EN 13171:2012

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Toplotnoizolacijski proizvodi za stavbe - Proizvodi iz lesnih vlaken (WF) - SpecifikacijaWärmedämmstoffe für Gebäude - Werksmäßig hergestellte Produkte aus Holzfasern (WF) - SpezifikationProduits isolants thermiques pour le batiment - Produits manufacturés en fibres de bois (WF) - SpécificationThermal insulation products for buildings - Factory made wood fibre (WF) products - Specification91.100.60Thermal and sound insulating materialsICS:Ta slovenski standard je istoveten z:EN 13171:2012SIST EN 13171:2013en,fr,de01-marec-2013SIST EN 13171:2013SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13171
November 2012 ICS 91.100.60 Supersedes EN 13171:2008English Version
Thermal insulation products for buildings - Factory made wood fibre (WF) products - Specification
Produits isolants thermiques pour le bâtiment - Produits manufacturés en fibres de bois (WF) - Spécification
Wärmedämmstoffe für Gebäude - Werksmäßig hergestellte Produkte aus Holzfasern (WF) - Spezifikation This European Standard was approved by CEN on 6 October 2012.
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. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists 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 CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13171:2012: ESIST EN 13171:2013

Determination of the declared values of thermal resistance and thermal conductivity . 25A.1General . 25A.2Input data . 25A.3Declared values. 25A.3.1General . 25A.3.2Case where thermal resistance and thermal conductivity are declared . 25A.3.3Case where only thermal resistance is declared . 26Annex B (normative)
Initial type testing (ITT) and factory production control (FPC) . 28Annex C (normative)
WF multi-layered thermal insulation products . 31C.1General . 31C.2Requirements . 31C.2.1For all applications . 31C.2.2For specific applications . 32C.3Test methods . 32C.4Evaluation of conformity . 32Annex D (normative)
Determination of the thermal conductivity in relation to moisture content . 33Annex E (informative)
Additional properties . 35E.1General . 35E.2Bending strength . 35E.3Shear strength . 35Annex F (informative)
Examples for the determination of the declared values of thermal resistance and thermal conductivity for a product or a product group . 36F.1Case where both thermal resistance and thermal conductivity are declared . 36F.2Case where only thermal resistance is declared . 37SIST EN 13171:2013

Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 39ZA.1Scope and relevant characteristics . 39ZA.2Procedures for attestation of conformity of factory made wood fibre products . 41ZA.2.1Systems of attestation of conformity . 41ZA.2.2EC certificate and declaration of conformity . 44ZA.3CE Marking and labelling . 46Bibliography . 48 Tables Table 1 — Level and classes for thickness tolerances . 12Table 2 — Dimensional stability under specified temperature and humidity conditions . 13Table 3 — Levels for compressive stress or compressive strength . 14Table 4 — Levels for tensile strength perpendicular to faces . 15Table 5 — Levels for short term water absorption by partial immersion . 16Table 6 — Classes for thickness tolerances . 17Table 7 — Levels for compressibility . 17Table 8 — Test methods, test specimens and conditions . 21Table A.1 — Values for k for one sided 90 % tolerance interval with a confidence level of 90 % . 27Table B.1 — Minimum number of tests for ITT and minimum product testing frequencies . 28Table B.3 — Minimum product testing frequencies for the reaction to fire characteristics . 30Table E.1 — Test methods, test specimens, conditions and minimum testing frequencies . 35Table F.1 — λ test results . 36Table F.2 — R test results . 37Table ZA.1 — Relevant clauses for wood fibre products and intended use . 40Table ZA.1 — Relevant clauses for wood fibre products and intended use . 41Table ZA.2 — Systems of attestation of conformity . 42Table ZA.3.1 — Assignment of evaluation of conformity tasks for products under system 1 for reaction to fire and system 3 for other characteristics . 43Table ZA.3.2 — Assignment of evaluation of conformity tasks for products under system 3 or
system 3 combined with system 4 for reaction to fire . 44 Figures Figure D.1 — Example of a graphic representation of “fψ” . 34Figure ZA.1 — Example CE marking information . 47 SIST EN 13171:2013

