EN 14915:2013+A1:2017

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wand- und Deckenbekleidungen aus Massivholz - Eigenschaften, Anforderungen und KennzeichnungLambris et bardages en bois - Caractéristiques, exigences et marquageSolid wood panelling and cladding - Characteristics, requirements and marking79.080Polizdelki iz lesaSemi-manufactures of timberICS:Ta slovenski standard je istoveten z:EN 14915:2013+A1:2017SIST EN 14915:2013+A1:2017en,fr,de01-september-2017SIST EN 14915:2013+A1:2017SLOVENSKI
STANDARDSIST EN 14915:20131DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14915:2013+A1
June
t r s y ICS
y {ä r z r Supersedes EN
s v { s wã t r s uEnglish Version
Solid wood panelling and cladding æ Characteristicsá requirements and marking Lambris et bardages en bois æ Caractéristiquesá exigences et marquage
Wandæ und Deckenbekleidungen aus Massivholz æ Eigenschaftená Anforderungen und Kennzeichnung This European Standard was approved by CEN on
z August
t r s u and includes Amendment
s approved by CEN on
s r April
t r s yä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s v { s wã t r s u ªA sã t r s y ESIST EN 14915:2013+A1:2017

Page European foreword . 3 1 Scope . 4 2 Normative references . 4 3 Terms and definitions . 5 4 Durability against biological attack . 5 4.1 Biological durability . 5 4.2 !Wood" treated against biological attack. 6 5 Testing, assessment and sampling methods . 6 5.1 Reaction to fire . 6 5.2 Dangerous substances . 8 5.3 Release of other dangerous substances . 9 5.4 Water vapour permeability . 9 5.5 Sound absorption . 9 5.6 Thermal conductivity . 10 5.7 Resistance to fixing . 10 6 Assessment and verification of constancy of performance - AVCP . 10 6.1 General . 10 6.2 Type testing . 11 6.3 Factory production control (FPC) . 14 7 Marking, labelling and packaging . 18 Annex A (informative)
Simplified encoding system for solid wood panelling and cladding20 Annex B (informative)
General consideration regarding durability of wood . 21 B.1 General precautions (based on EN 335:2013) . 21 B.2 Natural or conferred durability of solid wood (extract from EN 335:2013) . 21 B.3 Construction . 22 Annex C (normative)
Formaldehyde classes . 23 C.1 General . 23 C.2 Panelling and cladding to be tested . 23 C.3 Materials to be tested . 23 Annex ZA (informative)
Relationship of this European Standard with Regulation (EU)
No. 305/2011 . 25 ZA.1 Scope and relevant characteristics . 25 ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 26 ZA.3 Assignment of AVCP tasks . 26 Bibliography . 29
¶ 20 mm behind D - s2,d 0 18/12 Without air gap or with open air gap behind Wood ribbon elements h Wood pieces mounted on a support frame i 390 18 Surrounded by open air on all sides j D - s2,d 0 a Mounted mechanically on a wood batten support frame, with the gap closed or filled with a substrate of at least class A2 - s1, d0 with minimum density of 10 kg/m3 or filled with a substrate of cellulose insulation material of at least class E and with or without a vapour barrier behind. The wood product shall be designed to be mounted without open joints. b Mounted mechanically on a wood batten support frame, with or without an open air gap behind. The wood product shall be designed to be mounted without open joints. c Class as provided for in Table 1 of the annex to Commission Decision 2000/147/EC. d An open air gap may include possibility for ventilation behind the product, while a closed air gap will exclude such ventilation. The substrate behind the air gap shall be of at least class A2 - s1, d0 with a minimum density of 10 kg/m3. Behind a closed air gap of maximum 20 mm and with vertical wood pieces, the substrate may be of at least class D - s2, d0. e Joints include all types of joints, e.g. butt joints and tongue and groove joints. f Conditioned according to EN 13238. g As illustrated in Figure 1 below. Profiled area of the exposed side of the panel not more than 20 % of the plane area, or 25 % if measured at both exposed and unexposed side of the panel. For butt joints, the larger thickness applies at the joint interface. h Rectangular wood pieces, with or without rounded corners, mounted horizontally or vertically on a support frame and surrounded by air on all sides, mainly used close to other building elements, both in interior and exterior applications. i Maximum exposed area (all sides of rectangular wood pieces and wood support frame) not more than 110 % of the total plane area, see Figure 2. j Other building elements closer than 100 mm from the wood ribbon element (excluding its support frame) shall be of at least class A2 - s1, d0, at distances 100 mm - 300 mm of at least class B - s1, d0 and at distances more than 300 mm of at least class D - s2, d0.
1) This table and Figures 1 and 2 correspond to Table 2 and Figures a and b respectively of the Commission Decision 2006/213/EC (OJEU L79/27 of 16.3.2006). SIST EN 14915:2013+A1:2017

