Solid softwood panelling and cladding - Machined profiles without tongue and groove

This European Standard defines the characteristics of solid wood panelling and cladding without tongue and groove on edges, machined from the following most common European species of softwood: spruce/fir, pine, larch, European Douglas fir and maritime pine.
Products are intended for interior or exterior use.
Coatings and finishings are not dealt with in this European Standard.
NOTE   products sold in the European Economic Area will have to comply with EN 14915.

Innen- und Außenbekleidungen aus massivem Nadelholz - Profilholz ohne Nut und Feder

La présente Norme européenne définit les caractéristiques des lambris et bardages en bois massif résineux sans rainure et languette usinés a partir des essences résineuses les plus communes : sapin/épicéa, pin, méleze, Douglas européen et pin maritime.
Les produits sont destinés a des emplois intérieur et extérieur.
NOTE   Les produits vendu dans l'espace économique européen doivent répondre au prEN 14915, en préparation.

Lambris et bardages en bois massif résineux - Profilés usinés sans rainure et languette

Diese Europäische Norm legt die Merkmale von Innen- und Außenbekleidungen aus Massivholz ohne Nut und Feder fest, die aus den folgenden weit verbreiteten europäischen Nadelholzarten hergestellt werden: Fichte/Tanne, Kiefer, Lärche, Europäische Douglasie und Seekiefer.
Die Produkte sind für die Verwendung im Innen  oder Außenbereich bestimmt.
ANMERKUNG   Produkte, die im Europäischen Wirtschaftsraum in den Verkehr gebracht werden, werden zukünftig prEN 14915 entsprechen müssen, die derzeit in Vorbereitung ist.

Notranje in zunanje obloge iz masivnega lesa - Profili brez utora in peresa

General Information

Status
Published
Publication Date
28-Feb-2007
Withdrawal Date
28-Feb-2007
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Mar-2007
Due Date
01-Mar-2007
Completion Date
01-Mar-2007

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Solid softwood panelling and cladding - Machined profiles without tongue and grooveNotranje in zunanje obloge iz masivnega lesa - Profili brez utora in peresaLambris et bardages en bois massif résineux - Profilés usinés sans rainure et languetteInnen- und Außenbekleidungen aus massivem Nadelholz - Profilholz ohne Nut und FederTa slovenski standard je istoveten z:EN 15146:2006SIST EN 15146:2007en79.080Polizdelki iz lesaSemi-manufactures of timberICS:SLOVENSKI
STANDARDSIST EN 15146:200701-marec-2007







EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15146December 2006ICS 79.080 English VersionSolid softwood panelling and cladding - Machined profileswithout tongue and grooveLambris et bardages en bois massif résineux - Profilésusinés sans rainure et languetteInnen- und Außenbekleidungen aus massivem Nadelholz -Profilholz ohne Nut und FederThis European Standard was approved by CEN on 5 November 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, 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.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15146:2006: E



EN 15146:2006 (E) 2 Contents Page Foreword.3 Introduction.4 1 Scope.5 2 Normative references.5 3 Terms and definitions.6 4 Symbols and abbreviations.6 5 Requirements.6 5.1 General.6 5.2 Appearance and finishing.6 5.2.1 General.6 5.2.2 Grading classes.7 5.2.3 Free grade.11 5.3 Moisture content.11 5.4 Geometrical characteristics.11 5.4.1 General.11 5.4.2 Profiles.11 5.4.3 Dimensions and tolerances.12 5.4.4 Machining.14 5.5 Technical specifications.14 6 Sampling.15 7 Designation.15 Annex A (normative)
Sampling.16 Annex B (informative)
Principles for the classification of the free grade.17 Bibliography.18



EN 15146:2006 (E) 3 Foreword This document (EN 15146:2006) 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 given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2007, and conflicting national standards shall be withdrawn at the latest by June 2007. This standard is one of a series of standards concerning solid wood panelling and cladding and wood flooring (including parquet). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, 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.



EN 15146:2006 (E) 4 Introduction This standard describes characteristics of solid softwood panelling and cladding based on individual elements.



EN 15146:2006 (E) 5 1 Scope This European Standard defines the characteristics of solid wood panelling and cladding without tongue and groove on edges, machined from the following most common European species of softwood: spruce/fir, pine, larch, European Douglas fir and maritime pine.
Products are intended for interior or exterior use. Coatings and finishings are not dealt with in this European Standard. NOTE products sold in the European Economic Area will have to comply with EN 14915. 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 amendments) applies. EN 350-2, Durability of wood and wood-based products - Natural durability of solid wood - Part 2: Guide to natural durability and treatability of selected wood species of importance in Europe
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 relating to moisture content EN 844-5:1997, Round and sawn timber - Terminology - Part 5: Terms relating to dimensions of round timber 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 844-8:1997, Round and sawn timber - Terminology - Part 8: Terms relating to features of round timber EN 844-9:1997, Round and sawn timber - Terminology - Part 9: Terms relating 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: Additional terms and general index EN 1309-1:1997, Round and sawn timber- Method of measurement of dimensions – Part 1: Sawn timber EN 1310:1997, Round and sawn timber - Method of measurement of features EN 13183-1, Moisture content of a piece of sawn timber – Part 1: Determination by oven dry method EN 13183-2, Moisture content of a piece of sawn timber – Part 2: Estimation by electrical resistance method EN 13556, Round and sawn timber – Nomenclature of timbers used in Europe EN 13647, Wood and parquet flooring and wood panelling and cladding – Determination of geometrical characteristics EN 13756:2002, Wood flooring – Terminology



