SIST EN 12058:2004
(Main)Natural stone products - Slabs for floors and stairs - Requirements
Natural stone products - Slabs for floors and stairs - Requirements
This document specifies requirements for flat natural stone slabs fabricated for use as floor and stair coverings. It does not cover mineral aggregates and artificial agglomerated stone material and does not cover installation..
Natursteinprodukte - Bodenplatten und Stufenbeläge - Anforderungen
Diese Europäische Norm legt Anforderungen an glatte Platten aus Naturstein fest, die für den Einsatz als Belag für Fußböden und Treppenstufen hergestellt werden. Nicht erfasst werden mineralische Gesteinskörnungen und künstlich hergestelltes Gesteinsmaterial sowie die Verlegung.
Produits en pierre naturelle - Dalles de revetement de sols et d'escaliers - Exigences
Cette norme européenne spécifie les exigences concernant les dalles de pierre naturelle qui servent a réaliser les produits utilisés en revetements de sols, d'escaliers et rebords de fenetres dans les constructions. Elle ne s'applique ni aux agrégats ni aux produits reconstitués et ne concerne pas la pose.
Naravni kamen - Plošče za tlake in stopnice - Zahteve
Dokument specificira zahteve za plošče iz naravnega kamna, ki so namenjene za polaganje tlakov in stopnic. standard posebej ne opredeljuje mineralnih agregatov in umetnih kamnov ter tudi ne načina polaganja.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Natural stone products - Slabs for floors and stairs - RequirementsProduits en pierre naturelle - Dalles de revetement de sols et d'escaliers - ExigencesNatursteinprodukte - Bodenplatten und Stufenbeläge - AnforderungenTa slovenski standard je istoveten z:EN 12058:2004SIST EN 12058:2004en91.100.15ICS:SLOVENSKI
STANDARDSIST EN 12058:200401-december-2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12058October 2004ICS 91.100.15English versionNatural stone products - Slabs for floors and stairs -RequirementsProduits en pierre naturelle - Dalles de revêtement de solset d'escaliers - ExigencesNatursteinprodukte - Bodenplatten und Stufenbeläge -AnforderungenThis European Standard was approved by CEN on 9 July 2004.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 Central Secretariat 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 Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12058:2004: E
EN 12058:2004 (E) 2 Contents page Foreword.4 1 Scope.5 2 Normative references.5 3 Terms and definitions.6 4 Requirements.7 4.1 Requirements for geometric characteristics.7 4.1.1 General.7 4.1.2 Requirements for thickness.7 4.1.3 Requirements for flatness.8 4.1.4 Requirements for length and width.8 4.1.5 Requirements for angles and special shapes.8 4.1.6 Commercial sizes of slabs for floors and stairs.9 4.1.7 Requirements for surface finish.9 4.2 Requirements of natural stone for floors and stairs.10 4.2.1 General.10 4.2.2 Denomination.10 4.2.3 Visual appearance.10 4.2.4 Flexural strength.12 4.2.5 Bond strength adhesion.12 4.2.6 Water absorption at atmospheric pressure.13 4.2.7 Reaction to fire.13 4.2.8 Water absorption by capillarity.13 4.2.9 Apparent density and open porosity.13 4.2.10 Frost resistance.13 4.2.11 Thermal shock resistance.14 4.2.12 Water vapour permeability.14 4.2.13 Abrasion resistance.14 4.2.14 Slipperiness behaviour.14 4.2.15 Tactility.14 5 Marking and packaging.15 6 Evaluation of conformity.15 6.1 General rules.15 6.2 Initial type testing.15 6.3 Factory production control.16 Annex A (normative)
Sampling.19 A.1 General.19 A.2 Principles of sampling.19 A.3 Taking bulk samples.19 A.4 Preparing a sampling plan.19 A.5 Sampling apparatus.20 A.6 Sampling methods.20 A.6.1 General.20 A.6.2 Sampling from quarries.20 A.6.3 Sampling from plants.21 A.6.4 Sampling from buildings.21 A.7 Marking, packaging and dispatch of the samples.21 A.8 Sampling report.21
EN 12058:2004 (E) 3 Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive.23 ZA.1 Scope and relevant characteristics.23 ZA.2 Procedures for the attestation of conformity.26 ZA.3 CE marking and labelling.27 ZA.3.1 CE marking.27 ZA.3.2 Reference model for marking and labelling.27 ZA.4 EC Declaration of conformity.29 Bibliography.30