Table 1 (continued)
Figure 1 — Profiles for solid wood panelling and cladding
Maximum exposed area of wood ribbon element:
where n is number of wood pieces per metre t is thickness of each wood piece, in metre w is width of each wood piece, in metre a is exposed area of wood support frame (if any), in m2, per m2 of wood ribbon element Figure 2 — Maximum exposed area 5.2 Dangerous substances 5.2.1 Formaldehyde release2) The formaldehyde release of solid wood panelling and cladding products shall be determined according to Annex C. The declared values !shall be" expressed in term of classes. 5.2.2 Content of pentachlorophenol Solid wood panelling and cladding as such, without chemical treatment, without adhesive, without coating or finishing, does not contain PCP. If the product contains raw materials that include PCP (may concern only soft wood treated against blue stain), then the product shall be tested in accordance with CEN/TR 14823. In case the value of 5 × 10-6n is exceeded, the indication “PCP > 5 × 10-6n shall be added to the marking. In case the value is less than 5 × 10-6n, the indication PCP
¶
w
­
s r-6n shall be added to the marking.
2) Products CE marked according to this European Standard emitting formaldehyde above class E1 might be prohibited in some Member States. SIST EN 14915:2013+A1:2017

20 20 50
50 50 200
a For other densities, interpolation is possible. 5.5 Sound absorption If the sound absorption coefficient of a product is required, it shall either be taken from Table 3 or, if the manufacturer wishes to declare a better value, obtained by testing the product as assembled panelling to
EN ISO 354 and the result expressed according to EN ISO 11654. NOTE The sound absorption depends on finishing, geometrical characteristics, etc. Table 3 — Sound absorption coefficient Wood type Sound absorption coefficient Frequency range 250 Hz to 500 Hz Frequency range 1 000 Hz to 2 000 Hz Solid wood panelling and cladding 0,10 0,30
3) EN ISO 10456 is currently impacted by EN ISO 10456:2007/AC:2009. SIST EN 14915:2013+A1:2017

is the thermal conductivity, in W/m.K. Table 4 — Design thermal conductivity values () (in conformity with EN ISO 10456) Wood type Mean densitya
at a moisture content of 12 % in kg/m3 Thermal conductivity
in W/(m.K) (design value) Solid wood 300 400 500 600 700 1 000 0,09 0,11 0,13 0,15 0,18 0,24 a
5.7 Resistance to fixing Resistance to fixing of solid wood is dependent on species and with higher density hardwoods may necessitate pre-drilling, especially if the wood has been dried. For wood species with an average density greater than 600 kg/m3 (at 20 % moisture content) the manufacturer shall indicate whether pre-drilling is either advisable or necessary. When mechanically fixed (by means of nails, anchors, etc.) to walls/ceiling, the panelling/cladding shall be designed to take into account its own weight and other possible loads acting on it, e.g. wind load. ! 6 Assessment and verification of constancy of performance - AVCP 6.1 General The compliance of solid wood panelling product and cladding product with the requirements of this standard and with the performance declared by the manufacturer in the DoP shall be demonstrated by: determination of the product-type on the basis of type testing; factory production control by the manufacturer, including product assessment.
λtR=SIST EN 14915:2013+A1:2017

Assessment previously performed in accordance with the provisions of this standard, may be taken into account provided that they were made to the same or a more rigorous test method, under the same AVCP system on the same product-type, such that the results are applicable to the product in question. NOTE 1 Same AVCP system means testing by an independent third party laboratory where relevant, under the responsibility of a notified product certification body where relevant.
For the purposes of assessment, the manufacturer's products may be grouped into families, where it is considered that the results for one or more characteristics from any one product within the family are representative for that same characteristics for all products within that same family. NOTE 2 Products may be grouped in different families for different characteristics. Reference to the assessment method standards should be made to allow the selection of a suitable representative sample. In addition, the determination of the product-type shall be performed for all essential characteristics included in the standard for which the manufacturer declares the performance: — at the beginning of the production of a new or modified solid wood panelling product and cladding product (unless it is a member of a same product range), or — at the beginning of a new or modified method of production (where this may affect the stated properties); or — they shall be repeated for the appropriate essential characteristic(s), whenever a change occurs in the solid wood panelling product and cladding product design, in the raw material or in the supplier of the components, or in the method of production (subject to the definition of a family), which would affect significantly one or more of the performance. Where components are used whose performance have already been determined, by the component manufacturer, on the basis of assessment methods of other product standards, these performance need not be re-assessed. The specifications of these components shall be documented. Products bearing regulatory marking in accordance with appropriate harmonized European specifications may be presumed to have the performance declared in the DoP, although this does not replace the responsibility on solid wood panelling product and cladding product manufacturer to ensure that the solid wood panelling product and cladding product as a whole is correctly manufactured and its component products have the declared performance values. 6.2.2 Test samples, testing and compliance criteria The number of samples of solid wood panelling product and cladding product to be tested/assessed shall be in accordance with Table 5. SIST EN 14915:2013+A1:2017

