SIST EN 14135:2025
(Main)Covering - Determination of fire protection ability
Covering - Determination of fire protection ability
This document is applicable to all coverings, including but not limited to renderings, boards with and without air gaps and installed with various support systems. This document specifies a method for determining the ability of a covering to protect underlying materials against damage during a specified fire exposure.
The document is not used for the evaluation of fire resistance classifications (e.g. EI, EW, E) or reaction to fire classifications (specified in EN 13501-1).
The fire protection ability is influenced by the presence of combustible materials in the cavity behind the covering. The applicability of the results is limited according to the quantity and position of such combustible materials within that cavity.
NOTE The amount of combustible materials permissible in the cavity is generally laid down in national regulations.
Brandschutzbekleidungen - Bestimmung der Brandschutzwirkung
Dieses Dokument ist anwendbar bei allen Arten von Brandschutzbekleidung, einschließlich, aber nicht beschränkt auf Putze, Platten mit und ohne Luftspalt und eingebaut mithilfe verschiedener Unterkonstruktionen. Dieses Dokument legt ein Prüfverfahren zur Bestimmung der Fähigkeit einer Brandschutzbekleidung fest, die darunterliegenden Baustoffe gegen Schäden während einer definierten Brandbeanspruchung zu schützen.
Dieses Dokument ist nicht anwendbar für die Bewertung der Feuerwiderstandsklassifizierungen (z. B. EI, EW, E) oder die Reaktion auf die Klassifizierung von Bränden (festgelegt in EN 13501 1).
Die Brandschutzwirkung wird durch das Vorhandensein von brennbaren Baustoffen im Zwischenraum hinter der Brandschutzbekleidung beeinflusst. Die Anwendbarkeit der Ergebnisse ist je nach Quantität und Lage solcher brennbarer Baustoffe innerhalb dieses Zwischenraums begrenzt.
ANMERKUNG Die zulässige Menge brennbaren Baustoffs im Zwischenraum ist allgemein in nationalen Bestimmungen festgelegt.
Revêtements - Détermination de la capacité de protection contre l'incendie
Il s’applique à tous les revêtements, notamment aux enduits, aux panneaux avec ou sans lame d’air et installés avec divers systèmes support. Le présent document spécifie une méthode pour déterminer la capacité d’un revêtement à protéger les matériaux sous-jacents contre les dommages dans des conditions spécifiées d’exposition au feu.
Ce document n’est pas utilisé pour l’évaluation des classements de résistance au feu (par exemple EI, EW, E) ou des classements de réaction au feu (spécifiés dans l’EN 13501-1).
La capacité de protection contre l’incendie est influencée par la présence de matériaux combustibles dans la cavité derrière le revêtement. L’applicabilité des résultats est limitée en fonction de la quantité et de la position de ces matériaux combustibles dans la cavité.
NOTE La quantité de matériaux combustibles autorisée dans la cavité est généralement fixée par les réglementations nationales.
Prevleke - Ugotavljanje zmožnosti za požarno zaščito
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2025
Nadomešča:
SIST EN 14135:2004
Prevleke - Ugotavljanje zmožnosti za požarno zaščito
Covering - Determination of fire protection ability
Brandschutzbekleidungen - Bestimmung der Brandschutzwirkung
Revêtements - Détermination de la capacité de protection contre l'incendie
Ta slovenski standard je istoveten z: EN 14135:2025
ICS:
13.220.50 Požarna odpornost Fire-resistance of building
gradbenih materialov in materials and elements
elementov
91.060.99 Drugi stavbni elementi Other elements of buildings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 14135
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2025
EUROPÄISCHE NORM
ICS 13.220.50 Supersedes EN 14135:2004
English Version
Covering - Determination of fire protection ability
Revêtements - Détermination de la capacité de Brandschutzbekleidungen - Bestimmung der
protection contre l'incendie Brandschutzwirkung
This European Standard was approved by CEN on 25 August 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 14135:2025 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Test equipment . 10
4.1 General. 10
4.2 Furnace . 10
4.3 Supporting construction . 10
4.4 Thermocouples . 10
5 Test conditions . 10
6 Test specimen . 10
6.1 Size . 10
6.2 Design . 10
6.2.1 Joints . 10
6.2.2 Integrated installations . 11
6.3 Verification . 11
7 Installation of test specimen . 11
7.1 General. 11
7.2 Mounting and fixation of the covering . 11
7.3 Substrate . 13
7.3.1 Particle board substrate . 13
7.3.2 Thermoplastic substrate (EPS or XPS) . 13
7.3.3 Low density substrate . 14
7.3.4 Special substrate . 14
8 Conditioning . 14
9 Application of instrumentation . 14
9.1 Thermocouples . 14
9.1.1 Furnace thermocouples . 14
9.1.2 Thermocouples on the substrate . 14
9.2 Pressure . 25
10 Test procedure . 25
10.1 General. 25
10.2 Application of test specimen and measurements during the test . 25
10.3 Observations during the test . 25
10.4 Termination of the test . 25
10.4.1 Option 1: Temperature evaluated covering . 25
10.4.2 Option 2: Temperature and visually evaluated covering . 25
10.5 Observations after the test . 26
11 Performance criteria . 26
11.1 General. 26
11.2 Option 1: Temperature evaluated covering . 26
11.3 Option 2: Temperature and visually evaluated covering. 26
12 Test report . 27
13 Field of direct application of test results . 27
13.1 General . 27
13.2 Substrate . 27
13.3 Fixation . 28
13.4 Thickness of the covering . 30
13.5 Air gap . 30
13.6 Orientation . 30
13.7 Size . 31
13.8 Perforations . 31
13.9 Joints. 31
Bibliography . 32
European foreword
This document (EN 14135:2025) 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 March 2026, and conflicting national standards shall be
withdrawn at the latest by March 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 14135:2004.
— the criteria for K , an additional evaluation method and a vertical test has been included.
This document is used in conjunction with EN 1363-1.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
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.
Introduction
This document has been prepared to provide a method of test for assessing a coverings ability to protect
underlying materials against fire.
Fire protection ability K is the ability of a wall or ceiling covering, to provide for the material behind the
covering, protection against ignition, charring and other damage for a specified period of time. EN 13501-
2 describes and define the difference between K and K .
1 2
WARNING — The attention of all persons concerned with managing and carrying out this test is drawn
to the fact that fire testing can be hazardous and that there is a possibility that toxic and/or harmful
smoke and gases can be involved during the test. Operational hazards can also arise during the testing of
specimens and the disposal of test residues.
An assessment of all potential hazards and risks to health should be made and safety precautions should
be identified and provided. Written safety instructions should be issued. Appropriate training should be
given to relevant personnel. Laboratory personnel should ensure that they follow written safety
instructions at all
...
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