SIST EN 12153:2023/oprA1:2026

• Abstract:

  This document defines the method to be used to determine the air permeability of curtain walling, both its fixed and openable parts. It describes how the specimen shall be tested under positive and negative air pressure.; This document applies to any curtain walling product as defined in EN 13830.

• Status: Not Published
• Public Enquiry End Date: 19-Nov-2026
• ICS: 91.060.10 - Walls. Partitions. Facades
• Technical Committee: ISTP - Doors and windows
• Current Stage: 4020 - Public enquire (PE) (Adopted Project)
• Start Date: 02-Oct-2026
• Due Date: 19-Feb-2027
• Ref Project: EN 12153:2023/prA1 - Curtain walling - Air permeability - Test method

• Amends: SIST EN 12153:2023 - Curtain walling - Air permeability - Test method
• Effective Date: 17-Jun-2026

SLOVENSKI STANDARD
01-november-2026
Obešene fasade - Prepustnost zraka - Preskusna metoda - Dopolnilo A1
Curtain walling - Air permeability - Test method
Vorhangfassaden - Luftdurchlässigkeit - Prüfverfahren
Façades rideaux - Perméabilité à l'air - Méthode d'essai
Ta slovenski standard je istoveten z: EN 12153:2023/prA1
ICS:
91.060.10 Stene. Predelne stene. Walls. Partitions. Facades
Fasade
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
EN 12153:2023
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
September 2026
ICS 91.060.10
English Version
Curtain walling - Air permeability - Test method
Façades rideaux - Perméabilité à l'air - Méthode d'essai Vorhangfassaden - Luftdurchlässigkeit - Prüfverfahren
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 33.

This draft amendment A1, if approved, will modify the European Standard EN 12153:2023. If this draft becomes an amendment,
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration.

This draft amendment 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, Türkiye 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
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12153:2023/prA1:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Modification to 3.7, openable joint length . 4
2 Modifications to 3.8, overall area . 4
3 Modifications to Clause 4, Symbols and abbreviations . 4
4 Modification to 7.2, Test preparation . 4
5 Modification to 7.3.1, General . 4
6 Modification to title of 7.3.2, Positive pressure test: fixed elements . 4
7 Modification to title of 7.3.3, Negative pressure test: fixed elements . 4
8 Modification to title of 7.3.4, Pressure test: openable elements . 5
9 Modification to 7.3.4, Pressure test: openable elements . 5
10 Modifications to 7.3.5, Expression of results . 5
11 Modification to key of Figure 3 . 6
12 Modification to title of Figure 3 . 6
European foreword
This document (EN 12153:2023/prA1:2026) 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.
In comparison with EN 12153:2023, the following modification has been made:
— Clause 3, terms and definitions 3.7 “openable joint length” and 3.8 “overall area” modified;
— Clause 4 “Symbols and abbreviation” modified;
— Clause 7.2 “Test preparation” modified;
— Clause 7.3.1 “General” modified;
— Clause 7.3.2 “Positive pressure test: fixed ele
...