1、BRITISH STANDARD BS EN 12775:2001 Solid wood panels Classification and terminology The European Standard EN 12775:2001 has the status of a British Standard ICS 79.060.99 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12775:2001 This British Standard, having been prepared
2、 under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 March 2001 BSI 03-2001 ISBN 0 580 37056 9 National foreword This British Standard is the official English language version of EN 1
3、2775:2001. The UK participation in its preparation was entrusted to Technical Committee B/541, Wood-based panels, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement
4、 international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport t
5、o include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European comm
6、ittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to
7、7 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12775 January2001 ICS01.040.79;79.060.99 Englishversion SolidwoodpanelsClassif
8、icationandterminology BoispanneautsClassificationetterminologie MassivholzplattenKlassifizierungundTerminologie ThisEuropeanStandardwasapprovedbyCENon1January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanat
9、ionalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation underther
10、esponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,
11、SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12775:2001EPage2 EN12775:2001
12、 Contents Page Foreword. 2 1 Scope. 3 2 Normativereferences. 3 3 Classification 3 3.1 Accordingtothecompositionofthepanel 3 3.2 Accordingtotheirprincipalcharacteristics 3 3.3 Accordingtotheirsurfacecondition 4 3.4 Accordingtotheultimateuserrequirements 4 4 Termsanddefinitionsrelatingto solidwoodpane
13、ls 4 4.1 Solidwoodpanel 4 4.2 Largesizedpanel. 4 4.3 Mediumsizedpanel . 5 4.4 Panelcuttosize 5 4.5 Lengthofpanel. 5 4.6 Widthofpanel 5 4.7 Layer 5 4.8 Face 5 Page 4.9 Back 5 4.10Strip. 5 4.11Board 6 4.12Lamella 6 4.13Blank 6 4.14Plank 6 4.15 Structureofwood. 6 4.16 Narrowringedwood . 6 4.17 Widering
14、edwood. 6 4.18 Straightgrainwood 6 4 . 1 9 P r e s e n c e o f k n o t s . 6 4 . 2 0 B l a c k k n o t 6 4.21Patch 6 4 . 2 2 N a t u r a l p l u g . 7 4.23 Serialplugging . 7 4 . 2 4 C h e m i c a l p a t c h i n g . 7 4 . 2 5 W o r m h o l e 7 4.26 Fungalattack 7 4 . 2 7 F i n e s a w n t i m b e r
15、 7 4.28 Sandedtimber . 7 4 . 2 9 E n d j o i n t 7 4 . 3 0 S i m p l e b u t t 7 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC112“Woodbasedpanels“,the secretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical
16、text orbyendorsement,atthelatestbyJuly2001,andconflictingnationalstandardsshallbewithdrawnatthelatest byJuly2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finla
17、nd, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom. NoexistingEuropeanStandardissuperseded.Page3 EN12775:2001 1Scope ThisEuropeanstandardgivesaclassificationforsolidwoodpanelsanddefinestermsusedwithsolidwood panels. 2No
18、rmativereferences ThisEuropeanStandardincorporates,bydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEu
19、ropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,thelatesteditionofthe publicationreferredtoapplies(includingamendments). EN8443 RoundandsawntimberTerminologyPart3:Generaltermsrelatingtosawntimber EN8447 RoundandsawntimberTerminologyPart7:Termsrelatingtoanatomicalstr
20、uctureoftimber EN8449 RoundandsawntimberTerminologyPart9:Termsrelatingtofeaturesofsawntimber EN84410 RoundandsawntimberTerminologyPart10:Termsrelatingtostainandfungalattack EN84411 RoundandsawntimberTerminologyPart11:Termsrelatingtodegradebyinsects 3Classification 3.1Accordingtothecompositionofthepa
21、nel a)Singlelayerpanels b)Multilayerpanels 3.2Accordingtotheirprincipalcharacteristics 3.2.1Accordingtotheirconditionsofuse a)Panelsforuseindryconditions b)Panelsforuseinhumidconditions c)Panelsforuseinexteriorconditions 3.2.2Accordingtotheirmechanicalproperties a)Panelsforgeneralpurposes b)Panelsfo
22、rstructuraluses 3.2.3Accordingtotheirsurfaceappearance 3.2.3.1Accordingtothegroupofwoodspeciesintheouterlayer a)Softwoodpanels b)HardwoodpanelsPage4 EN12775:2001 3.2.3.2Accordingtothelengthofpiecesintheouterlayer a)Panelswithpiecescuttolength(“SC“showingcuts). b)Panelswithpiecesnotcuttolength(“NCnoc