EN 12058:2004 (E) 4 Foreword This document (EN 12058:2004) has been prepared by Technical Committee CEN/TC 246 “Natural stones”, the secretariat of which is held by UNI. 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 April 2005, and conflicting national standards shall be withdrawn at the latest by July
2006. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This document is one of a series of standards for specifications of natural stone products which includes the following: EN 1467, Natural stone - Rough blocks - Requirements EN 1468, Natural stone - Rough slabs - Requirements prEN 1469, Natural stone products – Slabs for cladding - Requirements EN 12057, Natural stone products - Modular tiles - Requirements. EN 12058, Natural stone products - Slabs for floors and stairs - Requirements. prEN 12059, Natural stone products - Dimensional stone work - Requirements. Other standards on natural stone are produced by: CEN/TC 178 Paving units and kerbs EN 1341, Slabs of natural stone for external paving - Requirements and test methods. EN 1342, Setts of natural stone for external paving - Requirements and test methods. EN 1343, Kerbs of natural stone for external paving - Requirements and test methods. CEN/TC 128 Roof covering products for discontinuous laying and products for wall cladding EN 12326-2, Slate and stone products for discontinuous roofing and cladding - Part 2: Methods of test. EN 12326-1, Slate and stone products for discontinuous roofing and cladding - Part 1: Product specification. CEN/TC 125 Masonry EN 771-6, Specification for masonry units - Part 6: Natural stone masonry units. Other standards are relevant to aggregates for concrete, roads, railways and armourstone (under study within CEN/TC 154). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EN 12058:2004 (E) 5
1 Scope This document specifies requirements for flat natural stone slabs fabricated for use as floor and stair coverings. It does not cover mineral aggregates and artificial agglomerated stone material and does not cover installation. 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 (including any amendments) applies. EN 1925, Natural stone test methods - Determination of water absorption coefficient by capillarity. EN 1936, Natural stone test methods - Determination of real density and apparent density and of total and open porosity. EN 12371, Natural stone test methods - Determination of frost resistance. EN 12372, Natural stone test methods - Determination of flexural strength under concentrated load. EN 12407, Natural stone test methods - Petrographic examination. EN 12440, Natural stone - Denomination criteria. EN 12524, Building materials and products - Hygrothermal properties - Tabulated design values. EN 12670:2001, Natural stone - Terminology. EN 13161, Natural stone test methods - Determination of flexural strength under constant moment. EN 13373, Natural stone test methods - Determination of geometric characteristics on units. EN 13501-1, Fire classification of construction products and building elements - Part 1: Classification using test data from reaction to fire tests. EN 13755, Natural stone test methods - Determination of water absorption at atmospheric pressure. EN 14157, Natural stone test methods - Determination of the abrasion resistance. EN 14066, Natural stone test methods - Determination of resistance to ageing by thermal shock. EN 14231, Natural stone test methods - Determination of the slip resistance by means of the pendulum tester. EN ISO 12572, Hygrothermal performance of building materials and products - Determination of water vapour transmission properties (ISO 12572:2001). NOTE Besides the documents for test methods mentioned in this Clause, there exist further documents which can be used for scientific examinations, but which are not relevant for the application in practice according to this document.
