SIST EN 14891:2017

SLOVENSKI STANDARD
oSIST prEN 14891:2015
01-marec-2015
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Liquid applied water impermeable products for use beneath ceramic tiling bonded with
adhesives - Requirements, test methods, evaluation of conformity, classification and
designation
Flüssig zu verarbeitende wasserundurchlässige Produkte im Verbund mit keramischen
Fliesen und Plattenbelägen - Anforderungen, Prüfverfahren, Konformitätsbewertung,
Klassifizierung und Bezeichnung
Produits d'imperméabilisation appliqués en phase liquide utilisés sous carrelage collé -
Spécifications, méthodes d'essai, évaluation de la conformité, classification et
désignation
Ta slovenski standard je istoveten z: prEN 14891 rev
ICS:
91.100.23 .HUDPLþQHSORãþLFH Ceramic tiles
91.100.50 Veziva. Tesnilni materiali Binders. Sealing materials
oSIST prEN 14891:2015 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 14891:2015

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oSIST prEN 14891:2015

EUROPEAN STANDARD
DRAFT
prEN 14891 rev
NORME EUROPÉENNE

EUROPÄISCHE NORM

December 2014
ICS 91.100.23; 91.100.50 Will supersede EN 14891:2012
English Version
Liquid applied water impermeable products for use beneath
ceramic tiling bonded with adhesives - Requirements, test
methods, evaluation of conformity, classification and designation
Produits d'imperméabilisation appliqués en phase liquide Flüssig zu verarbeitende wasserundurchlässige Produkte
utilisés sous carrelage collé - Spécifications, méthodes im Verbund mit keramischen Fliesen und Plattenbelägen -
d'essai, évaluation de la conformité, classification et Anforderungen, Prüfverfahren, Konformitätsbewertung,
désignation Klassifizierung und Bezeichnung
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 67.

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, 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.

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

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14891 rev:2014 E
worldwide for CEN national Members.

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Contents
Page
1 Scope .5
2 Normative references .5
3 Terms and definitions .6
4 Product characteristics .6
4.1 General .6
4.2 Release of dangerous substances .7
5 Testing, assessment and sampling methods .7
6 Assessment and verification of constancy of performance – AVCP .7
6.1 General .7
6.2 Type testing .8
6.2.1 General .8
6.2.2 Test samples, testing and compliance criteria .9
6.2.3 Test reports .9
6.2.4 Shared other party results .9
6.3 Factory Production Control (FPC) . 10
6.3.1 General . 10
6.3.2 Requirements . 10
6.3.3 Product specific requirements . 12
6.3.4 Procedure for modifications . 13
6.3.5 One-off products, pre-production products (e.g. prototypes) and products produced in
very low quantity . 13
7 Classification and designation . 14
8 Marking and labelling . 15
Annex A (normative) Test methods . 17
A.1 Sampling . 17
A.2 Test conditions . 17
A.3 Test materials . 17
A.3.1 General . 17
A.3.2 Ceramic tiles . 17
A.3.3 Test substrate . 17
A.3.4 Ceramic tile adhesive . 18
A.3.5 Sodium hypochlorite . 18
A.4 Apparatus . 18
A.4.1 Weight . 18
A.4.2 Pull head plates . 18
A.4.3 Machine for pull testing . 18
A.4.4 Air-circulating oven . 18
A.4.5 Mould . 18
A.4.6 Jig . 20
A.4.7 Equipment for permeability test . 21
A.4.8 Machine for tensile testing . 22
A.5 Mixing of liquid-applied water impermeable products . 22
A.6 Tensile adhesion tests . 22
A.6.1 Preparation of test pieces . 22
A.6.2 Initial tensile adhesion strength . 23
A.6.3 Tensile adhesion strength after water contact . 23
A.6.4 Alternative method for tensile adhesion strength after water contact . 23
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A.6.5 Tensile adhesion strength after heat ageing . 24
A.6.6 Tensile adhesion strength after freeze-thaw cycle . 24
A.6.7 Tensile adhesion strength after contact with chlorinated water . 24
A.6.8 Alternative method for tensile adhesion strength after contact with chlorinated water . 25
A.6.9 Tensile adhesion strength after contact with lime water . 25
A.6.10 Evaluation and expression of the results . 26
A.7 Water impermeability . 26
A.8 Crack bridging ability . 28
A.8.1 General . 28
A.8.2 Crack bridging ability under standard conditions . 29
A.8.3 Crack bridging ability at low temperature. 29
A.9 Test report . 29
Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU
Construction Products Regulation . 31
ZA.1 Scope and relevant characteristics . 31
ZA.2 Procedure for AVCP of liquid-applied water impermeable products . 32
ZA.2.1 System(s) of AVCP . 32
ZA.2.2 Declaration of performance (DoP) . 33
ZA.3 CE marking and labelling . 36

