Slate and stone for discontinuous roofing and external cladding - Part 3: Specifications for schist and schistose stones

This European standard specifies the performance requirements and corresponding test methods for roofing slate products of schist and schistose stone types as defined in 3.2 and 3.3 and uses for assembly into discontinuous roofing.
This European standard provides also for the evaluation of conformity and for marking of the roofing slate products.
This European standard covers als characteristics that are of importance to the trade.
This European standard does not cover roofing slate and carboante slate, for mhich EN 12326-1 and EN 12326-2 applies. It does not cover treated roofing slates, for which prEN 12326-4 applies.
This European Standard is not apllicable to bonded cladding (cladding fixed with adhesives) and cladding fixed with dowels and cramps. In these cases EN 1469 applies.
The performance of a roof or wall constructed with these products depends not only on the properties of the product as required by this document, but also on the design, construction and performance of the roof or wall as a whole in relation to the environment and conditions in use. This standard does not cover installation or construction specific requirements.

Schiefer und Naturstein für überlappende Dachdeckungen und Außenwandbekleidungen - Teil 3: Anforderungen für Schiefer und schistose Natursteinarten

Dieses Dokument legt die Merkmale von Schiefer und schistosen Natursteinen (siehe 3.1) fest, die für den Einbau in überlappende Dachdeckungen und Außenwandbekleidungen vorgesehen sind.
Dieses Dokument legt Verfahren zur Bewertung und Überprüfung der Leistungsbeständigkeit (AVCP) der Merkmale von Schiefer und schistosen Natursteinen fest.
Dieses Dokument gilt nicht für:
-   Schiefer- und carbonathaltige Schieferprodukte (siehe EN 12326-1:2014 und EN 12326 -2:2011);
-   Schiefer- und schistose Produkte, die als Wandbekleidung verwendet werden, die entweder mit Klebstoff verklebt oder mit Ankerdornen und Klammern befestigt werden (siehe EN 1469:2015);
-   behandelte Produkte;
-   installations- oder konstruktionsspezifische Anforderungen.

Ardoises et pierres pour toiture et bardage extérieur pour pose en discontinu - Partie 3 : Spécifications pour schiste et pierres schisteuses

Le présent document spécifie les caractéristiques du schiste et des pierres schisteuses (voir 3.1) destinés à être utilisés pour l'assemblage en toiture et bardage extérieur pour pose en discontinu.
Le présent document spécifie les procédures d'évaluation et de vérification de la constance des performances (EVCP) des caractéristiques du schiste et des pierres schisteuses.
Le présent document ne couvre pas ce qui suit :
-   les produits en ardoise et ardoise carbonatée (voir l'EN 12326-1:2014 et l'EN 12326-2:2011) ;
-   les produits en schiste et schisteux utilisés comme bardage, fixés à l'aide d'un adhésif ou fixés par des goujons et des crampons (voir l'EN 1469:2015) ;
-   les produits traités ;
-   les exigences spécifiques à l'installation ou à la construction.

Skrilavec in naravni kamen za pokrivanje streh in oblaganje zunanjih zidov - 3. del: Specifikacije za skrilavce in skrilaste naravne kamne

General Information

Status
Not Published
Public Enquiry End Date
30-Jul-2021
Technical Committee
Current Stage
98 - Abandoned project (Adopted Project)
Start Date
15-May-2024
Due Date
20-May-2024
Completion Date
15-May-2024

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Standards Content (Sample)