EN 15146:2006 (E) 6 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 13756:2002,
EN 844-3:1995, EN 844:1997 parts 4 through 9, EN 844:1998 parts 10 and 11, EN 844-12:2000,
EN 1309-1:1997 and the following apply. 3.1 panelling and cladding without tongue and groove boards of solid wood without “tongue and groove” which have been machined on the face and two edges.
NOTE The back is either machined or hit and/or missed, depending on the product. For special purposes (for instance, acoustic) the edges may have fastening slots. The ends of the boards may be end matched 3.2 end matching any profile for connection at the end of the panelling or cladding including tongue and/or groove 3.3 panelling elements of solid wood mainly for interior use 3.4 cladding elements of solid wood mainly for exterior use 3.5 face visible surface of an element NOTE Includes edges and chamfer. 4 Symbols and abbreviations Symbols and abbreviations used in this European Standard are given in Figure 1 and in Table 3 and Table 4. 5 Requirements 5.1 General The softwood species shall be selected with regard to the appearance expected, the suitability for the intended purpose and the general characteristics of the species itself. All requirements apply at the time of production unless the manufacturer states otherwise. 5.2 Appearance and finishing 5.2.1 General Grading applies to the face only, unless otherwise specified.
Machining requirements are covered in 5.4.4 and apply to all grades of all species. Natural variation within a single species is generally accepted as a common feature of wood and is not considered for classification of appearance, with the exception of free grade. Measuring features shall be in accordance with EN 1310. Concerning knots the general method in EN 1310:1997, 4.1.1, applies. The boards may be finished with surface coating. The grading shall be done before coating.



EN 15146:2006 (E) 7 5.2.2 Grading classes Grading and the features for spruce (Picea spp.) / fir (Abies spp.), pine (Pinus spp.), larch (Larix spp.) and European Douglas Fir (Pseudotsuga menziesii) are given in Table 1. Grading and the features for Maritima Pine (pinus pinaster) are given in Table 2. For free class, see clause 5.2.3.
Table 1 — Grading classes of the wood species - Spruces (Picea spp.), fir (Abiea spp.), pine (Pinus spp.), larch (Larix spp.), and European Douglas fir (Pseudotsuga menziesii) Features a b c Grade A Grade B Knots permitted: - black pin knots up to 5 mm if not in clusters; - sound intergrown knots up to 10 % of the width plus 30 mm; - partially intergrown knots, barkringed knots, splay knots and dead knots (not loose); - spruce/fir, and larch: up to 10 % of the width plus15 mm; - pine, and Douglas Fir: up to 10 % of the
width plus 30 mm; - occasional small missing and damaged arris knots up to 20 % of the largest acceptable knot size provided coverage is not affected; - knot-plugs of the same wood species, up to the largest allowed knot size. not permitted: - loose knots, knot-holes and unsoun
...

EUROPEAN STANDARD
DRAFT
prEN 15146
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2005
ICS
English version
Solid softwood panelling and cladding - Machined profiles
without tongue and groove
Lambris et bardages en bois massif résineux - Profilés Innen- und Außenbekleidungen aus massivem Nadelholz -
usinés sans rainure et languette Profilholz ohne Nut und Feder
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 175.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same
status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15146:2005: E
worldwide for CEN national Members.

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prEN 15146:2005 (E)
Contents Page
Foreword.3
Introduction .4
1 Scope.5
2 Normative references.5
3 Terms and definitions .5
4 Symbols and abbreviations .6
5 Requirements.6
5.1 General.6
5.2 Appearance and finishing.6
5.2.1 General.6
5.2.2 Grading classes.6
5.2.3 Free Grade.11
5.3 Moisture content.11
5.4 Geometrical characteristics.11
5.4.1 General.11
5.4.2 Profiles.11
5.4.3 Dimensions and tolerances .12
5.4.4 Machining.14
5.5 Technical specifications.14
6 Sampling.15
7 Designation.15
Annex A (informative) Sampling in case of dispute .16
Annex B (informative) Principles for the classification of the free grade .17
Bibliography .18

2

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prEN 15146:2005 (E)
Foreword
This document (prEN 15146:2005) has been prepared by Technical Committee CEN/TC 175 “Round and
sawn timber”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
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).
This standard is one of a series of standards concerning solid wood panelling and cladding and wood flooring
(including parquet).
3

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prEN 15146:2005 (E)
Introduction
In this standard the characteristics of solid softwood panelling and cladding are described on the basis of
individual elements.
4

