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I nternational Standard I NTERNATIONAL ORGANIZATION FOR STANDARDIZATION MEXj JYHAPO, ! JHAR OPrAHM3AL&lR I IO CTAH,QAPTM3ALWlM~ORGANISATION INTERNATIONALE DE NORMALISATION Sol id wood parquet Classi f[.]
I n tern ati on al I N TE RN ATI ON AL Sol i d Parg u et Fi rst U DC ORG AN I ZATI ON FOR wo o d en boi s edi ti on 674- 42 Descri ptors massi f - S TAN D ARD I ZATI ON M E Xj J YH AP O, ! J H AR parq u et - St an d ard Cl assi fi cati on - d es OP r AH M AL&l R I - I O CTAH , QAP TM ALWl M ~ ORG AN I S ATI ON Cl assi fi cat i on l ames en oak DE N ORM ALI S ATI ON Stri ps ch t %e 985- 06- 01 : 69 025 351 : wood of I N TE RN ATI ON ALE produ cts, oak Ref wood, wood en fl oors, parqu et Stri ps, N o I SO 324- 985 ( E) cl assi fi cati on Pri ce based on pag es Foreword ISO (the International Organization for Standardization) is a worldwide federation of national Standards bodies (ISO member bedies) The work of preparing International Standards is normally carried out through ISO technical committees Esch member body interested in a subject for which a technical committee has been established has * the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council They are approved in accordance with ISO procedures requiring at least 75 % approval by the member bodies voting International Standard ISO 324 was prepared by Technical Committee ISO/TC 99, Semi-manufactures of timber lt cancels and replaces Recommendation technical revision ISO/R 324-1 970 of which it constitutes a International Organkation for Standardkation, Printed in Switzerland 985 INTERNATIONAL ISO 3244985 (E) STANDARD Solid wood parquet - Classification Classification Scope and field of application This International Standard establishes the classification, quality, of non-assembled solid oak parquet Strips by Reference ISO 072, Solid wood parquet - General characteristics Manufacture, conditions characteristics, of oak Strips delivery 3.1 Regulations for the manufacture, characteristics and delivery conditions are fixed by ISO 072; the moisture content at delivery shall be between and % 4.1 Solid oak parquet Strips shall not contain more defects for each grade than those allowed in tables 1, and 4.2 Solid oak parquet Strips are divided into three quality grades lt is emphasized that, because the appearance of the Strips is essentially a subjective judgement, a gradation between the grades has not been established In this International Standard, the grades are identified by (***), (**), (*11) 4.3 Strips containing more defects than those allowed for the 3.2 The minimum dimensions and the mean lengths for lowest quality grade ”) shall not be delivered under the designation “ISO solid oak parquet Strips”, nor under any other designation which may lead to confusion with one of the grades given 3.3 The protection or lack of protection of the sapwood against insect darnage shall be specially detailed in the purChase Order 4.4 The three grades shall correspond to the conditions deliveries in non-specified lengths shall be the subject of agreement between the interested Parties specified in tables 1, and ) Designation or names for these quality grades may be assigned in national Standards, provided that such Standards indicate, at least in a note, the relationship with the ISO classification ISO 3244985 (El Table - General characteristics Wood or sawing defects Doat and decay Texture Straightness of grain Planing imper- on face fections (areas and edges not planed and traces of planing on back machine) Planing waves l *** ** none * regular all textures permitted slope of grain not slope of grain not all slopes permitted exceeding 30 % exceeding % none (on examination with the naked eye) permitted, if localized, I not exceeding 0,2 mm in depth permitted up to a maximum depth of I I 0,3 mm 0,4 mm 0,5 mm permitted up to a maximum none (on examination with the naked eye) of 0,2 mm permitted permitted on 1/3 permitted on 1/4 permitted on 1/2 of the length of the length of the length provided that the width of the tongue is not reduced to less than mm on face on back I Incomplete tongue Table - Face Wood or sawing defects Medullary sheath (Sound heart) Sound sapwood and false ’ sapwood Colou ring Checks superficial Shakes other, nonthrough Bark-pocket and frost Cracks very small, not exceeding 5mmin diameter Knots black, not exceeding mm in dia meter Knot clusters Worm holes Wane (dull edges) Curl ** *** none none very slight permitted, stains are excluded none none I none * permitted (with Cracks) permitted permitted if they not result from adulterations due to biological agents permitted permitted to a maximum depth of mm and a maximum width of 0,5 mm not exceeding in depth mm 2mm none permitted in unlimited number none none none none slig ht permitted permitted permitted ISO 324-1 985 (EI Table - Back, ends and edges Wood or sawing defects Medullary sheath (Sound heart) Sound sapwood and false sapwood seasoning Shakes and Shakes shallow Shakes through Shakes Wane (dull edges) Frost Cracks and inbark Defects not mentioned *** ** * permitted in the form of discontinuous rays if none they are not cleft permitted on the whole width of the piece, permitted without limitations if not exceeding mm of the thickness permitted, if not exceeding in depth mm 4mm 6mm none maximum permitted only the median Part, of length 20 % 30 % 40 % I I in width IO % 20 % 30 % in thickness 25 % of the 50 % of the that of the floor-layer f loor-layer f loor-layer permitted permitted, provided that they not impair the strength and the durability of the parquet