SIST EN 14064-1:2019

Thermal insulation products for buildings - In-situ formed loose-fill mineral wool (MW) products - Part 1: Specification for the loose-fill products before installation

This European Standard specifies the requirements for blown and injected loose-fill mineral wool products for in-situ installation in lofts, masonry cavity walls and frame constructions.
This European Standard is a specification for the insulation products before installation. It describes the product characteristics and includes procedures for testing, marking and labelling.
This document does not specify the required level of a given property to be achieved by a product to demonstrate fitness for purpose in a particular application. The levels required for a given application are to be found in regulations or non-conflicting standards.
NOTE   To avoid water penetration in masonry walls special tests adjusted to local climate might be needed.
This document does not cover factory made mineral wool (MW) insulation products or in-situ products intended to be used for the insulation of building equipment and industrial installations.
Products with a declared thermal resistance lower than 0,25 m2·K/W or a declared thermal conductivity greater than 0,060 W/(m·K) at 10 °C are not covered by this document.
This document does not cover products intended for airborne sound insulation and for acoustic absorption applications.

Wärmedämmstoffe für Gebäude - An der Verwendungsstelle hergestellte Wärmedämmung aus Mineralwolle (MW) - Teil 1: Spezifikation für Schüttdämmstoffe vor dem Einbau

Diese Europäische Norm legt die Anforderungen an der Verwendungsstelle einzubringende lose Einblas- und Einspritzdämmstoffe aus Mineralwolle zur Dämmung von Dachgeschossen sowie zur Kerndämmung in zweischaligem Mauerwerk und Rahmenkonstruktionen fest.
Diese Europäische Norm ist eine Spezifikation für die Dämmstoffe vor dem Einbau. Sie beschreibt die Produktmerkmale und enthält Verfahren für die Prüfung, Kennzeichnung und Etikettierung.
Dieses Dokument legt keine Anforderungsstufen für eine bestimmte Eigenschaft fest, die ein Produkt erreichen muss, um für einen bestimmten Anwendungsfall gebrauchstauglich zu sein. Derartige Anforderungsstufen für einen bestimmten Anwendungsfall sind Regelwerken oder nicht entgegenstehenden Normen zu entnehmen.
ANMERKUNG   Zur Vermeidung des Eindringens von Wasser ins Mauerwerk können gegebenenfalls spezielle Prüfungen in Anpassung an die örtlichen klimatischen Bedingungen erforderlich sein.
Dieses Dokument deckt keine werkmäßig hergestellten Dämmstoffe aus Mineralwolle (MW) oder an der Verwendungsstelle hergestellten Produkte ab, die für die Dämmung von Gebäudeausrüstung und betriebstechnischen Anlagen vorgesehen sind.
Produkte mit einem Nennwert des Wärmedurchlasswiderstands unter 0,25 m2 · K/W oder einem Nennwert der Wärmeleitfähigkeit von mehr als 0,060 W/(m · K) bei 10 °C werden von diesem Dokument nicht abgedeckt.
Dieses Dokument gilt nicht für Produkte für die Anwendung zur Luftschalldämmung und Schallabsorption.

Produits isolants thermiques pour le bâtiment - Isolation thermique formée sur chantier à base de laine minérale (MW) - Partie 1: Spécification des produits en vrac avant l'installation

La présente Norme européenne spécifie les exigences concernant les produits de laine minérale en vrac destinés à être installés par soufflage et par injection dans les combles, les murs en maçonnerie à double paroi et les constructions à ossature.
La présente Norme européenne est une spécification pour les produits isolants avant installation. Elle décrit les caractéristiques du produit et comprend des modes opératoires d’essai, de marquage et d’étiquetage.
Le présent document ne spécifie pas le niveau requis d’une propriété donnée devant être atteint par un produit pour en démontrer l’aptitude à l’emploi dans une application particulière. Les niveaux requis pour une application donnée figurent dans les réglementations ou les normes non contradictoires.
NOTE   Pour éviter l’infiltration de l’eau dans les murs en maçonnerie, des essais spécifiques adaptés au climat local peuvent être nécessaires.
Le présent document ne couvre pas les produits isolants de laine minérale (MW) manufacturés ou les produits formés sur chantier conçus pour être utilisés pour l’isolation de l’équipement et des installations industrielles.
Les produits dont la résistance thermique déclarée est inférieure à 0,25 m2·K/W ou dont la conductivité thermique déclarée est supérieure à 0,060 W/(m·K) à 10 °C ne sont pas couverts par le présent document.
Le présent document ne couvre pas les produits destinés aux applications d’isolation contre les bruits aériens et d’absorption acoustique.

