EN 13494:2019
(Main)Thermal insulation products for building applications - Determination of the tensile bond strength of the adhesive and of the base coat to the thermal insulation material
Thermal insulation products for building applications - Determination of the tensile bond strength of the adhesive and of the base coat to the thermal insulation material
This document specifies the test apparatus, materials and procedures for determining the tensile bond strength of an adhesive, a reinforced base coat or a rendering system to a thermal insulation product for use as components in External Thermal Insulation Composite Systems.
The test method described in this document is not applicable to PU foam adhesives. For testing such products see EN 17101.
Wärmedämmstoffe für das Bauwesen - Bestimmung der Haftzugfestigkeit zwischen Klebemasse/Klebemörtel und Wärmedämmstoff sowie zwischen Unterputz und Wärmedämmstoff
Dieses Dokument legt das Prüfgerät, die Werkstoffe und Verfahren zur Bestimmung der Haftzugfestigkeit eines Klebers, eines bewehrten Unterputzes oder eines Putzsystems für ein Wärmedämmprodukt als Komponenten in außenseitigen Wärmedämmverbundsystemen (WDVS) fest.
Das in diesem Dokument beschriebene Prüfverfahren gilt nicht für PU Klebstoffschaum. Für Prüfverfahren solcher Produkte siehe EN 17101.
Produits isolants thermiques pour le bâtiment - Détermination de l’adhérence par traction de la colle ou de la couche de base sur le matériau isolant thermique
Le présent document spécifie l’appareillage d’essai, les matériaux et les modes opératoires à utiliser pour déterminer l’adhérence par traction d’une colle, d’une couche de base armée ou d’un système d’enduit sur un produit isolant thermique destiné à faire partie d’un système composite d’isolation thermique par l’extérieur (ETICS).
La méthode d’essai décrite dans le présent document n’est pas applicable aux colles à base de mousse PU. Pour l’essai de ces produits, voir l’EN 17101.
Toplotnoizolacijski proizvodi za uporabo v gradbeništvu - Ugotavljanje oprijema lepila in osnovnega nanosa na toplotnoizolacijski material
Ta evropski standard določa opremo in postopke za ugotavljanje oprijema lepila in osnovnega nanosa (kot komponente kontaktnih fasadnih toplotnoizolacijskih sistemov) na toplotnoizolacijski material.
General Information
Relations
Overview
EN 13494:2019 is a European standard developed by CEN that specifies the methods for determining the tensile bond strength of adhesives and base coats to thermal insulation materials used in building applications. This standard is essential for ensuring the quality and durability of External Thermal Insulation Composite Systems (ETICS), where reliable adhesion between layers is critical for thermal performance and structural stability.
Unlike other adhesive types, EN 13494:2019 explicitly excludes polyurethane (PU) foam adhesives from its scope. Such products are tested according to EN 17101. The standard covers the necessary testing apparatus, specimen preparation, execution procedures, and calculation methods to accurately measure the tensile bond strength between the adhesive, reinforced base coat, or rendering system and the thermal insulation product.
Key Topics
Test Scope and Application
Defines tensile bond strength testing for adhesives and base coats used with thermal insulation products in ETICS.Test Apparatus
- Pull head plates with precise dimensions and rigidity to ensure consistent results.
- Glue suitable for bonding pull plates without affecting the specimen.
- Cutting devices (circular saw, angle grinder) to prepare test specimens accurately.
- Tensile testing machine with controlled displacement or load increase rate.
Sample Preparation
- Overall test specimens with minimum insulation thickness of 50 mm.
- Individual test specimens cut from overall specimens, maintaining minimum spacing and appropriate size relative to pull plates.
- Conditioning of specimens according to product standards, ensuring reproducibility.
Test Procedure
- Affixing pull head plates to individual specimens using approved adhesives.
- Application of tensile load perpendicular to the specimen face at a constant displacement rate.
- Recording maximum tensile force and identifying the mode of failure to ensure valid results.
