ISO 17959:2014
(Main)General requirements for solid wood flooring
General requirements for solid wood flooring
ISO 17959:2014 specifies the requirements and test methods of characteristics of solid wood flooring boards for internal (interior) use as flooring. It also specifies packaging and marking requirements. It is applicable to both finished and unfinished solid wood flooring board. Solid wood parquet is not covered.
Exigences générales pour revêtements de sol en bois massif
General Information
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 17959
First edition
2014-12-15
General requirements for solid wood
flooring
Exigences générales pour revêtements de sol en bois massif
Reference number
ISO 17959:2014(E)
©
ISO 2014
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ISO 17959:2014(E)
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ISO 17959:2014(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 4
4.1 Moisture content . 4
4.2 Geometrical characteristics . 4
4.3 Paint film performance . 5
4.4 Grading. 5
4.5 Other declarations at the time of the first delivery . 6
5 Test methods . 6
5.1 Geometrical characteristics . 6
5.2 Test of moisture content and paint film performance . 6
6 Packaging . 7
7 Marking . 7
Annex A (normative) Test methods of measuring geometrical characteristics .9
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ISO 17959:2014(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each 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.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any
patent rights identified during the development of the document will be in the Introduction and/or on
the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
to Trade (TBT), see the following URL: Foreword — Supplementary information.
The committee responsible for this document is ISO/TC 218, Timber.
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INTERNATIONAL STANDARD ISO 17959:2014(E)
General requirements for solid wood flooring
1 Scope
This International Standard specifies the requirements and test methods of characteristics of solid
wood flooring boards for internal (interior) use as flooring. It also specifies packaging and marking
requirements.
It is applicable to both finished and unfinished solid wood flooring board. Solid wood parquet is not
covered.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 2409, Paints and varnishes — Cross-cut test
ISO 3130:1975, Wood — Determination of moisture content for physical and mechanical tests
ISO 15184, Paints and varnishes — Determination of film hardness by pencil test
ISO 24294, Timber — Round and sawn timber — Vocabulary
ISO 16415, Non-structural timber grading requirements
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 24294 and the following apply.
3.1
solid wood flooring
assembly of individual solid wood boards installed either on the primary structure or on the sub-floor
3.2
solid wood flooring board
long solid (single-layer) wood piece with parallel sides prepared to a regular thickness and constant
profile(s) with or without profiled edges and/or ends, capable of being assembled with other analogous
wood pieces
Note 1 to entry: See Figure 1.
a) With profiled edges and/or ends b) Without profiled edges and/or ends
Key
1 face
2 end
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ISO 17959:2014(E)
3 edge
4 back
Figure 1 — Example of solid wood flooring board
3.3
finished solid wood flooring board
flooring board that has been surface-coated with lacquer, wax, oil, etc.
3.4
unfinished solid wood flooring board
flooring board without any surface coating
3.5
lipping
mismatch
difference in height between two adjacent faces of assembled flooring boards when laid on a flat surface
Note 1 to entry: See Figure 2
Key
1 lipping
2 face
Figure 2 — Example of lipping
3.6
bow
lengthwise curvature of a flooring board perpendicular to the face
Note 1 to entry: See Figure 3.
Key
1 bow
Figure 3 — Example of bow
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ISO 17959:2014(E)
3.7
cup
curvature of a flooring board across the width of the face
Note 1 to entry: See Figure 4.
Key
1 cup
Figure 4 — Example of cup
3.8
spring
lengthwise curvature of a flooring board perpendicular to the edge
Note 1 to entry: See Figure 5.
Key
1 spring
Figure 5 — Example of spring
3.9
twist
distortion of a solid wood flooring board in which one corner is out of the plane of the other three corners
Note 1 to entry: See Figure 6.
Key
1 twist
Figure 6 — Example of twist
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ISO 17959:2014(E)
4 Requirements
4.1 Moisture content
Unless otherwise agreed on the order between buyer and supplier, individual solid wood flooring board
shall have moisture content before the shipment of the first delivery between 6 % and the average
equilibrium moisture content of the wood found in the customer’s local climate.
NOTE For instance, the moisture content in France is between 7 % and 11 %.
4.2 Geometrical characteristics
4.2.1 General
Unless otherwise agreed on the order between buyer and supplier, all dimensions of solid wood flooring
board shall be given at a reference moisture content of 9 %. Unless there is evidence to the contrary,
it shall be assumed that the thickness and width of a piece of timber increase by 0,25 % for every 1 %
of moisture content above the reference moisture content, and decrease by 0,25 % for every 1 % of
moisture content below the reference moisture content.
4.2.2 Dimensions and tolerance
4.2.2.1 Dimensions
The common dimensions are given in Table 1.
Table 1 — Dimensions for solid wood flooring board
Dimensions in millimetres
Thickness Width Length
≥10 ≥90 ≥ 400
NOTE The length and width of the solid wood flooring board refer to face size of the solid wood flooring
board.
4.2.2.2 Tolerances
Unless otherwise agreed on the order between buyer and supplier, solid wood flooring board shall have
the tolerances of dimensions at the time of the first delivery given in Table 2.
Table 2 — Tolerances
Dimensions in millimetres
Dimension Tolerance
Length ±2,0
Width ±1,0
Thickness ±1,0
Lipping (mismatch) ≤0,5
4.2.3 Deformation
4.2.3.1 General
Unless otherwise agreed on the order between buyer and supplier, the deformation limitations shall
meet the requirements in 4.2.3.2 to 4.2.3.5.
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ISO 17959:2014(E)
4.2.3.2 Cup
The cup shall not exceed 0,7 % of the width at the time of the first delivery.
4.2.3.3 Bow
The bow shall be evaluated taking into account the length and the method of laying.
If the flooring boards are to be installed by gluing only, this shall be stated when ordering. For such
flooring boards, the bow shall not exceed 0,5 % of the length at the time of the first delivery.
If the flooring boards are to be installed by nailing, the limit for the bow shall be determined by their
suitability to be laid using commercially available equipment.
4.2.3.4 Spring
The spring shall be evaluated taking into account the length.
For lengths not exceeding 1 m, the spring shall not exceed 0,1 % of the considered length at the time of
the first delivery.
For lengths more than 1 m, the spring shall not exceed 0,2 % of the considered length at the time of the
first delivery.
4.2.3.5 Twist
The twist shall be evaluated taking into account the length and the method of laying.
If the flooring boards are to be installed by gluing only, this shall be stated when ordering. For such
flooring boards, the twist shall not exceed 0,15 % of the length at the time of the first delivery.
If the flooring boards are to be installed by nailing, the limit for the twist shall be determined by its
suitability to be laid using commercially available equipment.
4.2.4 Squareness and other angular deviations
The deviation from all the 90° angles and from required angles for specific patterns shall not exceed
0,2 % measured across the width.
4.3 Paint film performance
4.3.1 This subclause is only applicable to finished solid wood flooring board coated with paint sand;
it is not applicable to finished solid wood flooring board coated with oil, wax and unfinished solid wood
floor
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