SIST EN ISO 2551:2026

SLOVENSKI STANDARD
01-junij-2026
Tekstilne talne obloge in tekstilne talne obloge v obliki ploščic - Ugotavljanje
dimenzijskih sprememb in izvijanja iz ravnine zaradi spreminjajočih se pogojev
vlage in toplote (ISO 2551:2020)
Textile floor coverings and textile floor coverings in tile form - Determination of
dimensional changes due to the effects of varied water and heat conditions and
distortion out of plane (ISO 2551:2020)
Textile Bodenbeläge und textile Bodenbeläge in Fliesenform - Bestimmung der
Maßänderung infolge der Wirkungen wechselnder Feuchte- und
Temperaturbedingungen und vertikale Flächenverformung (ISO 2551:2020)
Revêtements de sol textiles et revêtements de sol textiles sous forme de dalles -
Détermination des variations dimensionnelles dues aux effets de diverses conditions de
mouillage et de chaleur et de la déformation hors plan (ISO 2551:2020)
Ta slovenski standard je istoveten z: EN ISO 2551:2026
ICS:
97.150 Talne obloge Floor coverings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 2551
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2026
EUROPÄISCHE NORM
ICS 97.150
English Version
Textile floor coverings and textile floor coverings in tile
form - Determination of dimensional changes due to the
effects of varied water and heat conditions and distortion
out of plane (ISO 2551:2020)
Revêtements de sol textiles et revêtements de sol Textile Bodenbeläge und textile Bodenbeläge in
textiles sous forme de dalles - Détermination des Fliesenform - Bestimmung der Maßänderung infolge
variations dimensionnelles dues aux effets de diverses der Wirkungen wechselnder Feuchte- und
conditions de mouillage et de chaleur et de la Temperaturbedingungen und vertikale
déformation hors plan (ISO 2551:2020) Flächenverformung (ISO 2551:2020)
This European Standard was approved by CEN on 6 April 2026.

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
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 2551:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 2551:2020 has been prepared by Technical Committee ISO/TC 219 "Floor coverings” of
the International Organization for Standardization (ISO) and has been taken over as EN ISO 2551:2026
by Technical Committee CEN/TC 134 “Resilient, textile, laminate and modular mechanical locked floor
coverings” the secretariat of which is held by NBN.
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 October 2026, and conflicting national standards shall
be withdrawn at the latest by October 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.
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 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 2551:2020 has been approved by CEN as EN ISO 2551:2026 without any modification.

INTERNATIONAL ISO
STANDARD 2551
Second edition
2020-05
Textile floor coverings and textile floor
coverings in tile form — Determination
of dimensional changes due to the
effects of varied water and heat
conditions and distortion out of plane
Revêtements de sol textiles et revêtements de sol textiles sous forme
de dalles – Détermination de la variation des dimensions et de
l'incurvation due aux effets de diverses conditions de mouillage et
de chaleur
Reference number
ISO 2551:2020(E)
©
ISO 2020
ISO 2551:2020(E)
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii © ISO 2020 – All rights reserved

ISO 2551:2020(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Apparatus . 1
5 Sampling and preparation of specimens . 2
5.1 For textiles floor coverings . 2
5.1.1 Sampling. 2
5.1.2 Number and dimensions . 2
5.2 For tiles . 2
5.2.1 Tiles of dimensions ≤ 500 mm . 2
5.2.2 Tiles of dimensions > 500 mm . 2
6 Conditioning . 2
7 Test procedure . 3
7.1 Initial measurements for textile floor coverings . 3
7.1.1 Distortion out of plane . 3
7.1.2 Dimensional stability . 3
7.2 Initial measurements for tiles . 3
7.2.1 Distortion out of plane . 3
7.2.2 Dimensional stability . 3
7.3 Measurements for textile floor coverings and tiles subjected to varied water and
heat conditions . 3
8 Expression of results . 4
8.1 Dimensional stability . 4
8.2 Distortion out of plane . 4
9 Test report . 4
ISO 2551:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
com
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