EN 12058:2004 (E) 6 3 Terms and definitions For the purpose of this document, the terms and definitions given in EN 12670:2001 and the following apply. 3.1 slab for floors flat piece of natural stone obtained by cutting or splitting at a nominal thickness >12 mm. It is laid on to a structure by means of mortar, adhesives or other supporting elements NOTE
Mortar as defined in EN 998-1. Adhesives as defined in EN 12004. 3.1.1 skirting flat piece of natural stone obtained by cutting or splitting at a nominal thickness > 12 mm. It is laid on each wall surrounding a flooring and in contact with it 3.2 slab for stairs flat piece of natural stone obtained by cutting or splitting at a nominal thickness >12 mm (except risers) to form the horizontal part of a stair step (tread) or the vertical part of a stair step (riser)
Figure 1 – Dimensions of slabs for floors
3.3 dimensions of slabs for floors and stairs
3.3.1 length l, width b and thickness d are the dimensions of a slab for floors. The dimensions are given in the stated sequence in millimetres (see Figure 1) 3.3.2 length l, width b and thickness d are the dimensions of a slab for stairs, separated for treads and risers. The dimensions are given in the stated sequence in millimetres (see Figure 2)
EN 12058:2004 (E) 7
Key 1
Tread 2
Riser Figure 2 – Dimensions of slabs for stairs 4 Requirements 4.1 Requirements for geometric characteristics 4.1.1 General All measurements shall be carried out in accordance with EN 13373 and all measured values of individual units shall fall within the required tolerances. 4.1.2 Requirements for thickness The thickness shall not deviate from the nominal thickness by more than given in Table 1. Table 1 – Tolerances on the nominal thickness Nominal thickness
in mm Tolerance More than 12 Up to and including 15 ± 1,5 mm More than 15 Up to and including 30 ± 10 % More than 30 Up to and including 80 ± 3 mm More than 80 ± 5 mm
Stricter tolerances may be declared by the manufacturer.
EN 12058:2004 (E) 8 NOTE If the slab is to be fixed by adhesives or a thin mortar bed, stricter tolerances may be needed. The required thickness of slabs for floors and stairs shall result from a structural analysis or similar procedure which takes into account the technical and physical properties of the stone and the intended application. Visible edges shall be gauged. For natural cleft/riven faces, Table 1 does not apply and the tolerances shall be declared by manufacturer. 4.1.3 Requirements for flatness The deviation from flatness of the surface (except for natural cleft faces) shall not exceed 0,2 % of the slab length, and shall not exceed 3 mm. For natural cleft faces, the tolerance on flatness shall be declared by the manufacturer. 4.1.4 Requirements for length and width The length or width shall not deviate from the nominal size by more than given in Table 2. Table 2 – Tolerances on length and width Nominal length or width in mm < 600 ≥ 600 Sawn edges thickness ≤ 50 mm ± 1 mm ± 1,5 mm Sawn edges thickness > 50 mm ± 2 mm ± 3 mm
Stricter tolerances may be declared by the manufacturer. 4.1.5 Requirements for angles and special shapes The permissible tolerance at any point shall be as stated in Table 2 (see Figure 3). Each slab angle shall be in accordance with the agreed geometry. Pieces of special or irregular shape shall be checked for compliance with the required shape by use of a suitable template, the permissible tolerance at any point shall be as stated in Table 2 (see Figure 3). Stricter tolerances may be declared by the manufacturer.
