1、September 2008DEUTSCHE NORM English price group 12No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 79.080!$R,.“1470911w
2、ww.din.deDDIN EN 14761Wood flooring Solid wood parquet A1:2008)English version of DIN EN 14761:2008-09Holzfubden Massivholzparkett Hochkantlamelle, Breitlamelle und Modulklotz (enthlt nderung A1:2008)Englische Fassung DIN EN 14761:2008-09SupersedesDIN EN 14761:2006-05www.beuth.deDocument comprises 2
3、3 pagesVertical finger, wide finger and module brick (includes AmendmentDIN EN 14761:2008-09 2 National foreword This standard has been prepared by Technical Committee CEN/TC 175 “Round and sawn timber” (Secre-tariat: AFNOR, France). The responsible German body involved in its preparation was the No
4、rmenausschuss Holzwirtschaft und Mbel (Timber and Furniture Standards Committee), Technical Committee NA 042-01-14 AA Spiegelaus-schuss zu CEN/TC 175 und ISO/TC 218 Rund- und Schnittholz. Amendments This standard differs from DIN EN 14761:2006-05 as follows: a) Modifications have been made to Table
5、3 “Dimensions and permitted deviations for vertical finger” and Table 4 “Dimensions and permitted deviations for wide fingers”. Previous editions DIN EN 14761: 2006-05 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14761:2006+A1 July 2008 ICS 79.080 Supersedes EN 14761:2006English Version Wood
6、 flooring - Solid wood parquet - Vertical finger, wide finger and module brick Plancher en bois - Parquet en bois massif - Lamelle verticale, sur chant et coupe de pierre Holzfubden - Massivholzparkett - Hochkantlamelle, Breitlamelle und Modulklotz This European Standard was approved by CEN on 30 De
7、cember 2005 and includes Amendment 1 approved by CEN on 30 May 2008. 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 bibliographic
8、al 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 under the responsibility of a CEN
9、 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, It
10、aly, 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 Management Centre: rue de Stassart, 36 B-
11、1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14761:2006+A1:2008: EEN 14761:2006+A1:2008 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .5 4 Symbols and abbreviations 5
12、 5 Specific product requirements.6 5.1 Wood species.6 5.2 Appearance 6 5.2.1 General rules6 5.2.2 Rules for wide fingers and module bricks 6 5.2.3 Rules for vertical finger.7 5.2.4 Free class .8 5.3 Moisture content8 5.4 Geometrical characteristics8 5.4.1 General8 5.4.2 Vertical finger.8 5.4.3 Wide
13、finger .9 5.4.4 Module brick.10 5.4.5 Vertical finger laying unit like a ladder.11 5.4.6 Wide finger laying unit like a ladder .11 5.4.7 Module parquet laying unit made up from component squares12 5.4.8 Machining .12 5.5 Technical specifications and properties .12 5.5.1 Technical characteristics req
14、uired when in service 12 5.5.2 Specific site requirements 12 5.5.3 Appearance 12 5.5.4 Renovation and repair.13 6 Marking .13 Annex A (informative) Botanical and trade names of the most commonly used species for wood flooring (hardwood and softwood species) 14 Annex B (normative) Principles for the
15、classification of the free class20 Bibliography 21 DIN EN 14761:2008-09 EN 14761:2006+A1:2008 (E) 3 Foreword This document (EN 14761:2006+A1:2008) has been prepared by Technical Committee CEN/TC 175 “Round and sawn timber”, the secretariat of which is held by AFNOR. This European Standard shall be g
16、iven the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2009 and conflicting national standards shall be withdrawn at the latest by January 2009. This document includes Amendment 1, approved by CEN on 2008-05-30. This document su
17、persedes EN 14761:2006. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Bel
18、gium, Bulgaria, 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. DIN EN 14761:2008-09
19、EN 14761:2006+A1:2008 (E) 4 1 Scope This European Standard specifies the characteristics of solid vertical and wide finger as well as Module brick including the laying units made of softwood or hardwood for internal use as flooring. This standard covers products without surface treatments. This stan
20、dard covers also treated or untreated elements. 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
21、 amendments) applies. EN 844-1:1995, Round and sawn timber Terminology Part 1 : General terms common to round timber and sawn timber EN 844-3:1995, Round and sawn timber Terminology Part 3 : General terms relating to sawn timber EN 844-4:1997, Round and sawn timber Terminology Part 4 : Terms relatin
