Ceramic tiles — Guidelines for installation — Part 2: Installation of thin ceramic wall and floor tiles and panels

ISO/TS 17870-2:2014 defines the quality of thin ceramic tiling and provides guidance for materials selection, installation, and use, to ensure that required levels of quality and performance are achieved. It considers all aspects related to the specification and installation of the tiling project, in terms of: manufacture and distribution of the materials (thin ceramic tiles and panels, adhesives, grouts, etc.); specification of the thin tiling; and installation of the tiling (thin tile fixing operations). It is applicable to internal and external thin ceramic floor and wall tiling, installed by adhesive methods.

Carreaux et dalles céramiques — Lignes directrices pour l'installation — Partie 2: Installation des carreaux et dalles céramiques minces au sol et aux murs

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Status
Published
Publication Date
13-Aug-2015
Current Stage
6060 - International Standard published
Start Date
14-Aug-2015
Completion Date
14-Aug-2015
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TECHNICAL ISO/TR
REPORT 17870-2
First edition
2015-08-15
Ceramic tiles — Guidelines for
installation —
Part 2:
Installation of thin ceramic wall and
floor tiles and panels
Carreaux et dalles céramiques — Lignes directrices pour
l’installation —
Partie 2: Installation des carreaux et dalles céramiques minces au
sol et aux murs
Reference number
ISO/TR 17870-2:2015(E)
ISO 2015
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ISO/TR 17870-2:2015(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2015, Published in Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
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Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2015 – All rights reserved
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ISO/TR 17870-2:2015(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

3.1 General ........................................................................................................................................................................................................... 2

3.2 Components of thin ceramic tiling ......................................................................................................................................... 2

3.3 Thin tiling techniques and operations ................................................................................................................................ 3

3.4 Characteristics/aspects of thin ceramic tiling ............................................................................................................. 4

4 Exchange of information .............................................................................................................................................................................. 5

5 Materials ....................................................................................................................................................................................................................... 5

5.1 General ........................................................................................................................................................................................................... 5

5.2 Basic materials ........................................................................................................................................................................................ 5

5.3 Basic information .................................................................................................................................................................................. 6

6 Specification .............................................................................................................................................................................................................. 8

6.1 General ........................................................................................................................................................................................................... 8

6.2 The project data ..................................................................................................................................................................................... 8

6.2.1 Installation location and working conditions ......................................................................................... 8

6.2.2 Backgrounds ........................................................................................................................................................................ 9

6.3 Selection and specification of the materials ...............................................................................................................10

6.3.1 Criterion of performance .......................................................................................................................................11

6.3.2 Criterion of compatibility ......................................................................................................................................11

6.3.3 Criterion of safety.........................................................................................................................................................11

6.3.4 Adhesives ...................................................................... .......................................................................................................11

6.4 Specification of the thin tiling .................................................................................................................................................12

6.4.1 Thin tiling system .........................................................................................................................................................12

6.4.2 Thin tile joints .................................................................................................................................................................12

6.4.3 Movement joints ............................................................................................................................................................13

7 Installation ..............................................................................................................................................................................................................14

7.1 General ........................................................................................................................................................................................................14

7.2 Analysis of the specification and planning of the work ....................................................................................14

7.3 Control of environmental conditions ................................................................................................................................15

7.4 Storage and control of the materials .................................................................................................................................15

7.5 Control and preparation of the background, preparation of the bedding material,

application of bedding and thin tiles and panels....................................................................................................16

7.6 Installation of movement joints ............................................................................................................................................17

7.7 Cleaning and protection ...............................................................................................................................................................17

8 Quality of thin ceramic tiling: characteristics and requirements ..................................................................17

8.1 General characteristics of thin ceramic tiling ............................................................................................................17

8.2 Guidelines for the specification of the requirements and their recommended tolerances 18

8.2.1 General...................................................................................................................................................................................18

8.2.2 Regularity ............................................................................................................................................................................18

8.2.3 Durability ............................................................................................................................................................................20

8.2.4 Safety .......................................................................................................................................................................................20

9 Initial cleaning, protection, and maintenance ....................................................................................................................22

9.1 General ........................................................................................................................................................................................................22

9.2 Initial cleaning ......................................................................................................................................................................................22

9.3 Protection .................................................................................................................................................................................................22

9.4 Treatment .................................................................................................................................................................................................22

9.4.1 Surface waterproofing treatments ................................................................................................................22

9.4.2 Temporary thin ceramic tile or thin ceramic panel sealers .....................................................23

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ISO/TR 17870-2:2015(E)

9.5 Maintenance ...........................................................................................................................................................................................23

Bibliography .............................................................................................................................................................................................................................24

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ISO/TR 17870-2:2015(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the meaning of ISO specific terms and expressions related to conformity

assessment, as well as information about ISO’s adherence to the WTO principles in the Technical

Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information

The committee responsible for this document is ISO/TC 189, Ceramic tile.