Toplotnoizolacijski proizvodi za stavbe - Razsuti proizvodi iz mineralne volne (MW) - 1. del: Specifikacija za razsute proizvode pred vgradnjo

Ta evropski standard določa zahteve za pihane in vbrizgane razsute proizvode iz mineralne volne, oblikovane na mestu vgradnje pri podstrešjih, zidovih z votlino in ogrodnih strukturah.
Ta evropski standard je specifikacija za izolacijske proizvode pred vgradnjo. Opisuje lastnosti proizvodov ter zajema postopke za preskušanje, označevanje in etiketiranje.
Ta dokument ne določa zahtevane ravni določene lastnosti, ki jo mora izdelek doseči, da se dokaže njegova primernost za predvideni namen pri posameznem načinu uporabe. Zahtevane ravni za posamezno uporabo so določene v uredbah ali standardih, ki niso v nasprotju s tem standardom.
OPOMBA: Za namene preprečevanja vdora vode v zidove bo morda treba opraviti posebne preskuse, prilagojene lokalnim podnebnim razmeram.
Ta dokument ne zajema izolacijskih proizvodov iz mineralne volne (MW) ali proizvodov, oblikovanih na mestu vgradnje, ki so namenjeni za izolacijo opreme stavb in industrijskih inštalacij.
Proizvodi z deklarirano toplotno upornostjo, manjšo od 0,25 m2K/W, ali deklarirano toplotno prevodnostjo, večjo od 0,06 W/(mK) pri 10 °C, v tem standardu niso zajeti.
Ta dokument ne zajema proizvodov, predvidenih za izolirnost pred zvokom v zraku in aplikacije za absorpcijo zvoka.

General Information

• Status: Published
• Public Enquiry End Date: 09-Jan-2017
• Publication Date: 09-Dec-2018
• ICS: 91.100.60 - Thermal and sound insulating materials
• Technical Committee: TOP - Thermal insulation
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 20-Nov-2018
• Due Date: 25-Jan-2019
• Completion Date: 10-Dec-2018
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Mandate: M/103 REV - Amendment to mandate to CEN and CENELEC concerning the execution of standardisation work for harmonised standards on thermal insulation products (m/103)
• Ref Project: EN 14064-1:2018 - Thermal insulation products for buildings - In-situ formed loose-fill mineral wool (MW) products - Part 1: Specification for the loose-fill products before installation

Relations

• Replaces: SIST EN 14064-1:2010 - Thermal insulation products for buildings - In-situ formed loosefill mineral wool (MW) products - Part 1: Specification for the loose-fill products before installation
• Effective Date: 01-Jan-2019
• Replaces: SIST EN 14064-1:2010 - Thermal insulation products for buildings - In-situ formed loosefill mineral wool (MW) products - Part 1: Specification for the loose-fill products before installation
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 14064-1:2019
01-januar-2019
1DGRPHãþD
SIST EN 14064-1:2010
Toplotnoizolacijski proizvodi za stavbe - Razsuti proizvodi iz mineralne volne (MW)
- 1. del: Specifikacija za razsute proizvode pred vgradnjo
Thermal insulation products for buildings - In-situ formed loose-fill mineral wool (MW)
products - Part 1: Specification for the loose-fill products before installation
Wärmedämmstoffe für Gebäude - An der Verwendungsstelle hergestellte
Wärmedämmung aus Mineralwolle (MW) - Teil 1: Spezifikation für Schüttdämmstoffe vor
dem Einbau
Produits isolants thermiques pour le bâtiment - Isolation thermique formée sur chantier à
base de laine minérale (MW) - Partie 1: Spécification des produits en vrac avant
l'installation
Ta slovenski standard je istoveten z: EN 14064-1:2018
ICS:
91.100.60 0DWHULDOL]DWRSORWQRLQ Thermal and sound insulating
]YRþQRL]RODFLMR materials
SIST EN 14064-1:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 14064-1:2019

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SIST EN 14064-1:2019


EN 14064-1
EUROPEAN STANDARD

NORME EUROPÉENNE

October 2018
EUROPÄISCHE NORM
ICS 91.100.60 Supersedes EN 14064-1:2010
English Version

Thermal insulation products for buildings - In-situ formed
loose-fill mineral wool (MW) products - Part 1:
Specification for the loose-fill products before installation
Produits isolants thermiques pour le bâtiment - Wärmedämmstoffe für Gebäude - An der
Isolation thermique formée sur chantier à base de laine Verwendungsstelle hergestellte Wärmedämmung aus
minérale (MW) - Partie 1: Spécification des produits en Mineralwolle (MW) - Teil 1: Spezifikation für
vrac avant l'installation Schüttdämmstoffe vor dem Einbau
This European Standard was approved by CEN on 2 March 2018.

