oSIST prEN 16383:2012

Thermal insulating products for building applications - Determination of the hygrothermal behaviour of external thermal insulation composite systems with renders (ETICS)

This European Standard specifies the equipment and procedures for determining the hygrothermal behaviour of external thermal insulation composite systems with renders on thermal insulation boards (ETICS) delivered as a kit and used as thermal insulation for buildings.

Wärmedämmstoffe für das Bauwesen - Bestimmung des hygrothermischen Verhaltens von außenseitigen Wärmedämm-Verbundsystemen mit Putzen (WDVS)

Diese Europäische Norm legt Prüfeinrichtungen und Verfahren zur Bestimmung des hygrothermischen Verhaltens von außenseitigen Wärmedämm-Verbundsystemen mit Putzen (WDVS) auf Wärmedämmplatten, die als Bausatz geliefert und für die Wärmedämmung an Gebäuden verwendet werden, fest.

Produits isolants thermiques pour le bâtiment - Détermination du comportement hygrothermique des systèmes composites d’isolation thermique par l’extérieur avec enduits (ETICS)

La présente Norme européenne spécifie l’équipement et les modes opératoires pour déterminer le
comportement hygrothermique des systèmes composites d’isolation thermique par l’extérieur (ETICS) avec
enduits sur des panneaux isolants thermiques, livrés comme système complet et utilisés pour l’isolation
thermique des bâtiments.

Toplotnoizolacijski proizvodi za uporabo v gradbeništvu - Ugotavljanje obnašanja higrotermičnih zunanjih sestavljenih toplotnoizolacijskih sistemov z ometi (ETICS)

General Information

• Status: Not Published
• Public Enquiry End Date: 30-May-2012
• ICS: 91.100.60 - Thermal and sound insulating materials
• Technical Committee: TOP - Thermal insulation
• Current Stage: 98 - Abandoned project (Adopted Project)
• Start Date: 14-Jul-2014
• Due Date: 19-Jul-2014
• Completion Date: 14-Jul-2014
• Ref Project: prEN 16383 - Thermal insulating products for building applications - Determination of the hygrothermal behaviour of external thermal insulation composite systems with renders (ETICS)

Overview

oSIST prEN 16383:2012 is a draft European Standard issued by SIST, focused on thermal insulating products for buildings. Specifically, it addresses the determination of the hygrothermal behaviour of External Thermal Insulation Composite Systems with renders, commonly known as ETICS. ETICS are critical building envelope solutions designed to improve energy efficiency, thermal comfort, and durability.

This standard specifies the equipment and step-by-step procedures necessary to evaluate how ETICS kits-composed of thermal insulation boards and renders-perform under various moisture and temperature conditions, including cycles involving heat, rain, freezing, and thawing. Ensuring the long-term reliability and structural performance of ETICS is essential for building safety, maintaining insulation properties, and meeting European energy and durability requirements.

Key Topics

• Hygrothermal Behaviour Testing:
  Procedures for exposing ETICS to repeated cycles of heating, wetting, freezing, and thawing to simulate real-world climatic stresses on building envelopes.

• Test Wall Preparation:
  Describes requirements for the substrate (masonry or concrete), surface dimensions, and the arrangement of ETICS components for standardized testing.

• Component Identification:
  Guidelines for documenting adhesive, insulation board, base coat, reinforcement, finishing coats, and mechanical fixings, ensuring full material traceability and reproducibility.

• Test Devices and Conditions:
  Specifications for heating, wetting (uniform water distribution), and cooling systems used during testing, including set temperatures and durations to guarantee comparability.

• Assessment and Reporting:
  Methods for evaluating test wall condition post-cycling: visual inspection (blistering, flaking, cracks), impact resistance, bond strength, and moisture measurement. Clear reporting requirements are outlined to support consistency across laboratories.

Applications

The standard is widely applicable in the construction and building materials industries:

• Product Development:
  ETICS manufacturers use this standard during R&D to optimize system components for enhanced durability in diverse European climates.

