Plywood Grading
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Transcript of Plywood Grading
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8/3/2019 Plywood Grading
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Multipleapplications
invariousfields
Asahighlyversatilem
aterial,withoutstanding
mechanicalanddurab
ilityproperties,offering
innumerableaestheticpossibilities,plywoodisused
inmanyareas:
Construction
Packaging
Marineapplicatio
ns
Transport
Joinery
Inconformitywiththequalitativeandregulatory
requirementsofeach
sector,plywoodadapts
perfectlytothedesire
dachievementsby
guaranteeingsafety,respectoftheenvironmentand
savingenergy.
marking
Guaranteefor
plywoo
d
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ZPLY
06
EN
13986
EN636-1G
18mm
E1
isaplywoodforgeneral(non-structural)interioruse
(EN636-1G).Itmaynotatallbeusedinstructural
applicationsandd
oesnotbenefitfroma
certificateof
conformitydeliver
edbyanexternalorganisation.
Thismarkinghastobefixedonthepanelitself,onthe
labelthatisattached,onthepackagingoronthe
commercialdocum
entsthatarelinkedtotheproduct.
TheCEmarkingo
fthepaneloffersthecertaintythat
theinformationst
rictlycorrespondswiththe
identifiedproduct
.
Whichpanelshoulda
customerbeadvisedtoselect?
Alltheinformationre
latingtothemechanical,physi-
calandchemicalchar
acteristicsofthesesixdifferent
typesofplywoodare
tobefoundinthestandard
EN636Plywood-Spe
cifictions.
Followingtheapplica
tionconditions,aplywood
panelintendedforstr
ucturaluse(CE2+)hastomeet
oneofthefollowingr
equirements:
EN
636-1S:p
lywoodforinteriorstructural
useindryconditi
ons
EN
636-2S:p
lywoodforstructuralinterioror
protectedexterioruseinhumidconditions
EN
636-3S:p
lywoodforstructuralusein
exteriorcondition
s
Forgeneralnon-struc
turaluseonly:
EN
636-1G
:p
lywoodforgeneral(non-
structural)interio
ruseindryconditions
EN
636-2G
:p
lywoodforgeneral(non-
structural)interio
rorprotectedexterioruse
inhumidconditio
ns
EN
636-3G
:p
lywoodforgeneral(non-
structural)usein
exteriorconditions
Theterm"
general"sy
mbolisedby"G"islikelytobe-
ingreplacedbythete
rm"
non-structural"abbreviated
as"NS"followingare
visedversionofEN636.
Incircumstanceswheret
heultimateuseofapanel
isnotdefinitelyknown,cautionarypracticedictates
thatthepanelshouldbepurchasedontheassump-
tionthatitwillbeusedfo
rastructuralpurpose(ina
floor,wallorroof)ofwhichthefactoryproduction
controliscertified(CE2+).
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Isitnecessarytoplaceal
ltherequireditemsofthe
CEmarkinginformationo
ntheproduct?
No!Inanycasethiswouldnotalwaysbetechnically
possible.T
heseindication
scanbegivenonthe
commercialdocumentso
ronthetechnicalinforma-
tionsheetsthatarelinked
totheproduct.
Whenthepanelhasbeen
soldontoafurtherbuyer
inthesupplychain,
thein
formationlinkedtotheCE
markmustbepassedontothenewbuyerinexactly
thesamedetailasorigina
llygivenbythemanufac-
turer.Thisimposesanobligationonthedistributorto
keepastrictrecordofpurchasesandsalesin
ordertoensurethetracea
bilityoftheproductatany
time,particularlyifitundergoesanytransformation
process.
Towhatdoesthisregulationcorrespond?
ByaffixingtheCEma
rkingthemanufacturer
declaresthattheprod
uctconformstoalllegal
stipulations,
inparticulartheEuropeanConstruction
ProductsDirective(CPD)andthestandardEN13986
"Wood-basedpanelsforuseinconstruction-
Characteristics,evaluationofconformityandmark-
ing",andthatitisapp
ropriateforuseinconstruc-
tion.
Itistheofficialg
uaranteethattheproductis
suitableforagivenapplicationduringareasonably
longandeconomicallyrealisticservicelife.
Thepanelthatisint
endedforuseinstructural
applications(CE2+)
canbeusedforallapplications.
Itscontrolbythemanufactureriscertifiedbyan
independantexternalorganisation.
Natural,warmandwithanincomparableinvariability
ofproduction,ply
woodauthorizesamultitudeof
decorativepossib
ilities...
fullymeetingthewishesof
architects,
decora
torsanddesigners!
ww
w.europlywood.org
February2007