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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 14064-1:2018 E
worldwide for CEN national Members.

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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
Contents Page
European foreword . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, symbols and abbreviations . 8
3.1 Terms and definitions . 8
3.2 Symbols and abbreviations . 9
4 Characteristics . 10
4.1 General . 10
4.2 For all applications . 10
4.2.1 Thermal conductivity − Thermal resistance . 10
4.2.2 Weight of the sale unit . 11
4.2.3 Settlement . 11
4.2.4 Reaction to fire . 12
4.2.5 Durability characteristics . 12
4.3 For specific applications . 13
4.3.1 General . 13
4.3.2 Airflow resistivity . 13
4.3.3 Water absorption . 13
4.3.4 Water vapour diffusion resistance . 13
4.3.5 Reaction to fire of product in standardized assemblies simulating end-use
applications . 13
4.3.6 Release of dangerous substances . 13
4.3.7 Continuous glowing combustion . 14
5 Test methods . 14
5.1 Sampling . 14
5.2 Conditioning . 14
5.3 Testing . 14
5.3.1 General . 14
5.3.2 Thermal resistance and thermal conductivity . 15
5.3.3 Reaction to fire . 16
6 Designation code . 16
6.1 General . 16
6.2 Assessment and Verification of the Constancy of Performance (AVCP)General . 16
6.3 Factory production control . 17
7 Marking and labelling . 17
Annex A (normative) Determination of the declared values of thermal resistance and
thermal conductivity . 20
A.1 General . 20
A.2 Input data . 20
A.3 Declared values . 20
Annex B (normative) Factory production control . 24
2

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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
Annex C (normative) Specimen preparation method for thermal resistance and thermal
conductivity test . 26
C.1 Principle . 26
C.2 Procedure . 26
Annex D (normative) Specimen preparation method for water absorption test . 29
D.1 Principle . 29
D.2 Procedure . 29
Annex E (normative) Specimen preparation method for air flow resistivity test — Principle . 30
Annex F (normative) Testing for reaction to fire of products . 31
F.1 Scope . 31
F.2 Product and installation parameters . 31
F.3 Standardized Mounting and fixing . 32
Annex G (normative) Testing for reaction to fire of products in standardized assemblies
simulating end-use application(s). 33
G.1 Scope . 33
G.2 Product and installation parameters . 33
G.3 Standardized Mounting and fixing . 34
Annex H (normative) Rules for creating performance charts for loose-fill insulation and
examples of performance charts . 35
H.1 General . 35
H.2 Performance chart for loft application when method 1 or 2 (Annex A) are used . 35
H.3 Performance chart for masonry cavity wall insulation, and frame constructions
insulation (method 1 Annex A) . 38
Annex I (normative) Specimen preparation method for coverage and density measurement . 40
I.1 Principle . 40
I.2 Procedure for attics floors application . 40
I.3 Procedure for closed construction . 41
Annex J (normative) Thermal insulating products for lofts and closed cavities -
Determination of settlement for blown or injected loose fill insulation . 46
J.1 Settlement after ageing . 46
J.2 Test report . 50
Annex K (informative) Masonry cavity walls - Method for determining suitable spacings for
blowing holes . 51
K.1 Test house . 51
K.2 Test method . 51
K.3 Observations . 51
K.4 Installation procedure . 51
3

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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
Annex ZA (informative) Relationship of this European Standard with Regulation (EU)
No.305/2011 . 53
Bibliography . 57

4

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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
European foreword
This document (EN 14064-1:2018) has been prepared by Technical Committee CEN/TC 88 “Thermal
insulating materials and products”, the secretariat of which is held by DIN.
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 April 2019 and conflicting national standards shall be
withdrawn at the latest by July 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 14064-1:2010.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
For relationship with EU Regulation(s), see informative Annex ZA, which is an integral part of this
document.
EN 14064-1:2018 includes the following significant technical changes with respect to
EN 14064-1:2010:
— Improved clarification regarding how to determine lambda value in the application: Annex A has
been totally revised and Annex C has been revised to be more precise;
— New ways to assess settlement in cavity wall application and then a new Annex J has been defined;
— Clarification of Annex H;
— Specimen preparation method for coverage and density measurement: Annex I has been totally
revised;
— Introduction of glowing combustion;
— New Annex ZA.
EN 14064, Thermal insulation products for buildings — In situ formed loose-fill mineral wool (MW)
products, consists of two parts which form a package. The first part (this European Standard), which is
the harmonized part satisfying the mandate, Construction Product regulation (CPR) and is the basis for
the CE marking, covers the products, which are placed on the market. The second part, which is the non-
harmonized part, covers the specification for the installed products. Both parts need to be used for the
application of the insulation product in the end-use applications covered by EN 14064.
This European Standard contains twelve annexes:
— Annex A (normative) Determination of the declared values of thermal resistance and thermal
conductivity
— Annex B (normative) Factory production control
— Annex C (normative) Specimen preparation for thermal resistance and thermal conductivity test
5

