1、BSI Standards PublicationBS EN 12058:2015Natural stone products Slabs for floors and stairs RequirementsBS EN 12058:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12058:2015. It supersedes BS EN 12058:2004 which is withdrawn.The UK participation in its pre
2、paration was entrusted to Technical Committee B/545, Natural stone.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct applicat
3、ion. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 76928 3ICS 91.100.15Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committe
4、e on 31 March 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12058 March 2015 ICS 91.100.15 Supersedes EN 12058:2004English Version Natural stone products - Slabs for floors and stairs - Requirements Produits en pie
5、rre naturelle - Dalles de revtement de sol et descalier - Exigences Natursteinprodukte - Bodenplatten und Stufenbelge - Anforderungen This European Standard was approved by CEN on 3 January 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions
6、 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 t
7、hree 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
8、bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia
9、, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved wor
10、ldwide for CEN national Members. Ref. No. EN 12058:2015 EBS EN 12058:2015EN 12058:2015 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Characteristics of natural stone slabs 7 4.1 Geometrical characteristics 7 4.1.1 General 7 4.1.2 Dimensions .7 4.1.3 F
11、latness 7 4.1.4 Length and width .8 4.1.5 Special shapes .8 4.1.6 Commercial sizes of slabs for floors and stairs .8 4.1.7 Surface finish .9 4.2 Physical and mechanical characteristics 9 4.2.1 General 9 4.2.2 Denomination .9 4.2.3 Visual appearance .9 4.2.4 Flexural strength . 11 4.2.5 Bond strength
12、/adhesion 11 4.2.6 Water absorption at atmospheric pressure . 11 4.2.7 Reaction to fire 11 4.2.8 Water absorption by capillarity . 11 4.2.9 Apparent density and open porosity 11 4.2.10 Durability . 12 4.2.11 Thermal shock resistance 12 4.2.12 Water vapour permeability . 12 4.2.13 Slip resistance . 1
13、2 4.2.14 Skid resistance 12 4.2.15 Tactility 13 4.2.16 Direct airborne sound insulation 13 4.2.17 Thermal conductivity 13 4.2.18 Release of dangerous substances 13 5 Testing, assessment and sampling methods 13 5.1 Testing . 13 5.2 Sampling 13 5.2.1 General . 13 5.2.2 Principles of sampling . 14 5.2.
14、3 Taking bulk samples 14 5.2.4 Preparing a sampling plan . 14 5.2.5 Sampling apparatus . 14 5.2.6 Sampling methods 14 5.2.7 Marking, packaging and dispatch of the samples . 16 5.2.8 Sampling report 16 6 Assessment and verification of constancy of performance - AVCP . 17 6.1 General . 17 6.2 Type Tes
15、ting 18 6.2.1 General . 18 6.2.2 Test samples, testing and compliance criteria 18 BS EN 12058:2015EN 12058:2015 (E) 3 6.2.3 Test reports 19 6.2.4 Shared other party results 20 6.2.5 Cascading determination of the product type results . 20 6.3 Factory production control (FPC) 21 6.3.1 General . 21 6.
16、3.2 Requirements . 22 6.3.3 Product specific requirements . 25 6.3.4 One-off products, pre-production products (e.g. prototypes) and products produced in very low quantity . 26 6.3.5 Procedure for modifications. 27 7 Marking and packaging . 27 Annex ZA (informative) Clauses of this European Standard
17、 addressing the provisions of the EU Construction Products Regulation 29 ZA.1 Scope and relevant characteristics . 29 ZA.2 Procedure for AVCP of natural stone for floorings and stairs . 32 ZA.2.1 System(s) of AVCP 32 ZA.2.2 Declaration of performance (DoP) . 35 ZA.2.2.1 General 35 ZA.2.2.2 Content 3
18、6 ZA.2.2.3 Example of DoP 36 ZA.2.2.3.1 Example of DoP for slabs for internal use . 36 ZA.2.2.3.2 Example of DoP for slabs for external use 38 ZA.3 CE marking and labelling 40 Bibliography 44 BS EN 12058:2015EN 12058:2015 (E) 4 Foreword This document (EN 12058:2015) has been prepared by Technical Co
19、mmittee 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 September 2015, and conflicting national standards shall be withdrawn
20、at the latest by December 2016. 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 12058:2004. EN 12058:2015
21、includes the following significant technical changes with respect to EN 12058:2004: nominal thickness tolerances changed; durability, skid resistance, direct airborne sound insulation, thermal conductivity, release of dangerous substances added to requirements; sampling at the point of delivery adde
22、d to the sampling; assessment and verification of constancy of performance added; Annex ZA substantially changed. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports basic requirements for construction works of
23、 Regulation (EU) No.305/2011 on Construction Products. For relationship with the Regulation, see informative Annex ZA, which is an integral part of this document. This European Standard is one of a series of standards for specifications of natural stone products which includes the following: EN 1467
24、, Natural stone Rough blocks Requirements; EN 1468, Natural stone Rough slabs Requirements; EN 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; EN 1205
25、9, Natural stone products Dimensional stone work Requirements. 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, Eston
26、ia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 12058:2015EN 12058
