Reaction to fire tests for floorings - Part 1: Determination of the burning behaviour using a radiant heat source (ISO 9239-1:2025)

This document specifies a method for assessing the wind-opposed burning behaviour and spread of flame of horizontally mounted floorings exposed to a heat flux radiant gradient in a test chamber, when ignited with pilot flames. Annex A gives details of assessing the smoke development, when required.
This method is applicable to all types of flooring, e.g. textile carpet, cork, wood, rubber and plastics coverings as well as coatings. Results obtained by this method reflect the reaction to fire performance of the flooring, including any substrate if used. Modifications of the backing, bonding to a substrate, underlay or other changes of the flooring can affect test results. It cannot be used alone to describe or appraise the fire hazard or fire risk of floorings under actual fire conditions.
Information on the precision of the test method is given in Annex B.

Prüfungen zum Brandverhalten von Bodenbelägen - Teil 1: Bestimmung des Brandverhaltens bei Beanspruchung mit einem Wärmestrahler (ISO 9239-1:2025)

Dieses Dokument beschreibt ein Verfahren zur Beurteilung des Brandverhaltens entgegen der Luftströmung sowie der Flammenausbreitung auf horizontal angeordneten Bodenbelägen, die in einer Prüfkammer einem Wärmestromgradienten ausgesetzt werden und dabei durch eine Zündflamme entzündet werden. Sofern eine Beurteilung der Rauchentwicklung erforderlich ist, sind Einzelheiten hierzu Anhang A zu entnehmen.
Dieses Prüfverfahren gilt für alle Bodenbeläge, wie z. B. textile Bodenbeläge, Kork, Holz, Gummi und Kunststoffbeläge, sowie für Beschichtungen. Die mit diesem Prüfverfahren erzielten Ergebnisse zeigen das Verhalten bei Brandeinwirkung des gesamten geprüften Bodenbelags einschließlich einer etwaigen Trägerplatte. Änderungen des Bodenbelagrückens, der Verklebung mit der Trägerplatte, der Unterlagsschicht oder andere Änderungen des Bodenbelags können die Prüfergebnisse beeinflussen. Sie kann nicht allein dazu benutzt werden, die Brandgefahr bzw. das Brandrisiko von Bodenbelägen unter realen Brandbedingungen zu beschreiben oder zu bewerten.
Anhang B enthält Angaben zur Präzision des Prüfverfahrens.

Essais de réaction au feu des revêtements de sol - Partie 1: Détermination du comportement au feu à l'aide d'une source de chaleur rayonnante (ISO 9239-1:2025)

Le présent document prescrit une méthode d’évaluation du comportement au feu opposé au vent et de la propagation de flamme de revêtements de sol montés horizontalement et exposés à un gradient de densité de flux de chaleur dans une chambre d’essai, lorsqu’ils sont allumés avec des flammes pilotes. L’Annexe A fournit des détails sur l’évaluation du développement de la fumée, lorsque cela est exigé.
La présente méthode s’applique à tous les types de revêtements de sol, comme la moquette textile, le liège, le bois et les revêtements en caoutchouc et en plastique ainsi que les enduits. Les résultats obtenus par la présente méthode reflètent les performances de réaction au feu du revêtement de sol, y compris son substrat, le cas échéant. Les résultats d’essai peuvent être affectés par des modifications apportées au support, au collage sur un substrat, à la sous-couche ou par d’autres changements du revêtement de sol. Elle ne peut pas être utilisée seule pour décrire ou évaluer les dangers ou le risque d’incendie des revêtements de sol dans des conditions réelles d’incendie.
L’Annexe B fournit des informations sur la fidélité de la méthode d’essai.

