or frame).
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Influence of
variation on
Construction Parameter Variation Possibility of extension Additional Evidence Required
performance
characteristic
(1) (2) (3) (4) (5)
A.1.12 Non intumescent seals between door
leaves and/or frames
(draught/smoke/acoustic etc.) — Remove = Possible –
Euroclass A1, e.g. ceramic products
(fitted in leaf or frame)
A.1.13 Non intumescent seals between door
Additional test double for single
leaves and/or frames
Add = Not possible without an additional test and double leaf door sets or single
(draught/smoke/acoustic etc.) —
for single leaf doorsets
< Euroclass A1 (fitted in leaf or frame)
A.1.14 Non intumescent seals between door
leaves and/or frames
Remove = Possible –
(draught/smoke/acoustic etc. —
< Euroclass A1 (fitted in leaf or frame)
possible providing the requirements of Annex B are
Additional test single or double
fulfilled
A.1.15 Ventilation grilles (louvres) in door leaf
leaf doorset
Add =
tested without ventilation grille otherwise
not possible without an additional test
A.1.16 Ventilation grilles (louvres) in door leaf Remove = Possible –
A.1.17 Ventilation grilles (louvres) in door leaf Location in
= Possible –
tested with ventilation grille vertical direction
Location in
Possible
A.1.18 Ventilation grilles (louvres) in door leaf
horizontal = –
tested with ventilation grille
direction
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Influence of
variation on
Construction Parameter Variation Possibility of extension Additional Evidence Required
performance
characteristic
(1) (2) (3) (4) (5)
A.1.19 Ventilation grilles (louvres) in door leaf
tested with ventilation grille
=
Smaller size Possible –
Larger size = possible providing the requirements of Annex B are Additional test single or double
fulfilled leaf doorset
otherwise
not possible without an additional test
A.1.20 Rebate (door leaves to frames) Add = Possible –
Add
A.1.21 Rebate (meeting edges) = Possible –
(one rebate)
A.1.22 Rebate (door leaves to frames) Remove = Possible –
A.1.23 Rebate (meeting edges) Remove = Possible –
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Influence of
variation on
Construction Parameter Variation Possibility of extension Additional Evidence Required
performance
characteristic
(1) (2) (3) (4) (5)
Additional test double for single
Possible in line with the following relationship: and double leaf doorsets or single
for single leaf doorsets.
tested with
tested tested with
a latch/lock
without a a latch/lock
but
latch/lock latched
unlatched
extension to:
Change in without a — Possible Not possible
A.1.24 Latched condition for single and double
latching = lock/latch
leaf doorsets
condition
extension to:
with
lock/latch but Possible — Not possible
unlocked/unl
atched
extension to:
with a Not
Not possible —
lock/latch, possible
latched
A.2 Size variations/single or multiple panel construction
A.2.1 Size (area, width, height) Decrease > Possible
Possible providing the requirements of Annex B are
Additional test double for single
fulfilled
A.2.2 Height Increase = and double leaf doorsets or single
otherwise
for single leaf doorsets
not possible without an additional test
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Influence of
variation on
Construction Parameter Variation Possibility of extension Additional Evidence Required
performance
characteristic
(1) (2) (3) (4) (5)
Possible by a maximum of 25 % providing that the Additional test double for single
A.2.3 Width Increase > = < requirements of Annex B are fulfilled otherwise not and double leaf doorsets or single
possible without an additional test for single leaf doorsets
Possible in line with A.2.2 and A.2.3
Additional test double for single
A.2.4 Area — Increase > = < otherwise and double leaf doorsets or single
for single leaf doorsets
not possible without an additional test
Possible providing the requirements of Annex B are
Additional test double for single
fulfilled and by a maximum of 25 %
A.2.5 Thickness of the door leaf Increase > = < and double leaf doorsets or single
otherwise
for single leaf doorsets
not possible without an additional test
Possible by a maximum of 25 %
Additional test double for single
A.2.6 Thickness of the door leaf Decrease > = < otherwise and double leaf doorsets or single
for single leaf doorsets
not possible without an additional test
A.3 Materials and constructions
Possible providing the requirements of Annex B are
Additional test double for single
fulfilled
A.3.1 Density of core material Increase = and double leaf doorsets or single
otherwise
for single leaf doorsets
not possible without an additional test
A.3.2 Density of core material Decrease = Possible –
possible providing the requirements of Annex B are Additional test double for single
A.3.3 Thickness of core material Increase = 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 Decrease = Possible –
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Influence of
variation on
Construction Parameter Variation Possibility of extension Additional Evidence Required
performance
characteristic
(1) (2) (3) (4) (5)
Increase number
A.3.5 Pattern of core material = Possible –
of pieces
Decrease
A.3.6 Pattern of core material = Possible
number of pieces
A.3.7 Number of layers of identical and/or
Increase = Possible –
different materials
A.3.8 Number of layers of identical and/or
Decrease = Possible –
different materials
Change of
supplier/manufa
cturer of
A.3.9 Type of core material (single thickness identical
= Possible
or in combination of different layers) material with
identical
composition and
properties
A.3.10 Type of core material (single thickness Alternative
= Possible –
or in combination of different layers) composition
2
Increase = Possible –
A.3.11 Amount of adhesive/m – organic based
2
A.3.12 Amount of adhesive/m — organic
Decrease = Possible –
based
2
A.3.13 Amount of adhesive/m — inorganic
Increase = Possible –
based
2
A.3.14 Amount of adhesive/m — inorganic
Decrease = possible
based
16
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oSIST prEN 17020-1:2016
prEN 17020-1:2016 (E)
Influence of
variation on
Construction Parameter Variation Possibility of extension A
...
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