new normative annex on multi-layer products; c) changes of some editorial and technical content and addition of information on some specific items such as for WF: determination of thermal conductivity in relation to moisture content, thickness, compressive stress or compressive strength, tensile strength perpendicular to faces; d)
addition of links to EN 15715, Thermal insulation products – Instructions for mounting and fixing for reaction to fire testing – Factory made products; e)
changes of Annex ZA. This European Standard is one of a series of standards for insulation products used in buildings, but this standard may be used in other areas where appropriate. In pursuance of Resolution BT 20/1993 revised, CEN/TC 88 have proposed defining the standards listed below as a package of European Standards, setting 21 months after availability as the date of withdrawal (dow) of national standards which conflict with the European Standards of this package. The package of standards comprises the following group of interrelated standards for the specifications of factory made thermal insulation products, all of which come within the scope of CEN/TC 88: EN 13162, Thermal insulation products for buildings — Factory made mineral wool (MW) products —Specification EN 13163, Thermal insulation products for buildings — Factory made expanded polystyrene (EPS) products — Specification EN 13164, Thermal insulation products for buildings — Factory made extruded polystyrene foam (XPS) products — Specification SIST EN 13171:2013

According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
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. EN 822, Thermal insulating products for building applications — Determination of length and width EN 823, Thermal insulating products for building applications — Determination of thickness EN 824, Thermal insulating products for building applications — Determination of squareness EN 825, Thermal insulating products for building applications — Determination of flatness EN 826, Thermal insulating products for building applications — Determination of compression behaviour EN 1602, Thermal insulating products for building applications — Determination of the apparent density EN 1603, Thermal insulating products for building applications — Determination of dimensional stability under constant normal laboratory conditions (23 °C/50 % relative humidity) EN 1604, Thermal insulating products for building applications — Determination of dimensional stability under specified temperature and humidity conditions EN 1606, Thermal insulating products for building applications — Determination of compressive creep EN 1607, Thermal insulating products for building applications — Determination of tensile strength perpendicular to faces
1) Wood fibre products for applications other than thermal insulation are covered by EN 316. SIST EN 13171:2013

(ISO 9053) EN ISO 354, Acoustics — Measurement of sound absorption in a reverberation room (ISO 354) EN ISO 9229:2007, Thermal insulation - Vocabulary (ISO 9229:2007) EN ISO 10456:2007, Building materials and products — Hygrothermal properties —Tabulated design values and procedures for determining declared and design thermal values (ISO 10456:2007) EN ISO 11654, Acoustics — Sound absorbers for use in buildings — Rating of sound absorption (ISO 11654) EN ISO 11925-2, Reaction to fire tests — Ignitability of products subjected to direct impingement of flame — Part 2: Single-flame source test (ISO 11925-2) ISO 16269-6:2005, Statistical interpretation of data — Part 6: Determination of statistical tolerance intervals SIST EN 13171:2013

Wood fibre products are manufactured as mat, batt, felt, roll, lamella roll and board (slab). 3.1.2 level value which is the upper or lower limit of a requirement and given by the declared value of the characteristic concerned 3.1.3 class combination of two levels of the same property between which the performance shall fall 3.1.4 board, slabs rigid or semi-rigid (insulation) product of rectangular shape and cross section in which the thickness is uniform and substantially smaller than the other dimensions Note 1 to entry
Boards are usually thinner than slabs. They may also be supplied in tapered form. 3.1.5 facings functional or decorative surface layer with a thickness of less than 3 mm, e.g. paper, plastics film, fabric or metal foil, which is not considered as separate thermal insulation layer to be added to the thermal resistance of the product 3.1.6 coating functional or decorative surface layer with a thickness of less than 3 mm usually applied by painting, spraying, pouring or trowelling 3.1.7 composite insulation product product which can be faced or coated made from two or more layers bonded together by chemical or physical adhesion consisting of at least one factory made thermal insulation material layer
3.1.8 multi-layered insulation product product which can be faced or coated made from two or more layers of a thermal insulation material from the same European Standard, which are bonded together horizontally by chemical or physical adhesion 3.2 Symbols, units and abbreviated terms For the purposes of this document, the following symbols and units apply. αp is the practical sound absorption coefficient – aw is the weighted sound absorption coefficient – SIST EN 13171:2013