---------------------- Page: 4 ----------------------
prEN 15146:2005 (E)
1 Scope
This European standard defines the characteristics of solid wood panelling and cladding without tongue and
groove machined from the following most common european species of softwood: spruce/fir, pine, larch,
European Douglas fir and maritime pine.
Products are intended for interior or exterior use.
NOTE products sold in the European Economic Area will have to comply with prEN 14915 under preparation.
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 amendments) applies.
EN 844-3 to EN 844-12, Round and sawn timber - Terminology.
EN 1309-1, Round and sawn timber- Method of measurement of dimensions – part 1 : Sawn timber
EN 1310, Round and sawn timber - Method of measurement of features
EN 1311, Round and sawn timber - Method of measurement of biological degrade
EN 13183-1, Moisture content of a piece of sawn timber – Part 1 : Determination by oven dry method
EN 13183-2, Moisture content of a piece of sawn timber – Part 2 : Estimation by electrical resistance method
prEN 13307-1, Timber blanks and semi-finished profiles for non-structural uses – Part 1: Requirements
EN 13556, Round and sawn timber – Nomenclature of timbers used in Europe
EN 13647, Wood and parquet flooring and wood panelling and cladding – Determination of geometrical
characteristics
EN 13756, Wood flooring – Terminology
3 Terms and definitions
For the purposes of this European Standard, the terms and definitions given in EN 13756, EN 844-3 to EN
844-12, EN 1309-1 and the following apply.
3.1
panelling and cladding without tongue and groov
bards of solid wood without “tongue and groove” which have been machined on the face and two edges. The
back is either machined or hit and/or missed, depending on the product. For special purposes (for instance,
acoustic) the edges may have fastening slots. The ends of the boards may be endmatched
3.2
endmatching
any profile for connection at the end of the panelling or cladding, including tongue and groove
3.3
panelling
rigid or semi-rigid elements of solid wood mainly for interior use
5

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prEN 15146:2005 (E)
3.4
cladding
rigid or semi-rigid elements of solid wood mainly for exterior use
3.5
face
visible surface of an element
4 Symbols and abbreviations
Symbols and abbreviations used in this European Standard are given in Figure 1 and in Tables 3 and 4.
5 Requirements
5.1 General
The softwood species shall be selected with regard to the appearance expected, the suitability for the
intended purpose and the general characteristics of the species itself. All requirements apply at the time of
production, unless the manufacturer states otherwise.
5.2 Appearance and finishing
5.2.1 General
Grading applies to the face only, unless otherwise specified. Machining requirements are covered in 5.4.4
and apply to all grades of all species.
The measurement of features shall be in accordance with EN 1310. Concerning knots the general method
given in clause 4.1.1 in EN 1310 applies.
The boards may be finished with surface coating. The grading shall be done before coating.
5.2.2 Grading classes
Grading and the features for spruce (Picea spp.) / fir (Abies spp.), pine (Pinus spp.), larch (Larix spp.) and
European Douglas Fir (Pseudotsuga menziesii) are given in Table 1. Grading and the features for Maritima
Pine (pinus pinaster) are given in Table 2.
6

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prEN 15146:2005 (E)
Table 1 — Grading classes of the wood species - Spruces (Picea spp.), fir (Abiea spp.), pine (Pinus
spp.), larch (Larix spp.), and European Douglas fir (Pseudotsuga menziesii)
a b c
Features Grade A Grade B
Knots permitted: permitted:
- black pin knots up to 5 mm if not in - black pin knots up to 5 mm;
clusters;
- sound intergrown knots, partially
- sound intergrown knots up to 10 % of intergrown knots, barkringed knots, splay
width + 35 mm; knots, and dead knots up to 10 % of
width + 50 mm;
- partially intergrown knots, barkringed
knots, splay knots and dead knots (not - occasional loose knots, knot-holes and
loose) unsound knots up to 15 mm;
spruce/fir, and larch: up to 10 % of width - knot plugs of the same wood species.
+15 mm
pine, and Douglas Fir: up to 10 % of
width +30 mm;
-occasional small missing and damaged
arris knots up to 20% of the largest
acceptable knot size provided coverage
is not affected
- knot-plugs of the same wood species,
up to the largest allowed knot size.
not permitted:
- loose knots, knot-holes and unsound
knots



7

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prEN 15146:2005 (E)
a b c
Features Grade A Grade B
Chipped Grain permitted permitted
(machined with knots: up to 20 % of knot area; with knots: up to 40 % of knot area;
damaged spots) with other spots up to 20 % of the with other spots up to 40 % of the
maximum knot size (one per m)
maximum knot size.
Compression permitted
wood
Deformation permitted if correct fastening is possible
Stick marks Not permitted permitted
Resin pockets permitted: permitted:
- up to the size of 2 mm x 35 mm or
equal in mm²
- occasionally up to the size of 2 mm x
25 mm or equal in mm² unlimited
- 1 resin pocket up to the size of 5 mm x - 3 resin pockets up to the width of 6
50 mm or equal in mm² per 1,5 m in mm and a total length of 150 mm or
lengt
...

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