EN 12058:2004 (E) 9 Dimensions are in millimetres
Key 1
Nominal size 2
The slab sides shall fall within the two dotted lines indicating the tolerances of length and width according to
Table 2 Figure 3 – Example of tolerances on angles 4.1.6 Commercial sizes of slabs for floors and stairs Commercial sizes shall be based on the area of the smallest possible circumscribed rectangle measured in square metres accurate to two decimal places. 4.1.7 Requirements for surface finish 4.1.7.1 General Surface finishes shall be carried out uniformly to the edges of the slabs for floors and stairs. The surface finishing of some types of stones may typically involve the use of patching, fillers or adhesives for natural holes, faults or cracks; this is to be considered as part of the normal processing. In such cases the type of treatment as well as the type and nature of additional materials shall be declared. 4.1.7.2 Requirements for surfaces after surface finishing Surfaces shall have a regular appearance as a function of the finishing process and shall be worked to meet the specified finish on all exposed surfaces (e.g. making reference to samples, see 4.2.3), agreed in accordance with samples submitted and agreed beforehand between the purchaser and supplier. NOTE 1 Surfaces obtained by grinding are, for example: – rough ground surfaces obtained, e.g. by means of a grinding disk of grain size F 60; – medium ground surfaces obtained, e.g. by means of a grinding disk of grain size F 120; – fine ground surfaces obtained, e.g. by means of a grinding disk of grain size F 220; – matt finished surfaces obtained, e.g. by means of a
grinding disk with grain size F 400; – highly polished surfaces obtained, e.g. by means of a polishing disk or felt. NOTE 2 Surfaces obtained by means of percussion tools are, for example: – bush hammered surfaces (see EN 12670:2001, 2.3.8)*;
EN 12058:2004 (E) 10 – trimmed surfaces: finish obtained by using a pointed chisel and mallet or a grooving machine; – striated surfaces: finish obtained by using a claw chisel (percussion tool for roughening a surface, with the cutting edge consisting of several teeth of various size) or a ruling machine. NOTE 3 Surfaces obtained by other finishing operations are, for example: – flamed finish (see EN 12670:2001, 2.3.22)**; – sand blasted finish (see EN 12670:2001, 2.3.46)***; – water jet streamed finish: a matt textured surface finish, accomplished by exposing the surface to a jet of water under pressure; – machine tooled finish (see EN 12670:2001, 2.3.54)****; – riven cut finish: rugged surface produced by splitting stone with a guillotine or chisel. * finish obtained by using a bush hammer (percussion tool for roughening a surface, with a square head and with few pyramidal percussion teeth or points) or a bush hammering machine (machine consisting of feed rolls and a overhanging beam, supporting a pneumatic bush hammer). ** surface texture obtained by thermal treatment of the stone using a high temperature flame. *** a matt finishing resulting from the impact of the sand or other abrasive grains expelled by a sand jet. **** this term has two different meanings: 1) finish resulting from a mechanical surface treatment with tools; 2) dressed finish clearly showing tool marks. 4.2 Requirements of natural stone for floors and stairs 4.2.1 General Due to the natural variations of the stone materials, deviations from the declared values may occur. Whenever stone processing is likely to change the characteristics of the initial material (e.g. as a consequence of the type of processing or because the use of patching, fillers or other similar products for natural holes, faults, cracks and similar), then this has to be considered when determining the characteristics requested by this document. The following characteristics shall be declared where requested by this document or with reference to the intended use conditions. 4.2.2 Denomination The denomination shall always be declared in accordance with EN 12440 (meaning traditional name, petrological family, typical colour and place of origin). The petrographic name shall be declared in accordance with EN 12407. 4.2.3 Visual appearance 4.2.3.1 General This characteristic shall always be declared. The colour, veining, texture, etc. of the stone shall be identified visually, typically by a reference sample of the same stone suitable for providing a general description of visual appearance.
EN 12058:2004 (E) 11 The reference sample shall be provided by the supplier. 4.2.3.2 Reference sample, visual inspection and acceptance criteria A reference sample shall be an adequate number of pieces of natural stone of sufficient size to indicate the general appearance of the finished work. The dimensions of individual pieces shall be at least 0,01 square metres (typical values are between 0,01 and 0,25 square metres in face area but may be more), and shall indicate the range of appearance regarding the colouring, the vein pattern, the physical structure and the surface finish. In particular the reference sample shall show specific characteristics of the stone, such as holes for travertine, worm holes for marble, glass seams, spots, crystalline veins and rusty spots. The reference sample does not imply strict uniformity between the sample itself and the actual supply; natural variations may always occur. If the processing of the stone involves the use of patching, fillers or other similar products for natural holes, faults or cracks, then the reference sample shall similarly display the impact of the same on the finished surface. All the characteristics as shown by the reference sample shall be considered typical of the stone and not as flaws, therefore they shall not become a reason for rejection, unless their concentration becomes excessive and the typical character of the stone is lost. The name and address of the producer or the supplier, as well as the denomination of the stone in accordance with 4.2.2 above, shall be indicated on the reference sample. Any comparison between production sample and reference sample shall be carried out by placing the reference sample against the production samples and viewing them at a distance of about two metres under normal daylight conditions and recording any visible differences in the characteristics of the stones (see Figure 4).