mm d is the thickness mm Fp is the compressive force at critical point kN dN is the nominal thickness mm dB is the thickness under a load of 2 kPa, after a short time load of 48 kPa mm dL is the thickness under a load of 250 kPa mm ∆εl is the relative change in length % ∆εb is the relative change in width % Ki is a factor related to the number of test results available – l is the length mm λ is the thermal conductivity W/(m K) λ90/90 is the 90 % fractile with a confidence level of 90 % for the thermal conductivity W/(m⋅K) λD is the declared thermal conductivity W/(m⋅K) λI is one test result of thermal conductivity W/(m⋅K) λmean is the mean thermal conductivity W/(m⋅K) λU is the design thermal conductivity W/(m⋅K) µ is the water vapour diffusion resistance factor – n is the number of test results – R90/90 is the 90 % fractile with a confidence level of 90 % for the thermal resistance m2⋅K/W RD is the declared thermal resistance m2⋅K/W Ri is one test result of thermal resistance m2⋅K/W Rmean is the mean thermal resistance m2⋅K/W RU is the design thermal resistance m2⋅K/W ρa is the apparent density kg/m3 Sb is the deviation from squareness on length and width mm/m Smax is the deviation from flatness mm sR is the estimate of the standard deviation of the thermal resistance m2⋅K/W sλ is the estimate of the standard deviation of the thermal conductivity W/(m⋅K) s’ is the dynamic stiffness MN/m3 σc is the declared compressive stress kpa σ10 is the compressive stress at 10 % deformation kPa σm is the compressive strength kPa σmt is the tensile strength perpendicular to faces kPa σt is the tensile strength parallel to faces kPa SIST EN 13171:2013

AFr is the symbol of the declared level of airflow resistivity AP is the symbol of the declared level of practical sound absorption coefficient AW is the symbol of the declared level of weighted sound absorption coefficient CC(i1/i2/y)σc is the symbol of the declared level for long term compressive creep CP is the symbol of the declared level for compressibility CS(10\Y) is the symbol of the declared level for compressive stress or strength DS(N) is the symbol of the declared value for dimensional stability at normal laboratory temperature and relative humidity conditions DS(70,-) is the symbol of the declared value for dimensional stability at 70 °C DS(23/90) is the symbol of the declared value for dimensional stability at 23 °C and 90 % relative humidity DS(70/90) is the symbol of the declared value for dimensional stability at 70 °C and 90 % relative humidity MU is the symbol of the declared value for water vapour diffusion resistance factor PL(5) is the symbol for the declared level of point load for 5 mm deformation SD is the symbol of the declared level of dynamic stiffness T is the symbol of the declared class for thickness tolerances TRi is the symbol of the declared level for tensile strength perpendicular to faces WS is the symbol of the declared level for short term water absorption Z is the symbol of the declared value for water vapour resistance
Abbreviated terms used in this standard: WF is Wood Fibre ITT is Initial Type Test FPC is Factory Production Control RtF is Reaction to Fire SIST EN 13171:2013

This test shall not be performed when the tests described in 4.3.10 are used. 4.2.4 Squareness Squareness shall be determined in accordance with EN 824. The deviation from squareness on length and width, Sb, of boards and slabs shall not exceed 5 mm/m. 4.2.5 Flatness Flatness shall be determined in accordance with EN 825. The deviation from flatness, of boards and slabs, Smax, shall not exceed 6 mm. 4.2.6 Reaction to fire of the product as placed on the market Reaction to fire classification of the product shall be determined in accordance with EN 13501-1 and the mounting and fixing rules given in EN 15715, even if the behaviour is determined under 4.3.
NOTE This classification is compulsory and always included in the CE Marking label.
Detailed information about the test conditions and the field of application of the classification as stated in the reaction to fire classification report shall be given in the manufacturer's literature.
Dimensional stability under specified temperature or under specified temperature and humidity conditions shall be determined in accordance with EN 1604. The test shall be carried out for the conditions given in Table 2. The relative changes in length, ∆εl, and width, ∆εb and the relative reduction in thickness, ∆εd, shall not exceed the values given in Table 2 for the declared level. Table 2 — Dimensional stability under specified temperature and humidity conditions Designation Condition Test Method Requirement Length ∆∆∆∆εεεεl and width ∆∆∆∆εεεεb Thickness ∆∆∆∆εεεεd % % DS(70,)1 48 h, 70 °C EN 1604 ≤ 1 ≤ 1 DS(70,-)2 48 h, 70 °C EN 1604 ≤ 2 ≤ 2 DS(70,-)3 48 h, 70 °C EN 1604 ≤ 3 ≤ 3 DS(23,90)1 48 h, 23 °C, 90 % R.H. EN 1604 ≤ 1 ≤ 1 DS(23,90)2 48 h, 23 °C, 90 % R.H. EN 1604 ≤ 2 ≤ 2 DS(23,90)3 48 h, 23 °C, 90 % R.H. EN 1604 ≤ 3 ≤ 3 DS(70,90)1 48 h, 70 °C, 90 % R.H. EN 1604 ≤ 1 ≤ 1 DS(70,90)2 48 h, 70 °C, 90 % R.H. EN 1604 ≤ 2 ≤ 2 DS(70,90)3 48 h, 70 °C, 90 % R.H. EN 1604 ≤ 3 ≤ 3
The test DS(70,-) and DS(23,90) need not be performed when the test DS (70/90) is used. SIST EN 13171:2013