27、:2015 (E) 5 1 Scope This European Standard specifies requirements for flat natural stone slabs used as paving units for internal (including enclosed public transport premises) and/or external uses in floors and stairs including skirtings. This European Standard does not cover mineral aggregates and
28、artificial agglomerated stone material and does not cover installation. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated refere
29、nces, the latest edition of the referenced document (including any amendments) applies. EN 1745, Masonry and masonry products - Methods for determining thermal properties EN 1925, Natural stone test methods - Determination of water absorption coefficient by capillarity EN 1936, Natural stone test me
30、thods - 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 -
31、 Petrographic examination EN 12440, Natural stone - Denomination criteria EN 12670:2001, Natural stone - Terminology 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: Class
32、ification using data from reaction to fire tests EN 13755, Natural stone test methods - Determination of water absorption at atmospheric pressure EN 14066, Natural stone test methods - Determination of resistance to ageing by thermal shock EN 14157, Natural stone test methods - Determination of the
33、abrasion resistance CEN/TS 16165:2012, Determination of slip resistance of pedestrian surfaces - Methods of evaluation EN ISO 10456, Building materials and products - Hygrothermal properties -Tabulated design values and procedures for determining declared and design thermal values (ISO 10456) EN ISO
34、 12572, Hygrothermal performance of building materials and products - Determination of water vapour transmission properties (ISO 12572) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12670:2001 and the following apply. 3.1 slab for floors flat piece
35、of natural stone obtained by cutting or splitting at a nominal thickness 12 mm BS EN 12058:2015EN 12058:2015 (E) 6 3.2 slab for stairs flat piece of natural stone obtained by cutting or splitting at a nominal thickness 12 mm to form the horizontal part of a stair step (tread) or the vertical part of
36、 a stair step (riser) 3.3 dimensions of rectangular slabs for floors length l, width b and thickness d are the dimensions of a slab for floors, given in the stated sequences in millimetres (see Figure 1) Figure 1 Dimensions of slabs for floors 3.4 dimensions of rectangular slabs for stairs length l,
37、 width b and thickness d are the dimensions of a slab for stairs, separated for treads and risers, given in the stated sequences in millimetres (see Figure 2) Key 1 tread 2 riser Figure 2 Dimensions of slabs for stairs BS EN 12058:2015EN 12058:2015 (E) 7 3.5 lower expected value lower expected value
38、 (EL) corresponds to the 5 %-quantile of a logarithmic normal distribution for a confidence level of 75 % 3.6 higher expected value higher expected value (EH) corresponds to the 95 %-quantile of a logarithmic normal distribution for a confidence level of 75 % 3.7 skirting flat piece of natural stone
39、 obtained by cutting or splitting at a nominal thickness larger than 12 mm, laid on each wall surrounding a flooring and in contact with it 4 Characteristics of natural stone slabs 4.1 Geometrical characteristics 4.1.1 General All measurements shall be carried out in accordance with EN 13373 and all
40、 measured values of individual units shall fall within the required tolerances. 4.1.2 Dimensions The thickness shall be measured in accordance with EN 13373 and the measured values shall not deviate from the nominal thickness by more than the tolerances given in Table 1. Table 1 Tolerances on the no
41、minal thickness Nominal thickness in mm Tolerance More than 12 Up to and including 30 10 % More than 30 Up to and including 80 3 mm More than 80 5 mm Stricter deviations may be declared by the manufacturer. NOTE If the slab is to be fixed by adhesives or a thin mortar bed, stricter deviations may be
42、 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
43、does not apply and the deviations shall be set out by the manufacturer. 4.1.3 Flatness The deviation from flatness of the surface (except for natural cleft faces) when measured in accordance with EN 13373 shall not exceed 0,2 % of the slab length, and shall not exceed 3 mm. For natural cleft faces,
44、the deviation on flatness shall be set out by the manufacturer. BS EN 12058:2015EN 12058:2015 (E) 8 4.1.4 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 50 mm 2 mm 3 mm Stricte
45、r deviations may be declared by the manufacturer. For natural cleft/riven edges, Table 1 does not apply and the tolerances on length, width and squareness shall be set out by the manufacturer. 4.1.5 Special shapes The permissible deviation at any point shall be as stated in Table 2 (see Figure 3). E
46、ach 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 deviations may be
47、declared by the manufacturer. Dimensions 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 Commer
48、cial sizes shall be based on the area of the smallest possible circumscribed rectangle measured in square metres accurate to two decimal places. BS EN 12058:2015EN 12058:2015 (E) 9 4.1.7 Surface finish 4.1.7.1 General Surface finishes shall extend uniformly to the edges of the slabs for floors and s
49、tairs. The surface finishing of some types of stones may typically involve the use of patching, fillers or other similar products 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 fin