SLOVENSKI STANDARD
01-julij-2021
Skrilavec in naravni kamen za pokrivanje streh in oblaganje zunanjih zidov - 3. del:
Specifikacije za skrilavce in skrilaste naravne kamne
Slate and stone for discontinuous roofing and external cladding - Part 3: Specifications
for schist and schistose stones
Schiefer und Naturstein für überlappende Dachdeckungen und Außenwandbekleidungen
- Teil 3: Anforderungen für Schiefer und schistose Natursteinarten
Ardoises et pierres pour toiture et bardage extérieur pour pose en discontinu - Partie 3 :
Spécifications pour schiste et pierres schisteuses
Ta slovenski standard je istoveten z: prEN 12326-3
ICS:
91.060.10 Stene. Predelne stene. Walls. Partitions. Facades
Fasade
91.060.20 Strehe Roofs
91.100.15 Mineralni materiali in izdelki Mineral materials and
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2021
ICS 91.100.15
English Version
Slate and stone for discontinuous roofing and external
cladding - Part 3: Specifications for schist and schistose
stones
Schiefer und schistose Natursteinarten für
überlappende Dachdeckungen - Anforderungen und
Prüfverfahren
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 128.
If this draft becomes a European Standard, 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.

This draft European Standard 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, Turkey 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12326-3:2021 E
worldwide for CEN national Members.

prEN 12326:3:2021 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Characteristics . 9
4.1 Dimensional variation . 9
4.2 Water permeability . 9
4.3 Mechanical resistance . 9
4.4 Durability against freeze–thaw . 9
4.5 Durability against thermal cycles . 10
4.6 Reaction to fire. 10
4.7 External fire performance . 10
4.8 Release of dangerous substances . 10
5 Testing, assessment and sampling methods . 10
5.1 Dimensional variation . 10
5.1.1 General. 10
5.1.2 Nominal and individual thickness . 11
5.1.3 Length and width, rectangularity and flatness . 11
5.1.4 Format of irregular stones and special shaped products . 11
5.2 Water permeability . 11
5.3 Mechanical resistance . 12
5.4 Durability against freeze–thaw . 12
5.5 Durability against thermal cycles . 12
5.6 Reaction to fire. 13
5.7 External fire performance . 13
5.8 Release of dangerous substances . 13
6 Assessment and verification of constancy of performance – AVCP . 13
6.1 General. 13
6.2 Assessment of performance . 13
6.2.1 General. 13
6.2.2 Test samples, testing and assessment criteria . 14
6.3 Verification of constancy of performance . 15
6.3.1 Factory production control (FPC) . 15
7 Product designation . 17
7.1 Classification. 17
7.2 Denomination. 18
7.3 Petrographic description . 18
7.4 Appearance . 18
7.4.1 General. 18
7.4.2 Reference sample, visual inspection and acceptance criteria . 18
7.5 Typical formats for roofing stones . 18
8 Marking, labelling and packaging . 19
Annex A (normative) Sampling procedures . 21
A.1 General . 21
A.2 Principles of sampling . 21
A.3 Taking bulk samples . 21
A.4 Sampling and a sampling plan . 21
A.5 Sampling apparatus and methods . 22
A.5.1 General . 22
A.5.2 Sampling from quarries (solid rock) . 22
A.5.3 Sampling from production plants, consignments etc . 22
A.6 Marking, packaging and dispatch of the samples . 22
A.7 Sampling report . 23
Annex B (normative) Statistical evaluation . 24
B.1 Scope . 24
B.2 Symbols and definitions . 24
B.3 Calculation of Lower Expected Value . 25
B.4 Calculation of Higher Expected Value . 25
B.5 Student t-test . 26
Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No 305/2011
............................................................................................................................................................................. 28
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 29
ZA.3 Assignment of AVCP tasks . 29
Bibliography . 31

European foreword
This document (prEN 12326-3:2021) 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 document is currently submitted to the CEN Enquiry.
This document has been prepared under two standardization requests to CEN by the European
Commission and the European Free Trade Association.
For relationship with Regulation (EU) No. 305/2011 on construction products (CPR), see informative
Annex ZA, which is an integral part of this document.
This document prEN 12326-3 is one of a series of standards for specification of roofing slate products
which includes the following:
— EN 12326-1:2014, Slate and stone for discontinuous roofing and external cladding — Part 1:
Specifications for slate and carbonate slate
— EN 12326-2:2011, Slate and stone for discontinuous roofing and external cladding — Part 2: Methods
of test for slate and carbonate slate
EN 12326-1 and this document are product standards, while EN 12326-2 is the standard that specifies
test methods that are applicable for both product standards.

Intro
...

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