4.3.4 Tensile strength perpendicular to faces Tensile strength perpendicular to the faces, σmt, shall be determined in accordance with EN 1607. No test result shall be less than the value given in Table 4 for the declared level.
4.3.5 Tensile strength parallel to faces Tensile strength parallel to faces, σt, shall be determined in accordance with EN 1608. For handling purposes, products shall have a tensile strength parallel to faces of 10 kPa. The test is not necessary for faced products or if one of the tests is carried out in accordance with 4.3.3 or 4.3.4. 4.3.6 Point load Point load, PL(5), at 5 mm deformation shall be determined in accordance with EN 12430 and declared in levels with steps of 50 N. No test result shall be less than the declared level. 4.3.7 Compressive creep Compressive creep, Xct, and total thickness reduction, Xt, shall be determined after at least one hundred and twenty two days of testing at a declared compressive stress, σc, given in steps of at least 1 kPa, and the results shall be extrapolated thirty times, corresponding to ten years, to obtain the declared level in accordance with EN 1606. Compressive creep shall be declared in levels, i2, and total thickness reduction shall be declared in levels, i1, with steps of 0,1 mm at the declared stress. No test result shall exceed the declared level at the declared stress. SIST EN 13171:2013

4.3.8 Short term water absorption Short term water absorption by partial immersion, Wp shall be determined in accordance with EN 1609 including any facings or coatings. No test result shall exceed the value given in Table 5 for the declared level.
Table 5 — Levels for short term water absorption by partial immersion Level Requirement kg/m2 WS0,5 ≤ 0,5 WS1,0 ≤ 1,0 WS2,0 ≤ 2,0
4.3.9 Water vapour transmission Water vapour transmission properties shall be determined in accordance with EN 12086, and declared as the water vapour diffusion resistance factor, µ, for homogeneous products and as the water vapour resistance, Z, for faced or non-homogeneous products. No test result of the water vapour diffusion resistance factor shall be greater and no test result of the water vapour resistance shall be less than the declared value. Alternatively, for the declaration of the water vapour diffusion resistance, µ, of WF products, the value quoted in EN ISO 10456 may be used.
4.3.10 Dynamic stiffness Dynamic stiffness, s′, shall be determined in accordance with EN 29052-1, without preloading. The value of dynamic stiffness shall be declared in levels with steps of 1 MN/m3. No test result shall exceed the declared level. 4.3.11 Compressibility 4.3.11.1 General The main application of products using compressibility is floating floors. SIST EN 13171:2013

4.3.11.3 Thickness, dB Thickness, dB, shall be determined according to EN 12431 with a pause of 120 s after removal of the additional load of 48 kPa. 4.3.11.4 Compressibility, c Compressibility, c, shall be determined as the difference between dL and dB for products in classes T6 and T7 (see 4.3.11.1). No test result shall exceed the values given in Table 7 for the declared level. Table 7 — Levels for compressibility Level Imposed load on the product Compressibility, c
Nominal compressibility Tolerance test results kPa mm mm CP5 ≤ 2,0 ≤ 5 +2 CP4 ≤ 3,0 ≤ 4 CP3 ≤ 4,0 ≤ 3 CP2 ≤ 5,0 ≤ 2 +1 CP1 ≤ 5,0 ≤ 1
NOTE 1 The levels of the imposed load on the product have been taken from EN 1991-1-1. NOTE 2 A test result is the mean of the readings for the number of the test specimens tested The levels CP3, CP4 and CP5 relate to the thickness tolerance class T6 and the levels CP1 and CP2 to the thickness tolerance class T7. 4.3.11.5 Long term thickness reduction If the imposed load on the screed exceeds 5,0 kPa only products having a declared level of compressibility of CP1 and CP2 may be used and their long-term thickness reduction shall be determined. SIST EN 13171:2013

Reaction to fire classification of products, in standardized assemblies simulating end-use applications excluding pipe insulation, shall be determined in accordance with EN 13501-1 and the mounting and fixing rules given in EN 15715. This classification offers the opportunity to give a complementary and optional declaration on reaction to fire for standard test configurations of assemblies which include the insulation product. The number of the selected test configuration of assembly (Table 5 of EN 15715:2009) which is used in the test shall be quoted with the Euroclass. Detailed information about the test conditions and the field of application of the classification as stated in the reaction to fire classification report shall be given in the manufacturer’s literature. 4.3.17 Continous glowing combustion NOTE Test method is under development and the standard will be amended when this is available. SIST EN 13171:2013
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