Data Calculation and Reporting
- Calculation of tensile bond strength using maximum tensile load divided by glued cross-sectional area.
- Exclusion of invalid failure modes such as glue layer fractures or pull plate detachment.
- Reporting of mean tensile bond strength from multiple valid tests.
Applications
EN 13494:2019 is highly relevant for professionals engaged in building insulation systems, including:
Manufacturers of Thermal Insulation Products
To verify adhesive and base coat adhesion performance and comply with regulatory requirements.Quality Assurance Laboratories
To assess the tensile bond strength of materials used in ETICS and ensure consistency for product certification.Building Designers and Engineers
To specify insulation systems with verified bond strength properties for long-term durability and energy efficiency.Construction Contractors and Inspectors
For on-site or acceptance testing of insulation adhesive and base coating applications, reducing risks of thermal bridging or delamination.Regulatory Bodies
To enforce building codes and standards that require validated thermal insulation bond strength for safety and performance.
Related Standards
EN 17101 – Testing of PU foam adhesives for thermal insulation applications, complementary where PU foam adhesives are involved.
EN 1602 – Determination of apparent density of thermal insulating products.
EN 1607 – Determination of tensile strength perpendicular to faces of insulation products, applicable when test specimens are fully cut through.
EN 17237 – Specification for External Thermal Insulation Composite Systems (ETICS) with renders, providing context for system requirements including adhesive bond strength.
Summary
EN 13494:2019 provides a rigorous, reproducible method to evaluate the tensile bond strength of adhesives and base coats to thermal insulation materials, supporting the reliable construction of energy-efficient building envelopes. By applying standardized test setups, specimen preparation, and calculations, this standard ensures that thermal insulation systems meet required safety and performance benchmarks across Europe and internationally. Implementing EN 13494:2019 promotes enhanced durability, effective insulation, and overall building quality through validated adhesive bonding.
Frequently Asked Questions
EN 13494:2019 is a standard published by the European Committee for Standardization (CEN). Its full title is "Thermal insulation products for building applications - Determination of the tensile bond strength of the adhesive and of the base coat to the thermal insulation material". This standard covers: This document specifies the test apparatus, materials and procedures for determining the tensile bond strength of an adhesive, a reinforced base coat or a rendering system to a thermal insulation product for use as components in External Thermal Insulation Composite Systems. The test method described in this document is not applicable to PU foam adhesives. For testing such products see EN 17101.
This document specifies the test apparatus, materials and procedures for determining the tensile bond strength of an adhesive, a reinforced base coat or a rendering system to a thermal insulation product for use as components in External Thermal Insulation Composite Systems. The test method described in this document is not applicable to PU foam adhesives. For testing such products see EN 17101.
EN 13494:2019 is classified under the following ICS (International Classification for Standards) categories: 91.100.60 - Thermal and sound insulating materials. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 13494:2019 has the following relationships with other standards: It is inter standard links to EN 13494:2002. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 13494:2019 is associated with the following European legislation: EU Directives/Regulations: 305/2011. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 13494:2019 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-november-2019
Nadomešča:
SIST EN 13494:2003
Toplotnoizolacijski proizvodi za uporabo v gradbeništvu - Ugotavljanje oprijema
lepila in osnovnega nanosa na toplotnoizolacijski material
Thermal insulation products for building applications - Determination of the tensile bond
strength of the adhesive and of the base coat to the thermal insulation material
Wärmedämmstoffe für das Bauwesen - Bestimmung der Haftzugfestigkeit zwischen
Klebemasse/Klebemörtel und Wärmedämmstoff sowie zwischen Unterputz und
Wärmedämmstoff
Produits isolants thermiques pour le bâtiment - Détermination de l’adhérence par traction
de la colle ou de la couche de base sur le matériau isolant thermique
Ta slovenski standard je istoveten z: EN 13494:2019
ICS:
91.100.60 Materiali za toplotno in Thermal and sound insulating
zvočno izolacijo materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 13494
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2019
EUROPÄISCHE NORM
ICS 91.100.60 Supersedes EN 13494:2002
English Version
Thermal insulation products for building applications -
Determination of the tensile bond strength of the adhesive
and of the base coat to the thermal insulation material
Produits isolants thermiques pour le bâtiment - Wärmedämmstoffe für das Bauwesen - Bestimmung
Détermination de l'adhérence par traction de la colle der Haftzugfestigkeit zwischen
ou de la couche de base sur le matériau isolant Klebemasse/Klebemörtel und Wärmedämmstoff sowie
thermique zwischen Unterputz und Wärmedämmstoff
This European Standard was approved by CEN on 19 May 2019.