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Foreword
This document (prEN 14891:2014) has been prepared by Technical Committee CEN/TC 67 “Ceramic tiles”,
the secretariat of which is held by UNI.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 14891:2012.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.
The significant technical changes between this European Standard and the previous edition are listed
herewith:
 Clause 3.6.1 replacement of the term “Fundamental” with “Basic”
 Clause 4, Tables 1, 2 and 3
 New clause 5
 New clause 6 in accordance with TF N. 548 rev 1
 New Annex ZA (informative) in accordance with the CPR (Regulation (EU) No. 305/2011) and the
Commission Delegated Regulations (EU) 157/2014 relative to DoP made available on websites, (EU)
574/2014 relative to the Model of DoP and (EU) 568/2014 relative to the assessment and verification of
constancy of performance.
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1 Scope
This European Standard applies to all liquid-applied water impermeable products, based on polymer modified
cementitious mortars, dispersions and reaction resin coatings, used beneath ceramic tiling, for external tile
installations on walls and floors and in swimming pools.
This European Standard gives the terminology concerning the products and specifies the test methods and
the values of performance requirements for liquid-applied water impermeable products associated with tile
adhesives.
This European Standard specifies the evaluation of conformity and the classification and designation of liquid-
applied water impermeable products beneath ceramic tiling.
This European Standard does not contain recommendations for the design and installation of ceramic tiles
and grouts in combination with water impermeable products.
NOTE 1 Liquid-applied water impermeable products may also be used beneath other types of tiles (natural and
agglomerated stones, etc.), where they do not adversely affect these materials.
NOTE 2 The user of this European Standard should be familiar with normal laboratory practice. This European
Standard does not purport to address all the safety problems associated with its use. It is the responsibility of the user to
establish appropriate health and safety practices and to ensure compliance with any European and national regulatory
conditions.
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 196-1:2005, Methods of testing cement — Part 1: Determination of strength
EN 197-1:2011, Cement — Part 1: Composition, specifications and conformity criteria for common cements
EN 480-1:2006+A1:2011, Admixtures for concrete, mortar and grout — Test methods — Part 1: Reference
concrete and reference mortar for testing
EN 1008, Mixing water for concrete — Specification for sampling, testing and assessing the suitability of
water, including water recovered from processes in the concrete industry, as mixing water for concrete
EN 1015-3, Methods of test for mortar for masonry — Part 3: Determination of consistence of fresh mortar (by
flow table)
EN 1067, Adhesives — Examination and preparation of samples for testing
EN 12004-1, Adhesives for tiles — Requirements, evaluation of conformity, classification and designation
EN 12004-2, Adhesives for tiles — Test methods
EN 12390-2, Testing hardened concrete — Part 2: Making and curing specimens for strength tests
EN 12620:2002+A1:2008, Aggregates for concrete
EN 14411, Ceramic tiles — Definitions, classification, characteristics, evaluation of conformity and marking
EN ISO 15605, Adhesives — Sampling (ISO 15605)
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3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
liquid-applied water impermeable product
single- or multicomponent waterproofing material applied in a uniform layer, beneath ceramic tiling
Note 1 to entry: The water impermeable layer can include a reinforcing cloth or mesh.
3.2
polymer modified cementitious liquid-applied water impermeable product
CM
mixture of hydraulic binding agents, aggregates and organic additives that has only to be mixed with water or
liquid admixture just before use
3.3
dispersion liquid-applied water impermeable product
DM
mixture of organic binding agent(s) in the form of an aqueous polymer dispersion, organic additives and
mineral fillers
Note1 to entry: The mixture is ready for use.
3.4
reaction resin liquid-applied water impermeable product
RM
mixture of synthetic resin, mineral fillers and organic additives in which hardening occurs by chemical reaction
Note1 to entry: They are available in one or more component forms.
3.5
crack bridging ability
ability of the hardened waterproofing material to withstand propagation of the cracks without deterioration
3.6
primer
liquid coating applied to the surface, prior to the application of a liquid product, to improve adhesion and
durability of the bond
3.7
basic characteristics
characteristics that a liquid-applied water impermeable product absolutely has to have
3.8
optional characteristics
characteristics for specific service conditions where enhanced levels of performance are required or which
provide further information about its general performance
4 Product characteristics
4.1 General
The liquid-applied water impermeable products shall comply with the characteristics specified in Table 1,
section 1 a.
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Table 1, section 1 b gives the additional characteristics that might be required for special service conditions.
The amount of water and/or liquid admixture required for preparing the cementitious liquid-applied water
impermeable products shall be the same for all tests.
Table 1 — Product requirements
1 a BASIC CHARACTERISTICS (CM – DM – RM)
Characteristic Requirement Test method
2
Initial tensile adhesion strength ≥ 0,5 N/mm A.6.2
2
Tensile adhesion strength after water contact ≥ 0,5 N/mm A.6.3 or A.6.4
2
Tensile adhesion strength after heat ageing A.6.5
≥ 0,5 N/mm
2
Tensile adhesion strength after freeze-thaw cycles ≥ 0,5 N/mm A.6.6
2
Tensile adhesion strength after contact with lime water ≥ 0,5 N/mm A.6.9
No penetration
Waterproofing and A.7
≤ 20 g weight gain
Crack bridging ability under standard conditions ≥ 0,75 mm A.8.2
1 b OPTIONAL CHARACTERISTICS
Characteristic Requirement Test method
2
Tensile adhesion strength after contact with chlorinated water (P) ≥ 0,5 N/mm A.6.7 or A.6.8
Crack bridging ability at low temperature (- 5°C) (O1) ≥ 0,75 mm A.8.3
Crack bridging ability at very low temperature (- 20°C) (O2) ≥ 0,75 mm A.8.3