22、g to structure content EN 844-6:1997, Round and sawn timber Terminology Part 6 : Terms relating to dimensions of sawn timber EN 844-7:1997, Round and sawn timber Terminology Part 7 : Terms relating to anatomical structure of timber EN 844-9:1997, Round and sawn timber Terminology Part 9 : Terms rela
23、ting to features of sawn timber EN 844-10:1998, Round and sawn timber Terminology Part 10 : Terms relating to stain and fungal attack EN 844-11:1998, Round and sawn timber Terminology Part 11 : Terms relating to degrade by insects EN 844-12:2000, Round and sawn timber Terminology Part 12 : Additiona
24、l terms and general index EN 1310, Round and sawn timber Method of measurement of features EN 1534, Wood and parquet flooring - Determination of resistance to indentation (Brinell) - Test method EN 13183-1, Moisture content of a piece of sawn timber - Part 1: Determination by oven dry method EN 1318
25、3-2, Moisture content of a piece of sawn timber - Part 2: Estimation by electrical resistance method EN 13647, Wood and parquet flooring and wood panelling and cladding - Determination of geometrical characteristics EN 13756:2002, Wood flooring Terminology EN 14342, Wood flooring Characteristics, ev
26、aluation of conformity and marking DIN EN 14761:2008-09 EN 14761:2006+A1:2008 (E) 5 3 Terms and definitions For the purposes of this European Standard the terms and definitions given in EN 844-1:1995, EN 844-3:1995, EN 844-4:1997, EN 844-6:1997, EN 844-7:1997, EN 844-9:1997, EN 844-10:1998, EN 844-1
27、1:1998, EN 844-12:2000 and EN 13756:2002 and the following apply. 3.1 vertical finger element of solid sawn wood, of small dimensions having flat edges similar to the mosaic parquet finger, and with tolerances in regard of the rectangular shape and the dimensions regarding the width and the thicknes
28、s 3.2 wide finger small element of solid wood, with rectangular shape, having flat edges NOTE See dimensions in Tables 4 (wide finger) and 5 (module brick) 3.3 module brick element of solid wood, with rectangular shape having flat edges NOTE See dimensions in Tables 4 (wide finger) and 5 (module bri
29、ck) 3.4 vertical finger laying unit pre-assembled laying unit made up of a certain number of fingers laid on their longest edge forming a pattern like a ladder NOTE The particular fingers are held together by an adequate material either on their face and/or at the back for means of transportation an
30、d installation 3.5 wide finger laying unit pre-assembled laying unit made up from a certain number of wide fingers which are assembled edge to edge forming a pattern like a ladder NOTE The particular fingers are held together by an adequate material on their back for means of transportation and inst
31、allation 3.6 module parquet laying unit pre-assembled laying unit made up of module bricks which are assembled edge to edge in a certain way in order to form a pattern, e. g. squares or other designs NOTE The module bricks are held together by an adequate material on their face and/or at the back fo
32、r means of transportation and installation 4 Symbols and abbreviations l Length of the face of the element b Width of the face of the element t Thickness between the face and the back of the element DIN EN 14761:2008-09 EN 14761:2006+A1:2008 (E) 6 5 Specific product requirements 5.1 Wood species A l
33、ist of the most commonly used species for elements and laying units as described in this standard is given in Annex A. 5.2 Appearance 5.2.1 General rules A classification with three appearance classes is specified, designated null, and null. Tables 1 and 2 define the classification relating to appea
34、rance rules for the face of wide fingers and module bricks made of oak, beech and ash. Appearance rules for vertical fingers are given in 5.2.3. A classification named “Free class“ is based on the principle laid out in Annex B. The wood shall be sound and the surface free of insect galleries. All an
35、nual growth layer as well as medullary ray are permitted. 5.2.2 Rules for wide fingers and module bricks 5.2.2.1 For Quercus spp. (oak) Rules for oak are given in Table 1. DIN EN 14761:2008-09 EN 14761:2006+A1:2008 (E) 7 Table 1 Classification for Quercus spp. (oak) Class Features null Sapwood Not p