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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, 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
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13494:2019 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions, symbols and units . 4
3.1 Terms and definitions . 4
3.2 Symbols and units . 4
4 Principle . 5
5 Test apparatus/materials . 5
5.1 Glue. 5
5.2 Pull head plates . 5
5.3 Cutting device . 5
5.4 Tensile testing machine . 5
5.5 Specimen securing frame . 5
6 Samples and test specimens . 6
6.1 Preparation of the overall test specimen . 6
6.2 Preparation of individual test specimens . 6
6.3 Conditioning of the test specimens . 7
7 Procedure. 7
7.1 Test conditions . 7
7.2 Attachment of the pull off tester to the individual test specimen . 7
7.3 Test procedure . 8
8 Calculation and expression of results . 8
8.1 Tensile bond strength . 8
8.2 Mode of failure . 8
8.3 Accuracy of measurement . 9
9 Test report . 9
Bibliography . 11
European foreword
This document (EN 13494:2019) 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 March 2020, and conflicting national standards shall
be withdrawn at the latest by March 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 13494:2002.
2002 2019
Scope adhesive or base coat adhesive, reinforced base coat or
rendering system
Principle Test specimen is cut through Overall est specimen is normally not cut
through, but this variant is possible
Rigid plates / Pull head plates (200 +- 2 mm) only (50 +- 1 mm), (100 +- 1 mm), (150 +- 1
and (individual) test specimen mm) or (200 +- 1 mm)
dimensions
Saw Mechanical driven circular or band Circular saw, angle grinder or an
saw oscillating cutting device
tensile testing machine Rate of displacement of (10 +- 1) Rate of displacement of (10 +- 1)
mm/min mm/min or average load increase of 50
N/s
Specimen securing frame absent present
Minimum dimensions of test 500 mm x 1000 mm x 60 mm Depending on the thickness of the
specimen thermal insulation used for the overall
test specimen
Thermal insulation No minimum thickness Minimum thickness of 50 mm
Test procedure According EN 1607 Normally as described in Figure 2, but
according EN 1607 is possible, if the
overall test specimen is cut through
Calculation an expression of Rounded to the nearest 0,1 kPa Rounded to the nearest 1 kPa
results
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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
1 Scope
This document specifies the test apparatus, materials and procedures for determining the tensile bond
strength of an adhesive, a reinforced base coat or a rendering system to a thermal insulation product for
use as components in external thermal insulation composite systems (ETICS).
The test method described in this document is not applicable to PU foam adhesives. For testing such
products see EN 17101.
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 1602, Thermal insulating products for building applications — Determination of the apparent density
EN 1607, Thermal insulating products for building applications — Determination of tensile strength
perpendicular to faces
EN 17237, Thermal insulation products for buildings — External thermal insulation composite systems
with renders (ETICS) — Specification
3 Terms and definitions, symbols and units
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 17237 and the following 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
individual test specimen
test specimen which is cut out of the overall test specimen
3.2 Symbols and units
For the purposes of this document, the following symbols apply.
σ is the tensile bond strength, kPa;
F is the tensile load at failure, kN;
A 2
is the cross-sectional area of the plate, m .
Under preparation. Stage at time of publication: prEN 17237:2018.
4 Principle
The tensile bond strength of the adhesive, the
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