1、BS EN 13238:2010ICS 13.220.50; 91.100.01NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDReaction to fire testsfor building products Conditioningprocedures andgeneral rules forselection of substratesThis British Standardwas published under theauthority of the Sta
2、ndardsPolicy and StrategyCommittee on 28 February2010 BSI 2010ISBN 978 0 580 52995 5Amendments/corrigenda issued since publicationDate CommentsBS EN 13238:2010National forewordThis British Standard is the UK implementation of EN 13238:2010. Itsupersedes BS EN 13238:2001 which is withdrawn.The UK par
3、ticipation in its preparation was entrusted to TechnicalCommittee FSH/21, Reaction to fire tests.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsi
4、ble for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 13238:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13238 February 2010 ICS 13.220.50 Supersedes EN 13238:2001English Version Reaction to fire tests for building products
5、- Conditioning procedures and general rules for selection of substrates Essais de raction au feu des produits de construction - Modes opratoires de conditionnement et rgles gnrales de slection des substrats Prfungen zum Brandverhalten von Bauprodukten - Konditionierungsverfahren und allgemeine Regel
6、n fr die Auswahl von Trgerplatten This European Standard was approved by CEN on 18 December 2009. 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
7、-date lists and bibliographical references concerning such national standards 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 translation unde
8、r the responsibility of a CEN member into its own language and notified to the CEN 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,
9、 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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Man
10、agement Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13238:2010: EBS EN 13238:2010EN 13238:2010 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Terms
11、 and definitions .64 Conditioning procedures 64.1 General 64.2 Conditioning to constant mass 64.3 Conditioning for a fixed period 75 General rules for selection of substrates 75.1 General 75.2 Standard substrates for floorings 75.3 Standard substrates for construction products excluding floorings 8B
12、ibliography . 11BS EN 13238:2010EN 13238:2010 (E) 3 Foreword This document (EN 13238:2010) has been prepared by Technical Committee CEN/TC 127 “Fire safety in buildings”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publi
13、cation of an identical text or by endorsement, at the latest by August 2010, and conflicting national standards shall be withdrawn at the latest by August 2010. 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 sh
14、all not be held responsible for identifying any or all such patent rights. This document supersedes EN 13238:2001. 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).
15、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
16、, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 13238:2010EN 13238:2010 (E) 4 Introduction The Construction Products Directive requires products to be tested in their end use condi
17、tion which, for the purpose of substrates, could lead to an economically unrealistic large variety of tests to be carried out. This large spectrum has been reduced to a practical number of standard substrates that enables the majority of end use conditions to be represented. Rules for the selection
18、of such substrates are given in this European Standard. This European Standard is intended for use in conjunction with European Standards covering the reaction to fire test methods for the relevant construction products. BS EN 13238:2010EN 13238:2010 (E) 5 1 Scope This European Standard describes th
19、e conditioning procedures for test specimens which will be tested according to the European standards for reaction to fire. The rules for the selection of substrates for construction products when carrying out reaction to fire tests are also detailed in this European Standard. This European Standard
20、 does not contain requirements for the pre-drying of test specimens for the non-combustibility test according EN ISO 1182; methods of cleaning (e.g. washing) and other methods for the assessment of durability aspects, which are dealt with in the relevant product standards. 2 Normative references The
21、 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 312, Particleboards Specifications EN 520, Gypsum
22、 plasterboards Definitions, requirements and test methods EN 636, Plywood Specifications EN 13501-1, Fire classification of construction products and building elements Part 1: Classification using data from reaction to fire tests EN 13823, Reaction to fire tests for building products Building produc
23、ts excluding floorings exposed to the thermal attack by a single burning item EN 14306, Thermal insulation products for building equipment and industrial installations Factory made calcium silicate (CS) products Specification EN 14390, Fire test Large-scale room reference test for surface products E
24、N ISO 1182, Reaction to fire tests for building products Non-combustibility test (ISO 1182:2002) EN ISO 1716, Reaction to fire tests for building products Determination of the heat of combustion (ISO 1716:2002) EN ISO 9239-1, Reaction to fire tests for floorings Part 1: Determination of the burning
25、behaviour using a radiant heat source (ISO 9239-1:2002) EN ISO 11925-2, Reaction to fire tests Ignitability of building products subjected to direct impingement of flame Part 2: Single-flame source test (ISO 11925-2:2002) EN ISO 13943:2000, Fire safety Vocabulary (ISO 13943:2000) ISO 390, Products i
26、n fibre-reinforced cement Sampling and inspection ISO 1887, Textile glass Determination of combustible-matter content BS EN 13238:2010EN 13238:2010 (E) 6 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 13943:2000 and the following apply. 3.1 mater
27、ial single basic substance or uniformly dispersed mixture of substances, e.g. metal, stone, timber, concrete, mineral wool with uniformly dispersed binder or polymers 3.2 product material, element or component about which information is required 3.3 substrate product which is used immediately beneat
28、h the product about which information is required NOTE For a flooring, it is the floor on which the flooring is mounted or the material which represents this floor. 3.4 standard substrate product which is representative of the substrate used in end use applications 3.5 test specimen piece of the pro