• Quality Control and Certification:
  By following the hygrothermal behaviour testing, manufacturers and testing labs can demonstrate compliance with regulatory and market requirements, aiding CE marking and national certifications.

• Building Envelope Performance:
  Architects, builders, and façade engineers rely on compliant ETICS to ensure their building designs meet energy efficiency targets and long-term performance in terms of both insulation and weather resistance.

• Specification and Procurement:
  Project owners and procurement specialists refer to compliant test data when selecting ETICS systems, ensuring that materials align with building codes and sustainability goals.

Related Standards

To ensure a holistic assessment, oSIST prEN 16383:2012 references several related standards:

• EN 998-1: Specification for rendering and plastering mortar
• EN 1062-1: Paints and varnishes – Coating systems for exterior masonry and concrete
• EN 13494: Tensile bond strength of adhesives and base coat
• EN 13496: Mechanical properties of glass fibre meshes
• EN 13497: Impact resistance of ETICS
• EN 15824: Specifications for organic binder-based renders and plasters
• EN ISO 3251 & EN ISO 3451-1: Non-volatile-matter and ash content for products
• EN ISO 9229: Vocabulary for thermal insulation
• EN 823, EN 826, EN 1542, EN 1602, EN 1607, EN 1609, EN ISO 6946: Various methods for thermal insulation products and building elements

Adherence to these and other European standards for insulation and building product testing ensures the safety, performance, and regulatory compliance of ETICS for building applications.

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Keywords:
ETICS, building insulation, hygrothermal behaviour, thermal insulation, external render systems, thermal insulating products, building envelope, EN 16383, SIST, product testing, CE marking, construction standards, energy efficiency, durability testing, building applications, European standards.

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2012
7RSORWQRL]RODFLMVNLSURL]YRGL]DXSRUDERYJUDGEHQLãWYX8JRWDYOMDQMHREQDãDQMD
KLJURWHUPLþQLK]XQDQMLKVHVWDYOMHQLKWRSORWQRL]RODFLMVNLKVLVWHPRY]RPHWL(7,&6
Thermal insulating products for building applications - Determination of the hygrothermal
behaviour of external thermal insulation composite systems with renders (ETICS)
Wärmedämmstoffe für das Bauwesen - Bestimmung des hygrothermischen Verhaltens
von außenseitigen Wärmedämm-Verbundsystemen mit Putzen (WDVS)
Produits isolants thermiques pour le bâtiment - Détermination du comportement
hygrothermique des systèmes composites d’isolation thermique par l’extérieur avec
enduits (ETICS)
Ta slovenski standard je istoveten z: prEN 16383
ICS:
91.100.60 0DWHULDOL]DWRSORWQRLQ Thermal and sound insulating
]YRþQRL]RODFLMR materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
DRAFT
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2012
ICS 91.100.60
English Version
Thermal insulating products for building applications -
Determination of the hygrothermal behaviour of external thermal
insulation composite systems with renders (ETICS)
Produits isolants thermiques pour le bâtiment - Wärmedämmstoffe für das Bauwesen - Bestimmung des
Détermination du comportement hygrothermique des
hygrothermischen Verhaltens von außenseitigen
systèmes composites d'isolation thermique par l'extérieur Wärmedämm-Verbundsystemen mit Putzen (WDVS)
avec enduits (ETICS)
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 88.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.

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 Ref. No. prEN 16383:2012: E
worldwide for CEN national Members.

Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Principle .5
5 Testing devices .5
6 Test wall .6
6.1 Preparation of the test wall .6
6.2 Conditioning of the test wall .7
7 Testing the hygrothermal behaviour of the test wall .7
8 Assessment of the test wall after the hygrothermal cycles . 10
9 Accuracy of measurement . 10
10 Test report . 11
Bibliography . 14

Foreword
This document (prEN 16383:2012) has been prepared by Technical Committee CEN/TC 88 “Thermal
insulating materials and products”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
1 Scope
This European Standard specifies the equipment and procedures for determining the hygrothermal behaviour
of external thermal insulation composite systems with renders on thermal insulation boards (ETICS) delivered
as a kit and used as thermal insulation for buildings.
2 Normative references
The following referenced documents are indispensable for the application 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 998-1, Specification for mortar for masonry — Part 1: Rendering and plastering mortar
EN 1062-1, Paints and varnishes — Coating materials and coating systems for exterior masonry and
concrete — Part 1: Classification
EN 13494, Thermal insulating products for buildings applications — Determination of the tensile bond strength
of the adhesive and of the base coat to the thermal insulation material
EN 13496, Thermal insulation products for building applications — Determination of the mechanical properties
of glass fibre meshes
EN 13497, Thermal insulation products for building applications — Determination of the resistance to impact
of external thermal insulation composite systems (ETICS)
EN 15824, Specifications for external renders and internal plasters based on organic binders
EN ISO 3251, Paints, varnishes and plastics — Determination of non-volatile-matter content (ISO 3251)
EN ISO 3451-1, Plastics - Determination of ash — Part 1: General methods (ISO 3451-1)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
adhesive for ETICS
product used for bonding the thermal insulation material to the substrate
3.2
base coat for ETICS
layer according EN 998-1 or EN 15824 applied directly on to the thermal insulation material. It contains the
reinforcement. The base coat provides most of the mechanical properties of an ETICS
3.3
external thermal insulation composite system (ETICS)
system of factory made products, delivered as a kit from the manufacturer and applied on site
NOTE 1 It comprises of the following components, specifically designed for use with the substrate:
 an adhesive and/or mechanical fixing device;
 a thermal insulation product;
 one or more layers of base coat, where at least one layer contains a reinforcement;
 a finishing material.
NOTE 2 Adapted from EN ISO 9229:2007, definition 2.4.2.2.
3.4
finishing material for ETICS
organic an/or inorganic materials according EN 998-1, EN 1062-1 or EN 15824, forming the final layer of an
ETICS
NOTE A key coat (primer) and a decorative coat may be part of the finishing coat.
3.5
mechanical fixing devices for ETICS
devices for securing thermal insulation systems to the substrate, for example rails or anchors
3.6
reinforcement for ETICS
materials embedded in the base coat to improve its mechanical strength
3.7
thermal insulation material
material that is intended to reduce heat transfer and that derives its insulation properties from its chemical
nature and/or its physical structure
[EN ISO 9229]
3.8
test wall
the wall as substrate covered by the ETICS to test the hygrothermal behaviour
4 Principle
To simulate the aging of an ETICS under the influence of heating by solar radiation, rain, and air temperature
in practice with testing the hygrothermal behaviour at direct heating, wetting and freeze/thaw in several cycles.
5 Testing devices
The following test devices are necessary:
 wetting device: To wet the full surface of the test wall with tap water with a temperature of (15 ± 5) °C and
an amount of between 1 l/(m² · min) and 1,5 l/(m² · min) with the use of spraying nozzles to assure
uniform water distribution;
 heating device: To heat the surface of the wall regulated to (70 ± 5) °C. At the heating time, the relative
humidity of the air close to the surface of the wall shall be less than 30 %;
 cooling device: To cool the surface of the test wall to (-15 ± 5) °C.
6 Test wall
6.1 Preparation of the test wall
The substrate shall be made of masonry or concrete if not otherwise specified.
The dimensions of the weathered surface of the wall shall be (see Figure 1):
 surface ≥ 5 m²;
 width ≥ 2,5 m;
 height ≥ 2 m.
In the middle of the upper 2/3 of the total height of the wall an opening with a width of (0,5 ± 0,1) m and a
height of (0,5 ± 0,1) m is included (see Figure 1). The opening can be obtained by a recess in the insulation
material.
Two different configurations can be tested on one test wall. In this case the wall must be divided vertically in
the middle and one component can be modified, i.e. the thermal insulation product or the base coat or the
finishing coat according to Fig
...