Preskusi odziva talnih oblog na ogenj - 1. del: Ugotavljanje obnašanja pri gorenju z uporabo sevalnega vira toplote (ISO 9239-1:2025)

General Information

Status
Published
Public Enquiry End Date
30-May-2024
Publication Date
20-Jul-2025
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
18-Jul-2025
Due Date
22-Sep-2025
Completion Date
21-Jul-2025

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SLOVENSKI STANDARD
01-september-2025
Nadomešča:
SIST EN ISO 9239-1:2010
Preskusi odziva talnih oblog na ogenj - 1. del: Ugotavljanje obnašanja pri gorenju
z uporabo sevalnega vira toplote (ISO 9239-1:2025)
Reaction to fire tests for floorings - Part 1: Determination of the burning behaviour using
a radiant heat source (ISO 9239-1:2025)
Prüfungen zum Brandverhalten von Bodenbelägen - Teil 1: Bestimmung des
Brandverhaltens bei Beanspruchung mit einem Wärmestrahler (ISO 9239-1:2025)
Essais de réaction au feu des revêtements de sol - Partie 1: Détermination du
comportement au feu à l'aide d'une source de chaleur rayonnante (ISO 9239-1:2025)
Ta slovenski standard je istoveten z: EN ISO 9239-1:2025
ICS:
13.220.40 Sposobnost vžiga in Ignitability and burning
obnašanje materialov in behaviour of materials and
proizvodov pri gorenju products
97.150 Talne obloge Floor coverings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 9239-1
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2025
EUROPÄISCHE NORM
ICS 13.220.40; 97.150 Supersedes EN ISO 9239-1:2010
English Version
Reaction to fire tests for floorings - Part 1: Determination
of the burning behaviour using a radiant heat source (ISO
9239-1:2025)
Essais de réaction au feu des revêtements de sol - Prüfungen zum Brandverhalten von Bodenbelägen -
Partie 1: Détermination du comportement au feu à Teil 1: Bestimmung des Brandverhaltens bei
l'aide d'une source de chaleur rayonnante (ISO 9239- Beanspruchung mit einem Wärmestrahler (ISO 9239-
1:2025) 1:2025)
This European Standard was approved by CEN on 29 June 2025.

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
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9239-1:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 9239-1:2025) has been prepared by Technical Committee ISO/TC 92 "Fire
safety " in collaboration with 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 January 2026, and conflicting national standards shall
be withdrawn at the latest by January 2026.
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 supersedes EN ISO 9239-1:2010.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations 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.
Endorsement notice
The text of ISO 9239-1:2025 has been approved by CEN as EN ISO 9239-1:2025 without any
modification.
International
Standard
ISO 9239-1
Fourth edition
Reaction to fire tests for floorings —
2025-06
Part 1:
Determination of the burning
behaviour using a radiant heat source
Essais de réaction au feu des revêtements de sol —
Partie 1: Détermination du comportement au feu à l'aide d'une
source de chaleur rayonnante
Reference number
ISO 9239-1:2025(en) © ISO 2025

ISO 9239-1:2025(en)
© ISO 2025
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 9239-1:2025(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Principle . 3
5 Apparatus . 3
5.1 General .3
5.2 Test chamber .3
5.3 Specimen holder .3
5.4 Sliding platform .3
5.5 Steel scale .4
5.6 Gas-fired radiant panel .4
5.7 Pilot burner.4
5.8 Exhaust system .4
5.9 Anemometer .4
5.10 Radiation pyrometer .4
5.11 Thermocouples .5
5.12 Heat flux meter .5
5.13 Dummy specimen.5
5.14 Recording equipment .5
5.15 Timing device .5
5.16 Smoke measurements .5
6 Test specimens . 5
6.1 General and number .5
6.2 Substrates .6
6.3 Adhesives .6
6.4 Underlay .6
6.5 Tiles .6
6.6 Loose laid flooring . .6
6.7 Washing and cleaning.6
6.8 Formal test .6
7 Conditioning . 7
8 Test procedure . 7
8.1 Calibration procedure .7
8.2 Standard test procedure .8
9 Expression of results . 9
10 Test report .
...

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