SIST EN 15254-2:2009
(Main)Extended application of results from fire resistance tests - Non-loadbearing walls - Part 2: Masonry and Gypsum Blocks
Extended application of results from fire resistance tests - Non-loadbearing walls - Part 2: Masonry and Gypsum Blocks
This document provides guidance, and where appropriate defines procedures, for variations of products and element construction parameters related to the design of internal and external non-loadbearing walls made of clay units, calcium silicate units, aggregate concrete units, autoclaved aerated concrete units and gypsum blocks with different types of mortar that have been tested in accordance with EN 1364-1.
Manufactured stone masonry units according to EN 771-5 are not covered.
Erweiterter Anwendungsbereich der Ergebnisse aus Feuerwiderstandsprüfungen - Nichttragende Wände - Teil 2: Mauersteine und Gips-Wandbauplatten
Dieses Dokument enthält eine Anleitung für Änderungen von Produkten und Konstruktionsparametern, die die Bemessung von feuerwiderstandsfähigen, mit verschiedenen Mörtelarten hergestellten und nach EN 1364-1 geprüften Innen- und Außenwänden aus Mauerziegeln, Kalksandsteinen, Mauersteinen aus Beton, Porenbetonsteinen und Gips-Wandbauplatten betreffen. Weiterhin definiert dieses Dokument, sofern zutreffend, die entsprechenden Verfahren. Wände aus Betonwerksteinen nach EN 771-5 sind nicht Gegenstand dieser Norm.
Application étendue des résultats d'essais de résistance au feu - Murs non porteurs - Partie 2: Maçonnerie et carreaux de plâtre
Le présent document fournit des lignes directrices, et le cas échéant définit des modes opératoires,
concernant les variations de produits et les paramètres de construction d’éléments en rapport avec la
conception des murs intérieurs et extérieurs non porteurs constitués d’éléments en terre cuite, d’éléments
silico-calcaires, d’éléments en béton de granulats, d’éléments en béton cellulaire autoclavé et de carreaux de
plâtre avec différents types de mortier ayant été soumis à l’essai conformément à l’EN 1364-1.
Les éléments de maçonnerie en pierre reconstituée conformes à l’EN 771-5 ne sont pas couverts.
Razširjena uporaba rezultatov preskusov požarne odpornosti - Nenosilne stene - 2. del: Zidovje in bloki iz mavca
General Information
- Status
- Published
- Public Enquiry End Date
- 04-Apr-2009
- Publication Date
- 16-Nov-2009
- Technical Committee
- POZ - Požarna varnost
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 22-Oct-2009
- Due Date
- 27-Dec-2009
- Completion Date
- 17-Nov-2009
- Directive
- 89/106/EEC - Construction products
Overview
EN 15254-2:2009 - "Extended application of results from fire resistance tests - Non-loadbearing walls - Part 2: Masonry and Gypsum Blocks" (CEN) provides guidance and defined procedures for applying fire resistance test results (per EN 1364-1) to variations in products and construction parameters for internal and external non-loadbearing walls built from clay, calcium silicate, aggregate concrete, autoclaved aerated concrete units and gypsum blocks. Manufactured stone masonry units (EN 771-5) are excluded.
This standard enables the extended application of a reference fire test to similar wall constructions, helping avoid unnecessary re-testing while ensuring reliable fire resistance classification (EI, E, E‑W, EI‑M).
Key topics and technical requirements
- Scope and limitations:
- Applies only to the same type of material (e.g., clay unit results cannot be used for concrete units).
- Excludes manufactured stone (EN 771-5).
- Rules for units and geometry:
- Conditions for extrapolation based on unit type, percentage of voids, shell and web thickness, combined thickness, unit height/length/width, and wall thickness.
- Specific density and compressive strength ranges and rounding rules for using test results for other unit densities and strengths.
- Mortar and joint criteria:
- Guidance for mortar types (general purpose, thin-layer, lightweight) and for filled vs unfilled perpend joints.
- Test results are typically valid for mortars with equal or greater compressive strength than tested; lightweight mortar provisions are specified.
- Influence of finishes and connections:
- Consideration of plaster/render/external coverings and connection systems in extended application.
- Test data and measurements:
- Use of reference tests (EN 1364-1) and acceptable historic test data under defined conditions.
- Recommended additional measurements: mid-height deflection, gross dry density, compressive strength, moisture content, void percentage and thermocouple placement for future structural fire design calculations.
Applications and users
- Useful for:
- Fire safety engineers and structural designers applying fire resistance classifications to masonry or gypsum block partitions and façades.
- Manufacturers and product developers seeking to declare fire performance for product variants without full re-testing.
- Notified test laboratories and certification bodies evaluating extended application claims.
- Building authorities and spec writers verifying compliance with fire performance requirements.
- Practical value:
- Reduces cost/time by allowing justified extrapolation from a reference test.
- Provides transparent rules for when a new reference test is required.
Related standards
- EN 1364-1 (fire resistance tests for non‑loadbearing walls)
- EN 771-1 to EN 771-4 (masonry unit specifications)
- EN 12859 / EN 12860 (gypsum blocks and adhesives)
- EN 13501-2 (fire classification)
- EN 1996-1-2 (masonry - structural fire design)
Keywords: EN 15254-2:2009, fire resistance, non-loadbearing walls, masonry, gypsum blocks, EN 1364-1, extended application, mortar, fire testing.
Frequently Asked Questions
SIST EN 15254-2:2009 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Extended application of results from fire resistance tests - Non-loadbearing walls - Part 2: Masonry and Gypsum Blocks". This standard covers: This document provides guidance, and where appropriate defines procedures, for variations of products and element construction parameters related to the design of internal and external non-loadbearing walls made of clay units, calcium silicate units, aggregate concrete units, autoclaved aerated concrete units and gypsum blocks with different types of mortar that have been tested in accordance with EN 1364-1. Manufactured stone masonry units according to EN 771-5 are not covered.
