EN 491:2011

SLOVENSKI STANDARD
01-november-2011
1DGRPHãþD
SIST EN 491:2005
SIST EN 491:2005/AC:2006
Betonski strešniki in fazonski kosi za prekrivanje streh in oblaganje sten -
Preskusne metode
Concrete roofing tiles and fittings for roof covering and wall cladding - Test methods
Dach- und Formsteine aus Beton für Dächer und Wandbekleidungen - Prüfverfahren
Tuiles et accessoires en béton pour couverture et bardage - Méthodes d'essais
Ta slovenski standard je istoveten z: EN 491:2011
ICS:
91.100.30 Beton in betonski izdelki Concrete and concrete
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 491
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2011
ICS 91.100.30 Supersedes EN 491:2004
English Version
Concrete roofing tiles and fittings for roof covering and wall
cladding - Test methods
Tuiles et accessoires en béton pour couverture et bardage - Dach- und Formsteine aus Beton für Dächer und
Méthodes d'essais Wandbekleidungen - Prüfverfahren
This European Standard was approved by CEN on 4 August 2011.

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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 491:2011: E
worldwide for CEN national Members.

Contents Page
Foreword .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .5
4 Symbols and abbreviations .5
5 Test methods .5
5.1 General .5
5.2 Hanging length and squareness of regular front edge tiles .6
5.2.1 Principle .6
5.2.2 Apparatus .6
5.2.3 Procedure .7
5.2.4 Expression of results .7
5.2.5 Test report .7
5.3 Cover width .7
5.3.1 Principle .7
5.3.2 Apparatus .8
5.3.3 Procedure .8
5.3.4 Expression of results .9
5.3.5 Test report .9
5.4 Flatness .9
5.4.1 Principle .9
5.4.2 Apparatus .9
5.4.3 Procedure . 10
5.4.4 Expression of results . 11
5.4.5 Test report . 11
5.5 Mass . 11
5.5.1 Principle . 11
5.5.2 Apparatus . 11
5.5.3 Conditioning . 11
5.5.4 Procedure . 11
5.5.5 Expression of results . 11
5.5.6 Test report . 11
5.6 Mechanical resistance (transverse strength) . 11
5.6.1 Principle . 11
5.6.2 Apparatus . 12
5.6.3 Conditioning of tiles . 12
5.6.4 Procedure . 13
5.6.5 Recording of test results . 15
5.6.6 Test report . 15
5.7 Water impermeability . 15
5.7.1 Principle . 15
5.7.2 Apparatus and materials . 15
5.7.3 Conditioning . 16
5.7.4 Procedure . 17
5.7.5 Expression of results . 17
5.7.6 Test report . 17
5.8 Freeze-thaw resistance . 17
5.8.1 Principle . 17
5.8.2 Apparatus . 17
5.8.3 Preparation of test samples . 17
5.8.4 Procedure . 18
5.8.5 Expression of results . 18
5.8.6 Test report . 19
5.9 Nib support . 19
5.9.1 Principle. 19
5.9.2 Apparatus . 19
5.9.3 Procedure . 19
5.9.4 Expression of results . 19
5.9.5 Test report . 19
5.10 Reaction to fire performance in accordance with EN 13823 . 21
5.10.1 Principle. 21
5.10.2 Test specimen assembly . 21
5.10.3 Laying the tiles in the test specimen assembly . 21
5.10.4 Closing the gaps in tile specimens between the two wings . 22
Bibliography . 27

Foreword
This document (EN 491:2011) has been prepared by Technical Committee CEN/TC 128 “Roof covering
products for discontinuous laying and products for wall cladding”, 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 March 2012, and conflicting national standards shall be withdrawn at
the latest by March 2012.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 491:2004.
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, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
1 Scope
This European Standard specifies test methods for concrete roofing tiles and fittings conforming to EN 490, for
assembly into pitched roof covering or external wall cladding or internal wall lining cladding.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (
...