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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
— Annex D (normative) Specimen preparation for water absorption test
— Annex E (normative) Specimen preparation for airflow resistivity test
— Annex F (normative) Testing for reaction to fire of products
— Annex G (normative) Testing for reaction to fire of products in standardized assemblies simulating
end-use applications
— Annex H (normative) Rules for creating performance charts for loose-fill insulation and examples of
performance charts
— Annex I (normative) Specimen preparation method for coverage and density measurement
— Annex J (normative) Determination of settlement for blown loose fill insulation
— Annex K (informative) Masonry cavity walls − Method for determining suitable spacing for blowing
holes
— Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.305/2011
This European Standard is one of a series for mineral wool, expanded clay, expanded perlite, exfoliated
vermiculite, polyurethane/polyisocyanurate, cellulose and bound expanded polystyrene in situ formed
insulation products used in buildings, but this standard may be used in other areas where appropriate.
The reduction in energy used and emissions produced during the installed life of insulation products
exceeds by far the energy used and emissions made during the production and disposal processes.
According to the CEN-CENELEC Internal Regulations, the national standards organizations 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
6

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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
1 Scope
This document specifies the requirements for blown and injected loose-fill mineral wool products for in
situ installation in lofts, masonry cavity walls and frame constructions.
This document is a specification for the insulation products before installation. It describes the product
characteristics and includes procedures for testing, marking and labelling.
This document does not specify the required level of a given property to be achieved by a product to
demonstrate fitness for purpose in a particular application. The levels required for a given application
are to be found in regulations or non-conflicting standards.
NOTE To avoid water penetration in masonry walls special tests adjusted to local climate might be needed.
This document does not cover factory made mineral wool (MW) insulation products or in situ products
intended to be used for the insulation of building equipment and industrial installations.
2
Products with a declared thermal resistance lower than 0,25 m ·K/W or a declared thermal
conductivity greater than 0,060 W/(m·K) at 10 °C are not covered by this document.
This document does not cover products intended for airborne sound insulation and for acoustic
absorption applications.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 823, Thermal insulating products for building applications - Determination of thickness
EN 1609, Thermal insulating products for building applications - Determination of short term water
absorption by partial immersion
EN 12667, Thermal performance of building materials and products - Determination of thermal resistance
by means of guarded hot plate and heat flow meter methods - Products of high and medium thermal
resistance
EN 13172, Thermal insulation products - Evaluation of conformity
EN 13501-1, Fire classification of construction products and building elements - Part 1: Classification
using data from reaction to fire tests
EN 13820, Thermal insulating materials for building applications - Determination of organic content
EN 13823, Reaction to fire tests for building products - Building products excluding floorings exposed to
the thermal attack by a single burning item
EN 15715, Thermal insulation products - Instructions for mounting and fixing for reaction to fire testing -
Factory made products
EN 16516:2017, Construction products: Assessment of release of dangerous substances - Determination of
emissions into indoor air
EN 16733, Reaction to fire tests for building products - Determination of a building product's propensity to
undergo continuous smouldering
EN 29053, Acoustics - Materials for acoustical applications - Determination of airflow resistance (ISO
9053)
7

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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
EN ISO 1182, Reaction to fire tests for products - Non-combustibility test (ISO 1182)
EN ISO 1716, Reaction to fire tests for products - Determination of the gross heat of combustion (calorific
value) (ISO 1716)
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)
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
mineral wool
insulation material having a woolly consistency, manufactured from molten rock, slag or glass
3.1.2
blowing hole
hole, cut or formed, in a masonry cavity wall or frame construction, through which the mineral wool is
blown
3.1.3
class
combination of two levels of the same property between which the performance shall fall
3.1.4
coverage
mass of insulation per unit area
3.1.5
frame construction
walls with wood or metal studs, sloping roof with insulation between rafters
3.1.6
level
given value, which is the upper or lower limit of a requirement, where the level is given by the declared
value of the characteristic concerned
3.1.7
performance chart
table giving thickness and coverage requirements for different values of declared thermal resistance
3.1.8
settlement
decrease of installed insulation thickness in lofts or height in cavities and frame constructions with
time, expressed as a percentage of the initial installed thickness or installed height
8