EN 12058:2004 (E) 12
Key 1
Reference sample 2
Production sample 3
Daylight Figure 4 — Comparison between production sample and reference sample 4.2.4 Flexural strength This characteristic shall always be declared. The flexural strength shall be determined using the test method in EN 12372 or EN 13161 and the mean value, lower expected value and document deviation shall be declared. NOTE An identification test as defined in EN 12372 or EN 13161 is normally carried out for the purpose of CE marking. However, where the surface finish of the delivered product is known, the test may be carried out with this finish, in accordance with the technological tests defined in EN 12372 or EN 13161. 4.2.5 Bond strength adhesion This characteristic is within the responsibility of the person in charge of the execution of the tiling. The value of the bond strength adhesion depends on the condition of the layer, the type of adhesive/mortar and the surface finish of the back face. The person responsible shall refer to existing national codes of practice.
EN 12058:2004 (E) 13 4.2.6 Water absorption at atmospheric pressure This characteristic shall always be declared. The water absorption shall be determined using the test method in EN 13755 and the results expressed accordingly. 4.2.7 Reaction to fire This characteristic shall always be declared. Natural stones are considered reaction to fire Class A1 following Commission Decision 96/603/EC, as amended, with the following exceptions: - Natural stones containing asphalt at greater than 1 % by mass or volume, whichever is the more onerous, and having a final use subject to fire regulations, shall be tested for reaction to fire and classified in accordance with EN 13501-1. - Whenever processing of natural stones involves the use of organic patching, fillers or other similar products for natural holes, faults, cracks or similar, greater than 1 % by mass or volume, whichever is the more onerous and the same stones have a final use subject to fire regulations, then they shall be tested for reaction to fire and classified in accordance with EN 13501-1. 4.2.8 Water absorption by capillarity This characteristic shall be declared, upon request, for example when the slab for floors and stairs is to be used for elements in contact with a horizontal surface where water may be present. The water absorption by capillarity shall be determined using the test method in EN 1925 and the results expressed accordingly. For stone having open an porosity less than 1,0 % this test shall not be performed. 4.2.9 Apparent density and open porosity This characteristic shall always be declared. The apparent density and open porosity shall be determined using the test method in EN 1936 and the results expressed accordingly. 4.2.10 Frost resistance This characteristic shall be declared where subject to regulatory requirements or upon request (e.g. where the product is expected to be subjected to freeze/thaw cycles). The frost resistance shall be determined using the test method in EN 12371 and the results expressed: - as the change in mean flexural strength after 48 cycles of freeze/thaw; - or as the number of cycles necessary to initiate cracks, rupture, etc. When the slabs are to be used in areas not subjected to freeze/thaw cycles, the resistance shall be recorded as "No performance determined” (NPD). For some specific uses it may be appropriate to use different test cycles, for example freezing in water, freezing to a lower temperature, or testing specimens embedded in non-porous siliceous granules or a different number of cycles. In these cases national specifications may be followed but these variations shall be clearly stated in the test report and in the product marking.
EN 12058:2004 (E) 14 NOTE 1 The selection of the stones is subjected to climatic zones and/or to codes of practice. NOTE 2 When the mean value of flexural strength decreases by less then 20 %, this should not be considered as significant because of the variability of natural stone. NOTE 3
The frost damage which a stone may suffer when installed in a building will depend on the climatic conditions of the place of use, the relative position in the building (which determines the degree of saturation) and the predicted service life of the building. Consequently, each country may feel it appropriate to introduce in
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