4.2 Release of dangerous substances
Materials used in products shall not release any dangerous substances in excess of the maximum permitted
levels specified in a relevant European Standard for the material or permitted in the national regulations of the
member state of destination.
National regulations on dangerous substances may require verification and declaration on release, and
sometimes content, when construction products covered by this standard are placed on those markets. In the
absence of European harmonised test methods, verification and declaration on release/content should be
done taking into account national provisions in the place of use.
NOTE An informative database covering European and national provisions on dangerous substances is available at
the Construction web site on EUROPA accessed through: http://ec.europa.eu/enterprise/construction/cpd-ds/‖
5 Testing, assessment and sampling methods
Testing and assessment methods and requirements for sampling shall be as set out in Annex A.
6 Assessment and verification of constancy of performance – AVCP
6.1 General
The compliance of liquid-applied water impermeable products with the requirements of this standard and with
the performances declared by the manufacturer in the DoP shall be demonstrated by:
 determination of the product type on the base of type testing;
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 factory production control by the manufacturer, including product assessment.
The manufacturer shall always retain the overall control and shall have the necessary means to take
responsibility for the conformity of the product with its declared performances.
6.2 Type testing
6.2.1 General
All performances related to characteristics included in this standard shall be determined when the
manufacturer intends to declare the respective performances unless the standard gives provisions for
declaring them without performing tests. (e.g. use of previously existing data, CWFT and conventionally
accepted performance).
Assessment previously performed in accordance with the provisions of this standard, may be taken into
account provided that they were made to the same or a more rigorous test method, under the same AVCP
system on the same product or products of similar design, construction and functionality, such that the results
are applicable to the product in question.
For the purposes of assessment, the liquid applied water impermeable products may be grouped into families,
where it is considered that the results for one or more characteristics from any one product within the family
are representative for that same characteristics for all products within that same family
NOTE 1 Products may be grouped in different families for different characteristics.
NOTE 2 Reference to the assessment method standards should be made to allow the selection of a suitable
representative sample.
In addition, the determination of the product type shall be performed for all characteristics included in the
standard for which the manufacturer declares the performance:
 at the beginning of the production of a new liquid applied water impermeable product (unless a member
of the same product range), or
 at the beginning of a new or modified method of production (where this may affect the stated properties),
or
 they shall be repeated for the appropriate characteristic(s), whenever a change occurs in the product
design, in the raw material or in the supplier of the components, or in the method of production (subject to
the definition of a family), which would affect significantly one or more of the characteristics.
Only one TT is required where different manufacturing units are producing the same product, for the same
manufacturer, using the same materials (having the same performance) and documented production and
process control.
Where components (e.g. cement) are used whose characteristics have already been determined by the
component supplier on the basis of conformity with other product standards, these characteristics need not be
re-assessed to demonstrate compliance with the European Standard. The specifications of these components
shall be documented.
Products bearing regulatory marking in accordance with appropriate harmonized European specifications may
be presumed to have the performances declared in the DoP, although this does not replace the responsibility
on the liquid-applied water impermeable products manufacturer to ensure that liquid-applied water
impermeable products as a whole is correctly manufactured and its component products have the declared
performance values.
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6.2.2 Test samples, testing and compliance criteria
The number of samples of liquid-applied water impermeable product and the testing method to be
tested/assessed shall be in accordance with Annex A (A.6, A.7 and A.8) and Table 2.
Table 2 — Number of samples to be tested and compliance criteria
Assessment No. of Compliance
Characteristic Requirement
method samples criteria
Initial tensile adhesion strength 4 A.6 1 4, table 1.a
Tensile adhesion strength after water contact 4 A.6 1 4, table 1.a
Tensile adhesion strength after heat ageing 4 A.6 1 4, table 1.a
Tensile adhesion strength after freeze-thaw
4 A.6 1 4, table 1.a
cycles
Tensile adhesion strength after contact with
4 A.6 1 4, table 1.a
lime water
Waterproofing 4 A.7 1 4, table 1.a
Crack-bridging ability under standard
4 A.8 1 4, table 1.a
conditions
Tensile adhesion strength after contact with
4 A.6 1 4, table 1.b
chlorinated water
Crack-bridging ability at low temperature 4 A.8 1 4, table 1.b