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EN 14064-1:2018 (E)
3.2 Symbols and abbreviations
For the purposes of this document, the following symbols apply:
λ is the 90 % fractile with a confidence level of 90 % for the thermal W/(m·K)
90/90
conductivity
λρ is the conductivity referring to ρ according to the curve conductivity W/(m·K)
90/90 90/90
( )
/ density (see Annex A method 2)
λ is the declared thermal conductivity W/(m·K)
D
λ is one test result of thermal conductivity W/(m·K)
i
λ is the mean thermal conductivity W/(m·K)
mean
λ(ρ) is the curve of thermal conductivity versus density
a, b, c are constants used in the formula λ(ρ) = a + bρ + c/ρ
3
ρ is the 90 % fractile with a confidence level of 90 % for the density kg/m
90/90
k,k , k are factors related to the number of test results ––-
1 2
3
ρ is one test result of density kg/m
I
3
ρ is the mean value of density kg/m
mean
3
ρ is the rounded ρ kg/m
rounded 90/90
3
ρ is the specified density given by the manufacturer in some specific kg/m
x
applications
3
ρ and ρ are specified density of method A1 and method A2 kg/m
x1 x2
2
A is the area of the test specimen m
d is the thickness of the test specimen mm
n is the number of test results –
2
R is the 90 % fractile with a confidence level of 90 % for the thermal m ·K/W
90/90
resistance
2
R is the declared thermal resistance
m ·K/W
D
2
R is one test result of thermal resistance m ·K/W
i
s is the estimate of the standard deviation of the thermal conductivity W/(m·K)
λ
s is the estimate of the standard deviation of the thermal resistance W/(m·K)
R
3
s is the estimate of the standard deviation of the density kg/m
ρ
2
W is the short-term water absorption kg/m
p
B is the nominal weight of the bag kg
nom
AFr is the symbol of the declared level of airflow resistivity
MU is the symbol for the declared value for water vapour diffusion resistance
factor
S is the symbol of the declared class for settlement
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SIST EN 14064-1:2019
EN 14064-1:2018 (E)
S is the maximum value of the declared settlement class
D
WS is the symbol of the declared level for short-term water absorption
G-NoG is the Continuous Glowing Combustion declaration (NoG means no
Glowing Combustion, G means Glowing Combustion)
GANP
Glowing assessment not possible

d is the thickness of the insulation after settlement mm
after
d is the thickness of wool just after blowing operation mm
to be installed
For the purposes of this document, the following abbreviations apply:
MW Mineral Wool
AVCP Assessment and Verification of Constancy of Performance
FPC Factory Production Control
4 Characteristics
4.1 General
Product properties shall be assessed in accordance with Clause 5. To comply with this standard,
products shall meet the characteristics of 4.2, and the characteristics of 4.3 as appropriate.
This document gives performance charts for three different applications:
— loft insulation;
— masonry cavity wall insulation;
— frame insulation.
One test result on a product property is the average of the measured values on the number of test
specimens given in Table 3.
4.2 For all applications
4.2.1 Thermal conductivity − Thermal resistance
Thermal resistance and thermal conductivity shall be based upon measurements carried out in
accordance with EN 12667.
The thermal values shall be determined in accordance with Annex A and declared by the manufacturer,
according to the following:
— the reference mean temperature shall be 10 °C;
— the measured values shall be expressed with three significant figures;
— the thermal resistance, R , shall always be declared. The thermal conductivity, λ , shall be declared
D D
where possible;
— the thermal resistance, R , and the thermal conductivity, λ , shall be given as limit values
D D
representing at least 90 % of the production determined with a confidence level of 90 %;
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EN 14064-1:2018 (E)
— the value of thermal conductivity λ shall be rounded upwards to the nearest 0,001 W/(m·K)
90/90
and declared in levels with steps of 0,001 W/(m·K);
— the declared thermal resistance, R , shall be calculated from the insulation thickness and the
D
corresponding thermal conductivity, λ (see NOTE below);
90/90
2
— The value of thermal resistance, R , shall be rounded downward to the nearest 0,05 m ·K/W and
D
2
declared in levels with steps of 0,05 m ·K/W.
NOTE The declaration of the installed thermal resistance for blown mineral wool is described in EN 14064-2.
4.2.2 Weight of the sale unit
The quantity of material in one sale unit shall not be lower th
...