ISO/TR 17870 consists of the following parts, under the general title Ceramic tiles — Guidelines for

installation:
— Part 1: Installation of ceramic wall and floor tiles
— Part 2: Installation of thin ceramic wall and floor tiles and panels
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ISO/TR 17870-2:2015(E)
Introduction
There are currently International Standards available for
— ceramic tiles, and
— adhesives and grouts for tiles.

NOTE ISO test methods for thin ceramic tiles and panels, as well as ISO 13007-5 dealing with liquid-applied

waterproofing membranes for use beneath ceramic tiling bonded with adhesives, are under preparation.

For these products to give satisfactory service, they need to be selected and installed competently, and

they have to receive appropriate initial treatment, protection, and maintenance.

Some countries have published standards and/or guides that specify the design and installation of

ceramic tiling. The purpose of ISO/TR 17870 is to foster good installation practices for thin ceramic

wall and floor tiles and panels, internationally.
vi © ISO 2015 – All rights reserved
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TECHNICAL REPORT ISO/TR 17870-2:2015(E)
Ceramic tiles — Guidelines for installation —
Part 2:
Installation of thin ceramic wall and floor tiles and panels
1 Scope

This part of ISO/TR 17870 defines the quality of thin ceramic tiling and provides guidance for materials

selection, installation, and use, to achieve required levels of quality and performance.

It considers aspects related to the specification and installation of the tiling project, in terms of:

— manufacture and distribution of the materials (thin ceramic tiles and panels, adhesives, grouts, etc.),

— specification of the thin tiling, and
— installation of the tiling (thin tile fixing operations).

It is applicable to internal and external thin ceramic floor and wall tiling, installed by adhesive methods.

NOTE The quality of thin ceramic tiling depends on the following general characteristics:

— regularity;
— durability;
— safety.
The durability of the thin tiling can depend on its use and management.
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.

ISO 13006, Ceramic tiles — Definitions, classification, characteristics and marking

ISO 13007-1, Ceramic tiles — Grouts and adhesives — Part 1: Terms, definitions and specifications for

adhesives

ISO 13007-3, Ceramic tiles — Grouts and adhesives — Part 3: Terms, definitions and specifications for grouts

ISO 13007-5 , Ceramic tiles — Grouts and adhesives — Part 5: Liquid applied waterproofing membranes for

use beneath ceramic tiling bonded with adhesives — Requirements, test methods, evaluation of conformity,

classification and designation
3 Terms and definitions

For the purposes of this document, the terms and definitions given ISO 13006, ISO 13007-1, ISO 13007-3,

ISO 13007-5, and the following apply.
1) To be published.
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ISO/TR 17870-2:2015(E)
3.1 General
3.1.1
thin ceramic tile

ceramic tile with thickness ≤5,5 mm, surface area ≤3 600 cm , and no tile edge > 600 mm or a ceramic

tile declared as a thin ceramic tile by its manufacturer or having properties meeting an international or

national standard for thin ceramic tiles
3.1.2
thin ceramic large format tile

ceramic tile with thickness ≤5,5 mm, surface area >3 600 cm , and no tile edge >1 200 mm or a ceramic

tile declared as a thin ceramic large format tile by its manufacturer or having properties meeting an

international or national standard for thin ceramic large format tiles
3.1.3
thin ceramic panel

ceramic panel with thickness ≤5,5 mm, surface area >1 m , and any tile edge > 1 200 mm or a ceramic

tile declared as a thin ceramic panel by its manufacturer or having properties meeting an international

or national standard for thin ceramic panels
3.1.4
thin ceramic tiling

thin ceramic tiles and panels installed, together with its associated bedding and jointing

3.1.5
design (of thin ceramic tiling)
specification (of thin ceramic tiling)

selection of thin ceramic tiles and panels, backgrounds, fixing methods, and fixing and jointing materials

as appropriate for the structure and intended use
3.1.6
installation (of thin ceramic tiling)
thin tile fixing
application of thin ceramic tiling in accordance with the specification
3.2 Components of thin ceramic tiling
3.2.1
background

any material system used as a base over which the thin ceramic tile or panel is to be fixed

3.2.2
filling out layer

separate application of material to achieve the required vertical flatness (walls)

EXAMPLE Plaster, render, proprietary tile backer boards.
3.2.3
fixing surface
plane rigid surface upon which the thin tile or panel is fixed
3.2.4
insulating layer
layer included to obtain sound or thermal insulation
3.2.5
intermediate joint

movement joint to divide large areas of tiling into smaller, approximately square areas

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ISO/TR 17870-2:2015(E)
3.2.6
levelling layer

layer applied to compensate for unevenness and differences in height of the base or to accommodate

services (floors)
3.2.7
movement joint

joint in thin tiles or panels, backgrounds or substrates, designed to accommodate movement

Note 1 to entry: Types of movement joints: structural joint, perimeter joint, intermediate joint.