6.2.3 Test reports
The results of the determination of the product type shall be documented in test reports. All test reports shall
be retained by the manufacturer for at least 10 years after the last date of production of the liquid-applied
water impermeable product to which they relate.
6.2.4 Shared other party results
A manufacturer may use the results of the product type determination obtained by someone else (e.g. by
another manufacturer, as a common service to manufacturers, or by a product developer), to justify his own
declaration of performance regarding a product that is manufactured according to the same design (e.g.
dimensions) and with raw materials, constituents and manufacturing methods of the same kind, provided that:
 the results are known to be valid for products with the same essential characteristics relevant for the
product performance;
 in addition to any information essential for confirming that the product has such same performances
related to specific essential characteristics, the other party who has carried out the determination of the
product type concerned or has had it carried out, has expressly accepted (by licence, contract, or any
other type of written consent) to transmit to the manufacturer the results and the test report to be used for
the latter’s product type determination, as well as information regarding production facilities and the
production control process that can be taken into account for FPC;
 the manufacturer using other party results accepts to remain responsible for the product having the
declared performances and he also:
 ensures that the product has the same characteristics relevant for performance as the one that has been
subjected to the determination of the product type, and that there are no significant differences with
regard to production facilities and the production control process compared to that used for the product
that was subjected to the determination of the product type; and
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 keeps available a copy of the determination of the product type report that also contains the information
needed for verifying that the product is manufactured according to the same design and with raw
materials, constituents and manufacturing methods of the same kind.
6.3 Factory Production Control (FPC)
6.3.1 General
The manufacturer shall establish, document and maintain an FPC system to ensure that the products placed
on the market comply with the declared performance of the essential characteristics.
The FPC system shall consist of procedures, regular inspections and tests and/or assessments and the use of
the results to control raw and other incoming materials or components, equipment, the production process and
the product.
All the elements, requirements and provisions adopted by the manufactur
...