36、ermitted Permitted Permitted Knots a Not permitted Not permitted Permitted Checks Not permitted Not permitted Permitted Bark pocket Not permitted Not permitted Permitted Lightning shakes Not permitted Not permitted Permitted Slope of grain Permitted Permitted Permitted Biodeterioration Not permitted
37、 Not permitted Permitted Colour variation Large variation not permitted Permitted Permitted aSound knots not exceeding 2 mm in diameter and black knots not exceeding 1 mm in diameter are permitted, if they do not occur in clusters. 5.2.2.2 For Fraxinus excelsior (ash) and Fagus sylvatica (beech) Rul
38、es for ash and beech shall be as specified in Table 1 except for the specific features given in Table 2. Table 2 Classification for Fraxinus excelsior (ash) and Fagus sylvatica (beech) Class Features null null For ash: Sound brown heart Not permitted Permitted Permitted Sapwood Permitted Permitted P
39、ermitted For beech: Sound red heart Not permitted Permitted Permitted 5.2.3 Rules for vertical finger The vertical finger shall have no limitations regarding colour, knots and structure. Sapwood and stain shall be permitted. DIN EN 14761:2008-09 EN 14761:2006+A1:2008 (E) 8 On the surface, decay and
40、insect attack shall not be permitted. 5.2.4 Free class The free class covers any species which may be used for wood flooring and for which hardness HB has a minimum mean value of 10 N/mm2. Hardness shall be measured according to EN 1534. The free class covers any classification which the producer wi
41、shes to offer or which is requested by the buyer. The proportions or limits of features shall be specifically indicated in the producers literature/data sheets, in conformity with Annex B and stated according to Table B.1. NOTE 10N/mm2: approximately 1kgf/mm25.3 Moisture content Individual elements
42、shall have a moisture content at the time of first delivery of the product of between 7 % and 11 %. The moisture content shall be measured with an electric moisture meter in accordance with EN 13183-2. In case of dispute, the moisture content shall be determined by oven-drying in accordance with EN
43、13183-1. 5.4 Geometrical characteristics 5.4.1 General All elements and laying units shall have their actual dimensions within the dimensions and permitted deviations specified to 5.4.2 to 5.4.4. All dimensions are given at a reference moisture content of 9 %. Unless there is evidence to the contrar
44、y, it shall be assumed that the thickness and width of a piece of timber increase by 0,25 % for every 1 % of moisture content above the reference moisture content, and decrease by 0,25 % for every 1 % of moisture content below the reference moisture content. The methods of measurement of geometrical
45、 characteristics are given in EN 13647. 5.4.2 Vertical finger The dimensions and permitted deviations for vertical finger are given in Table 3 and refer to Figures 1 and 2. Table 3 Dimensions and permitted deviations for vertical !deleted text“ finger ! Thickness t Width b Length l mm mm mm Dimensio
46、ns 8 to 35 6 to 10 115 to 320 Permitted deviations 0,5 0,5 0,5 “ NOTE The batch is composed of elements with the same nominal thickness and length DIN EN 14761:2008-09 EN 14761:2006+A1:2008 (E) 9 Figure 1 Cross-section of a vertical finger Figure 2 View of the face of a vertical finger 5.4.3 Wide fi
47、nger The dimensions and permitted deviations for wide fingers are given in Table 4 and refer to Figures 3 and 4. Table 4 Dimensions and permitted deviations for wide fingers ! Thickness t Width b Length l mm mm mm Dimensions 8 to 35 11 to 23 115 to 320 Permitted deviations 0,5 0,5 0,5 “ DIN EN 14761
48、:2008-09 EN 14761:2006+A1:2008 (E) 10 Figure 3 Cross-section of a wide finger Figure 4 View of the face of a wide finger 5.4.4 Module brick The dimensions and permitted deviations for module bricks are given in Table 5 and refer to Figures 5 and 6. Table 5 Dimensions and permitted deviations for mod
49、ule bricks Dimensions and permitted deviations in millimetres Thickness t Width b Length l Dimensions 23 60 to 80 115 to 165 Permitted deviations 0,2 0,2 0,2 DIN EN 14761:2008-09 EN 14761:2006+A1:2008 (E) 11 Figure 5 Cross-section of a module brick Figure 6 View of a face of a module brick 5.4.5 Vertical finger laying unit like a ladder The dimensions of the vertical fingers determine the thickness and the width of the laying unit. There may exist different widths of fin