3.2.8
perimeter joint

movement joint to isolate the thin ceramic tiling from adjacent building elements

3.2.9
primer

fluid material, used separately or mixed with binder to form a slurry, applied as a thin layer to improve

adhesion of the bedding to the background, or to isolate the bedding material from the background surface

3.2.10
separating layer
material which separates layers within the thin tiling system (floors)
3.2.11
structural joint

movement joint in thin ceramic tiling to correspond with structural movement joint in the background

3.2.12
tile bed
bedding

layer of specified materials in which the thin tile or panel is set and which bonds the thin tiles or panels

to the background
3.2.13
tile joint
space between adjacent thin tiles or panels
3.2.14
waterproofing membrane
continuous layer of impervious material to resist the passage of water
3.3 Thin tiling techniques and operations
3.3.1
bonded method
floor tiling laid with a system where the bedding is bonded to the background
3.3.2
buttering method

adhesive applied to the back of the thin tile or panel, just before the tile or panel is placed

3.3.3
contact area

proportion of the thin tile or panel back and/or background support that is in contact with the bedding

after the thin tile or panel has been fixed into position
3.3.4
direct bedding
thin tile or panel fixing directly onto a structural background
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ISO/TR 17870-2:2015(E)
3.3.5
floating method

adhesive applied to the fixing surface, just before the thin tile or panel is placed

3.3.6
floating and buttering method

adhesive applied to the fixing surface and to the back of the thin tile or panel, just before the thin tile or

panel is placed
3.3.7
grouting

operation of filling the joint space between thin tiles or panels other than at movement joints

3.3.8
maintenance (of thin ceramic tiling)

all aspects of the cleaning, treatment, and periodic repair of damage to the thin ceramic tiling

3.3.9
plastering
application of a gypsum plaster to a vertical background
3.3.10
rendering
application of a cement mortar to a vertical background
3.3.11
screeding
application of a screed on a floor background
3.3.12
tanking

application of an impermeable layer beneath thin tiling and bedding to prevent water penetration into

the background
3.3.13
unbonded method

any method of laying floors which provides separation of the thin tiling system from the background

3.4 Characteristics/aspects of thin ceramic tiling
3.4.1
durability
quality of thin tiling which maintains its characteristics over time
3.4.2
flatness

conformity of the surface of the thin tiling to a theoretical plane within an allowable tolerance

3.4.3
levelness

conformity of the surface of thin floor tiling to a fixed horizontal level within an allowable tolerance

3.4.4
lipping

deviation between thin tile surfaces either side of a joint (including movement joints)

3.4.5
plumbness

conformity of the surface of thin wall tiling, designed to be vertical, to a fixed plane within an

allowable tolerance
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3.4.6
slip resistance

ability of a thin floor tile to provide sufficient friction to resist slipping by pedestrians

4 Exchange of information

In order for the correct floor/wall covering to be installed in appropriate conditions, at the right time,

etc., it is essential that all parties have a clear understanding of the requirements of the project. To

ensure that this is achieved, it is essential that there is wide consultation between all the parties

involved in the project, including client, sub-contractors, and materials suppliers.

As each project will be unique, it is impossible to give a definitive list of the information to be exchanged,

but the following are common examples.
a) Specification: the information required (see Clause 6).

b) Special attendances: access, unloading, hoisting and storage facilities, heat, light and power, and

any additional items considered necessary to expedite the work.

c) Materials: technical specification and instructions for transport, storage, use.

d) Backgrounds: type and age of construction; location within the building; type, characteristics

(mechanical strength, deformation, etc.), and regularity of background (see Clause 6); and any need

for an intermediate substrate or for movement joints.

e) Associated work: services embedded in or passing through the backgrounds and junctions with

other adjacent finishes

f) Finishes: type, size, and colour of thin tiles or panels and layout requirements.

g) Installation: type and technique (see Clause 7).

h) Programme: a time schedule for the progress of the work taking into consideration drying and

curing periods of backgrounds and thin tiling until completion
5 Materials
5.1 General

This clause identifies and lists the materials that can be involved in a thin ceramic tiling installation

using thin ceramic tiles or thin ceramic panels, and defines the main information and rules that apply

to these materials.