No. of samples [to be assessed] Compliance criteria
Reaction to fire 5.1 Table 1 or
EN 13501-1 CWFT,
see Table 1 EN 13501-1 Table 1 Classes according to
EN 13501-1 Release of dangerous substances Release of formaldehyde 5.2.1 Annex C see Annex C Only for internal use
According to Annex C
E1 or E2
Content of pentachlorophenol 5.2.2 CEN/TR 14823 See
CEN/TR 14823 Only for internal use
according to CEN/TR 14823
> 5 × 10-6n or
¶
w
­
s r-6n
Release of other dangerous substances 5.3 - As relevant according to 5.3 Only for internal use
As relevant acc. to 5.3 Water vapour permeability 5.4 Table 2 or
EN ISO 12572 - Not when there is an air gap between cladding/panelling and wall. Tested in accordance with 5.4 and value not under declared value. Sound absorption 5.5 Table 3 or
EN ISO 354 - Only for internal use
Value not under declared value Thermal resistance expressed as thermal conductivity 5.6 5.6 - Only for internal use
See 5.6 Value not under declared value Resistance to fixings 5.7 5.7 - See 5.7 Durability
- Natural durability in accordance with EN 350 Value same as the declared value Wood treated against biological attack 4.2 See 4.2.1 - See 4.2.1 6.2.3 Test reports The results of the determination of the product type shall be documented in test reports. All test reports shall be retained by the manufacturer for at least 10 years after the last date of production of the solid wood panelling product and cladding product to which they relate. 6.2.4 Shared other party results A manufacturer may use the results of the product type determination obtained by someone else (e.g. by another manufacturer, as a common service to manufacturers, or by a product developer), to justify his own declaration of performance regarding a product that is manufactured according to the same design and with raw materials, constituents and manufacturing methods of the same kind, provided that: — the results are known to be valid for products with the same essential characteristics relevant for the product performance; — in addition to any information essential for confirming that the product has such same performances related to specific essential characteristics, the other party who has carried out the determination of the product type concerned or has had it carried out, has expressly accepted4) to transmit to the manufacturer the results and the test report to be used for the latter’s product type determination, as well as information regarding production facilities and the production control process that can be taken into account for FPC;
— the manufacturer using other party results accepts to remain responsible for the product having the declared performances and he also:
— ensures that the product has the same characteristics relevant for performance asthe one that has been subjected to the determination of the product type, and that there are no significant differences with regard to production facilities and the production control process compared to that used for the product that was subjected to the determination of the product type;
— keeps available a copy of the determination of the product type report that also contains the information needed for verifying that the product is manufactured according to the same design and with raw materials, constituents and manufacturing methods of the same kind.
4) The formulation of such an agreement can be done by licence, contract, or any other type of written consent. . SIST EN 14915:2013+A1:2017

The responsibility, authority and the relationship between personnel that manages, performs or verifies work affecting constancy of performance of the product, shall be defined. This applies in particular to personnel that need to initiate actions preventing product non-constancies of performance of the product from occurring, actions in case of non-constancies of performance of the product and to identify and register product constancy of performance of the product problems.
The competence (e.g. on the basis of education, training, skills, or experience) of personnel performing work affecting the constancy of performance of the product shall be recorded.
In each factory the manufacturer may delegate the action to a person having the necessary authority to: — identify procedures to demonstrate constancy of performance of the product at appropriate stages; — identify and record any instance of non-constancy of performance; — identify procedures to correct instances of non-constancy of performance. The manufacturer shall draw up and keep up-to-date documents defining the factory production control. The manufacturer's documentation and procedures should be appropriate to the product and manufacturing process. The FPC system should achieve an appropriate level of confidence in the constancy
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