This document provides guidance, and where appropriate defines procedures, for variations of products and element construction parameters related to the design of internal and external non-loadbearing walls made of clay units, calcium silicate units, aggregate concrete units, autoclaved aerated concrete units and gypsum blocks with different types of mortar that have been tested in accordance with EN 1364-1. Manufactured stone masonry units according to EN 771-5 are not covered.
SIST EN 15254-2:2009 is classified under the following ICS (International Classification for Standards) categories: 13.220.50 - Fire-resistance of building materials and elements; 91.060.10 - Walls. Partitions. Facades. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 15254-2:2009 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC; Standardization Mandates: M/117. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Razširjena uporaba rezultatov preskusov požarne odpornosti - Nenosilne stene - 2. del: Zidovje in bloki iz mavcaErweiterter Anwendungsbereich der Ergebnisse aus Feuerwiderstandsprüfungen - Nichttragende Wände - Teil 2: Mauersteine und Gips-WandbauplattenApplication étendue des résultats d'essais de résistance au feu - Murs non porteurs - Partie 2: Maçonnerie et carreaux de plâtreExtended application of results from fire resistance tests - Non-loadbearing walls - Part 2: Masonry and Gypsum Blocks91.060.10Stene. Predelne stene. FasadeWalls. Partitions. Facades13.220.50Požarna odpornost gradbenih materialov in elementovFire-resistance of building materials and elementsICS:Ta slovenski standard je istoveten z:EN 15254-2:2009SIST EN 15254-2:2009en,de01-december-2009SIST EN 15254-2:2009SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15254-2July 2009ICS 13.220.50 English VersionExtended application of results from fire resistance tests - Non-loadbearing walls - Part 2: Masonry and Gypsum BlocksApplication étendue des résultats d'essais de résistance aufeu - Murs non porteurs - Partie 2: Maçonnerie et carreauxde plâtreErweiterter Anwendungsbereich der Ergebnisse ausFeuerwiderstandsprüfungen - Nichttragende Wände - Teil2: Mauersteine und Gips-WandbauplattenThis European Standard was approved by CEN on 16 May 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15254-2:2009: ESIST EN 15254-2:2009
EN 771-4, Specification for masonry units — Part 4: Autoclaved aerated concrete masonry units EN 772-16, Methods of test for masonry units — Part 16: Determination of dimensions EN 998-1, Specification for mortar for masonry — Part 1: Rendering and plastering mortar EN 998-2, Specification for mortar for masonry — Part 2: Masonry mortar EN 1363-1, Fire resistance tests — Part 1: General requirements EN 1363-2, Fire resistance tests — Part 2: Alternative and additional procedures EN 1364-1, Fire resistance tests for non-loadbearing elements — Part 1: Walls EN 1996-1-1, Eurocode 6 — Design of masonry structures — Part 1-1: General rules for reinforced and unreinforced masonry structures EN 1996-1-2:2005, Eurocode 6 — Design of masonry structures — Part 1-2: General rules — Structural fire design EN 1996-3, Eurocode 6 — Design of masonry structures — Part 3: Simplified calculation methods for unreinforced masonry structures EN 12859, Gypsum blocks — Definitions, requirements and test methods EN 12860, Gypsum based adhesive for gypsum blocks — Definitions, requirements and test methods EN 13501-2, Fire classification of construction products and building elements — Part 2: Classification using data from fire resistance tests, excluding ventilation services EN 15318, Design and application of gypsum blocks SIST EN 15254-2:2009
3.2 historic test data test data generated by fire resistance tests that have been undertaken by an accredited and/or Notified Test Laboratory or by a laboratory officially recognised by national fire authorities in accordance with European and/or former and current national standards based on the temperature-time curve identical to the one specified in EN 1363-1 (and defined in ISO 834)
NOTE 1 Previously existing test data is acceptable even though the test may not have been carried out using the plate thermometer.
NOTE 2 This data may only be used as described in this European Standard. NOTE 3 Previously existing test data is acceptable provided that there has been no change to the product since this data was generated.
3.3 reference test fire resistance test in accordance with EN 1364-1, and where applicable EN 1363-2, on which the extended application is based and the results of which are used as the main source of data for the extended application 3.4 test result outcome of a testing process and its associated procedures detailed within a specific test standard (which may include some processing of the results from the testing of a number of specimens) NOTE A test result is expressed in terms of one or more fire performance parameter(s). 4 General principles 4.1 General (1) The fire resistance behaviour of masonry mainly depends on: masonry unit material - clay, calcium silicate, autoclaved aerated concrete, dense/lightweight aggregate concrete or gypsum; type of unit - solid or hollow (type of holes, percentage and direction of holes), shell and web thickness; dimensions of units, especially the height; gross density of units; strength of units; type of mortar - general purpose, thin layer or lightweight mortar; type of perpend joint – filled or unfilled perpend joint, especially for unplastered walls; use of finishes; SIST EN 15254-2:2009
(5) Whenever a parameter change goes beyond the limits defined in this document, a new reference test is needed. 4.2 Classifications In some cases there are different extended application rules given for the classifications EI, E and E-W respectively and for the classification EI-M as defined in EN 13501-2. 4.3 Additional information For the classification according to these extended application rules additional information on material properties and additional measurements during the test procedure according to EN 1363-1, EN 1364-1 and EN 1363-2 or historic standard national fire test methods are necessary: measurement of the deflection of the test specimen at least in mid height, to allow for an extrapolation for height, see 5.5 4; gross dry density, compressive strength and moisture content of the units (i.e. difference between density of the un
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