The identification and selection of materials suitable for any given application are aspects of the

specification. The relative criteria are therefore set out in 6.3.
5.2 Basic materials
The basic materials for “thin” tiling can be the following:
— finishing layer:
— thin ceramic tiles or thin ceramic panels;
— cementitious grouts;
— reaction resin grouts;
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ISO/TR 17870-2:2015(E)
— pre-prepared or proprietary grouts;
— bedding:
— adhesives;
— admixtures;
— water;
— movement joints:
— sealants;
— primers;
— back-up material;
— special components (profile, etc.).
Additional intermediate layers can be the following:
— primers;
— separating layer;
— filling out layer;
— levelling layer;
— anti-fracture/de-coupling membranes;
— waterproofing membrane;
— insulating layers (sound, thermal);
— reinforced screed, etc.
5.3 Basic information
For each material, the following basic information should be provided.
a) Classification
With reference to ISO 13006, ISO 13007-1, ISO 13007-3, ISO 13007-5.
b) Safety requirements
The specification should define the safety requirements.
NOTE Safety requirements can be defined in national regulations.
c) Materials transport, storage use
d) Technical information

The technical information for a given material is usually in the form of a document, supplied by the

manufacturer, containing a list of the technical characteristics as specified in the standards (where

available, see Section 2 and Bibliography) and the results of the respective measurements, carried

out according to the standardized test methods.

The information document is a basic requirement for the correct and knowledgeable selection,

application, and use of materials for thin tiling.
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ISO/TR 17870-2:2015(E)
— All materials
— The delivery of materials should be so arranged as to minimize handling.

— Adequate precautions should be taken to prevent damage. Products should be stored in

clean, dry, frost free (if necessary) secure storage to avoid theft and damage.

— The materials should be transported, stored, prepared, and used strictly in accordance

with the manufacturer’s instructions (when applicable).

— Thin ceramic panels can require specially designed equipment and more than one person

for handling them during and after removal from the manufacturer’s original packaging,

as well as for the actual installation of the panels (see Figure 1). This is because very large

thin ceramic panels can deform and fracture if lifted or moved incorrectly.
— Cement and cement-based materials
— Cement should be stored under dry conditions, and used in order of delivery.
— Cement that contains air set lumps should not be used.
— Grout

— In order to avoid colour differences, the same batches of sand and cement should be used

for mixing the grout.
— Sand and aggregates
— Sand and aggregates should be protected from contamination.
— Any contaminated sand or aggregates should not be used.
— Water
— Water should be clean. Seawater is not suitable.
— All containers used for storing or carrying water should be clean.
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ISO/TR 17870-2:2015(E)
Vacuum
Pads
Figure 1 — Light alloy frame with vacuum pads
6 Specification
6.1 General

The specification of tiling using thin ceramic tiles or thin ceramic panels aims to identify and define,

in any specific situation, one or more correct fixing method, suitable to achieve an acceptable finish

complying with the general requirements of regularity, durability and safety (see Clause 8).

Specification is considered to be a duty of the designer or specifier in consultation with the project

owner and with the specification approved by the project owner.
6.2 The project data
The project information constitutes the basis of the thin tiling specification.
6.2.1 Installation location and working conditions

The following criteria should be considered at the design stage as a basis for the specification of the

materials and the thin tiling system.
Information on the location of the installation:

— the position of the thin tiling: horizontal (floors), vertical (walls), other (for example, inclined, vault,

ceiling, etc.);
— the location of the thin tiling: outdoor/external or indoor/internal;
— the nature of the location: private/residential or public;

— the destined use of the location: domestic or commercial, private or public, etc.;

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ISO/TR 17870-2:2015(E)
— the specific activities which will be carried out in the thin tiled area.
Information on working conditions:
— climate (for external thin tiling);
— location (for example, urban, industrial, etc.) for external thin tiling;

— expected traffic type (for example, pedestrian, wheels, etc.) and intensity (for floors);

— expected static and dynamic loads on thin floor tiling;
— presence of water or other fluids on the thin tiled surface;
— presence of chemicals on the thin tiled surface.
The information above should be used to anticipate:

— the expected level of mechanical, abrasive, chemical wetting, and thermal loads acting on the thin

tiling and the suitability for purpose of the thin tile or panel selected, and

— general (not individual) requirements regarding safety (for example, slip resistance, hygiene, etc.)

or other additional requirements.
6.2.2 Backgrounds

The nature of the background is a prime consideration in deciding the fixing method (specification of

materials — i
...

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