23、uts) 3.3Accordingtotheirsurfacecondition a)Rawpanels b)Sandedpanels c)Panelswithtexturedsurfaces d)Finishedpanels(e.g.overlaid,coated,primed,varnished,oiltreated) 3.4Accordingtotheultimateuserrequirements 4Termsanddefinitionsrelatingtosolidwoodpanels Forthepurposeofthisstandard,thetermsanddefinition
24、sgiveninEN8443,EN8447,EN8449,EN84410 andEN84411andthefollowingapply. NOTE Inthefollowingdefinitions“piecesoftimber“meanstimberintheformofboards,lamellas, blanks,stripsorplanks. 4.1Solidwoodpanel Panelthatconsistsofpiecesoftimbergluededgetoedgeand,ifmultilayer,facetoface. 4.1.1Singlelayersolidwoodpan
25、el Solidwoodpanel,consistingofseveralpiecesoftimberwhicharegluedtogethertoformonelayer. 4.1.1.1Solidwoodpanelwithpiecescuttolength Solidwoodpanelwithpiecesoftimberwhichshowcutsacrosstheirlengthand,asarule,aregluedtogetherat theirendsorfingerjointed(Type“SC“). 4.1.1.2Solidwoodpanelwithpiecesnotcuttol
26、ength Solidwoodpanelconsistingofpiecesoftimberwhichareundividedforthefulllengthofthepanel(Type“NC“). 4.1.2Multilayersolidwoodpanel Solidwoodpanel,consistingoftwoouterlayerswiththeirgraindirectionrunningparallelandatleastoneinner layerwithitsgraindirectionat90totheouterlayers. 4.2Largesizepanel Panel
27、withdimensionsequaltoorgreaterthan3minlengthandequaltoorgreaterthan1minwidth.Page5 EN12775:2001 4.3Mediumsizedpanel Panelwithdimensionslessthan3minlengthorlessthan1minwidth. 4.4Panelcuttosize Panelwhichconformstothesizespecifiedbythepurchaser. 4.5Lengthofpanel Thepaneldimensioninthedirectionofthegra
28、inoftheouterlayers. 4.6Widthofpanel Thepaneldimensionatrightanglestothelength 4.7Layer Flatcompositionofpiecesoftimberwhichcanbegluededgetoedgeandeventuallyendtoend. 4.7.1Outerlayer Outsidestratumofamultilayersolidwoodpanel. 4.7.2Innerlayer Anystratumofamultilayersolidwoodpanelwhichisnotanouterlayer
29、. 4.7.3Middlelayer Centralstratumofamultilayersolidwoodpanel. 4.8Face Thesurfaceswhichfallinthebetterappearanceclass. NOTE Ifbothsurfacesfallinthesameclass,thepanelcanbeconsideredtohavingtwofacesandno back. 4.9Back Thesurfaceofthepanelwhichfallsinthelowerappearanceclass(comparedtotheface). 4.10Strip
30、 Pieceofsawntimberoflongishform,lessthan40mminthicknessandlessthan80mminwidth.Page6 EN12775:2001 4.11Board Pieceofsawntimberoflongishform,lessthan40mminthickness(butnotlessthan10mmthick)andmore than80mminwidth. 4.12Lamella Pieceofsawntimberoflongishformbetween3mmand10mminthicknessandof25mmormoreinwi
31、dth. 4.13Blank Pieceofsawntimberoflongishformwhichismorethan40mminthicknessandnotexceeding80mminwidth. 4.14Plank Pieceofsawntimberoflongishformwhichis40mmormoreinthicknessandmorethan80mminwidth. 4.15Structureofwood Anatomiccompositionofwood,determinedbythesizeandtypeofcells,poresandthewidthandregula
32、rityof growthrings. 4.16Narrowringedwood Woodwithclosegrowthrings.Withsoftwoodspecies,thewoodisnarrowringedifithasanaverageof6or moregrowthringsper1cmoverthewholecrosssection. 4.17Wideringedwood Woodwithlargegrowthrings.Woodiswideringediftheaveragewidthofthegrowthrings(measuredradiallyat thecrosssec
33、tion)exceeds6mm. 4.18Straightgrainwood Woodwithaslopeofgrainoflessthan2cm/m. 4.19Presenceofknots Termwhichdescribestheexistenceofknotsinapieceoftimber. 4.20Blackknot Unsoundknotordeadknotwithblackdiscolourationatthewholeorinpart(ringshaped)ofitscrosssection. 4.21Patch Smallflatpieceofwoodusedforinse
34、rtingintoapieceofsawntimber,orasolidwoodpanel,toreplacevisible partsoffeaturessuchasknotsordefects.Page7 EN12775:2001 4.22Naturalplug Plugwhichhasbeenproducedfromanaturalbranchandthereforeshowsthecompletecirculargrowthrings acrossitssurface. 4.23Serialplugging Insertionofplugsseparatedbyadistanceles
35、sthantheirindividualwidthorevenoverlapping. 4.24Chemicalpatching Defectfilledwithachemicalcompound. 4.25Wormhole Boreholeinwoodwithadiameterofmorethan2mm. 4.26Fungalattack Discolourationand/orstructuralalterationofwoodbytheattackofwooddestroyingorwooddiscolouringfungi. 4.27Finesawntimber Timberwhich
36、hasbeenworkedwithafinecutcircularsaworfinecutbandsawinsuchawaythattherough nessdepthdoesnotexceed0,5mm. 4.28Sandedtimber Timberwhichhasbeenfinishedbymachinewithsandingbelts. 4.29Endjoint Connectionoftwopiecesoftimberendtoendeitherbyglueing(fingerorbuttjointed)orbymechanicalfasteners (e.g.corrugatedf
37、asteners). 4.30Simplebutt Jointingoftwopiecesoftimberwithoutgluedormechanicalconnection.BS EN 12775:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards i
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