29、duct which is to be tested together with or without any substrate or treatment NOTE The test specimen may include an air gap. 3.6 conditioning exposure to a controlled atmosphere 4 Conditioning procedures 4.1 General Test specimens used by the laboratory to conduct tests according to EN ISO 1182, EN
30、 ISO 1716, EN ISO 9239-1, EN ISO 11925-2, EN 13823 and EN 14390 shall be conditioned at a temperature of (23 2) C and a relative humidity of (50 5) %. NOTE This corresponds to the recommended atmosphere and normal tolerances given in ISO 554. Test specimens shall be arranged within the conditioning
31、environment in such a way that air can circulate around each individual test specimen. Test specimens shall be conditioned either until constant mass is achieved (see 4.2) or for a fixed period (see 4.3). 4.2 Conditioning to constant mass Before testing, the test specimens shall be conditioned in th
32、e atmosphere specified in 4.1 for a minimum period of 48 h, until constant mass is achieved. Constant mass is considered to be achieved when two successive weighing operations, carried out at an BS EN 13238:2010EN 13238:2010 (E) 7 interval of 24 h, do not differ by more than 0,1 % of the mass of the
33、 specimen or 0,1 g, whichever is the greater. A number of weighing devices may be necessary. At least one weighing device shall have an accuracy of at least 0,1 g. 4.3 Conditioning for a fixed period Before starting conditioning for a fixed period, the test specimens shall be properly cured in accor
34、dance with manufacturers instructions and shall not contain excess water. The content of excess water shall be measured and shall be below 40 % before the test specimens are placed in the conditioning environment. Before testing the test specimens shall be conditioned in the atmosphere specified in
35、4.1 for the following minimum periods:. a) Minimum conditioning period of eight weeks: 1) fire retardant treated wood and fire retardant treated wood based products; 2) cement based products; b) Minimum conditioning period of four weeks: 1) not fire retardant treated wood and not fire retardant trea
36、ted wood based products; 2) calcium silicate products; 3) gypsum and gypsum based products; 4) all other products containing hygroscopic materials; c) Minimum conditioning period of two weeks: all other products. 5 General rules for selection of substrates 5.1 General The substrates used by the labo
37、ratory to conduct tests according to EN ISO 9239-1, EN ISO 11925-2, EN 13823 and EN 14390, shall be evaluated when appropriate to determine their reaction to fire test performance and thus compliance with this standard. One indicative test shall be conducted on each batch of substrates. 5.2 Standard
38、 substrates for floorings 5.2.1 Test results using a standard substrate complying with the requirements of 5.2.2 or 5.2.3 are applicable if the density of the end use substrate is at least 75 % of the nominal value of the density of that standard substrate. 5.2.2 End use substrates of classes A1 and
39、 A2-s1,d0 are represented by fibre cement board (in accordance with ISO 390) with thickness (8 2) mm, with density (1 800 200) kg/m3and with classification A2fl-s1, when insofar as for the EN ISO 9239-1 test the fibre cement board is tested as flooring but without a substrate. 5.2.3 End use substrat
40、es of wood and of classes A1 and A2-s1,d0 are represented by not fire retardant treated particleboard (in accordance with EN 312) with thickness (20 2) mm, with density (680 50) kg/m3and with classification Cfl-s1 when tested (according to EN ISO 9239-1) as flooring but without a substrate. BS EN 13
41、238:2010EN 13238:2010 (E) 8 5.2.4 When the end use substrates are not of wood and not of class A1 and not of class A2-s1,d0, the flooringshall be tested in end use condition. 5.2.5 The method of attachment (e.g. adhesive) of floorings shall be representative of end use application (see NOTE). The me
42、thod of attachment in end use practice shall be reproduced in the preparation of the test specimens, i.e. end use adhesive and end use quantities, etc. If the order in which the attachments are conducted is known, this shall also be reproduced in the test specimens, e.g. if in end use practice the a
43、dhesive is applied to the substrate and not to the flooring, then it shall be applied to the substrate during the test specimen preparation. The same or greater time for curing and drying as used in end use practice shall also be allowed. If in practice different types of adhesive are used, test spe
44、cimens with each of the different adhesives shall be prepared. NOTE Some floorings may also be tested without attachment (e.g. adhesive). 5.3 Standard substrates for construction products excluding floorings 5.3.1 A list of standard substrates is given in Table 1. 5.3.2 The choice of the substrate f
45、or the test specimens shall be made in view of the field of application of test results, taking into account the end use substrate and the following rules which apply together: 5.3.2.1 Each standard substrate represents end use substrates which have a density of at least 75 % of the nominal value of
46、 the density of that standard substrate. 5.3.2.2 Standard substrates of classes A1 and A2-s1,d0 represent end use substrates of classes A1 and A2-s1,d0 only. 5.3.2.3 The standard particleboard substrate and the standard plywood substrate represents end use wood based substrates and also any end use
47、substrate of classes A1 and A2-s1,d0. 5.3.2.4 The standard gypsum plasterboard substrate is representative of end use gypsum plasterboard substrates and also any end use substrate of classes A1 and A2-s1,d0. The standard calcium silicate board substrate is not representative of a gypsum plasterboard
48、 end use substrate. 5.3.2.5 The standard steel sheet substrate is only representative of end use metal substrates with a melting point equal to or greater than 1 000 C. 5.3.2.6 The standard aluminium sheet substrate is only representative of end use metal substrates with a melting point equal to or
49、greater than 500 C. 5.3.2.7 Where in the end use of a surface product an air gap is incorporated, this shall be reproduced as part of the test specimens up to a maximum depth of 25 mm, unless a higher value is specified in the applicable test standard. 5.3.2.8 For a surface product, where there are layers behind the immediate substrate which can influence the performance of the product, e.g. an insulating material behind a painted steel sheet, the surface product toget
