Flexible sheets for waterproofing - Determination of the resistance to wind load of roof build-up system with bonded waterproofing systems

This European Standard specifies the test method to determine the resistance to wind load of the roof build-up system with the waterproofing system bonded to the substrate.

Abdichtungsbahnen - Bestimmung der Widerstandsfähigkeit gegen Windlast bei verklebten Dachabdichtungsbahnen

Dieses Dokument legt die Prüfverfahren zur Bestimmung der Widerstandsfähigkeit gegen Windlast des Dachaufbausystems mit auf dem Untergrund verklebtem Abdichtungssystem fest.

Feuilles souples d’étanchéité - Détermination de la résistance à l’arrachement au vent d’un système de toiture avec système d’étanchéité adhérent

Le présent document spécifie une méthode d’essai visant à déterminer la résistance à l’arrachement au vent d’un système de toiture dont le système d’étanchéité est adhérent au support.

Hidroizolacijski trakovi - Določanje odpornosti proti vetrni obremenitvi strešnega sistema z vezanimi vodoodpornimi sistemi

General Information

Status
Published
Public Enquiry End Date
14-Sep-2021
Publication Date
16-Jan-2023
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Dec-2022
Due Date
05-Feb-2023
Completion Date
17-Jan-2023

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SLOVENSKI STANDARD
SIST EN 17686:2023
01-februar-2023

Hidroizolacijski trakovi - Določanje odpornosti proti vetrni obremenitvi strešnega

sistema z vezanimi vodoodpornimi sistemi

Flexible sheets for waterproofing - Determination of the resistance to wind load of roof

build-up system with bonded waterproofing systems
Abdichtungsbahnen - Bestimmung der Widerstandsfähigkeit gegen Windlast bei
verklebten Dachabdichtungsbahnen

Feuilles souples d’étanchéité - Détermination de la résistance à l’arrachement au vent

d’un système de toiture avec système d’étanchéité adhérent
Ta slovenski standard je istoveten z: EN 17686:2022
ICS:
91.060.20 Strehe Roofs
91.100.50 Veziva. Tesnilni materiali Binders. Sealing materials
SIST EN 17686:2023 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 17686:2023
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SIST EN 17686:2023
EN 17686
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 91.100.50
English Version
Flexible sheets for waterproofing - Determination of the
resistance to wind load of roof build-up system with
bonded waterproofing systems

Feuilles souples d'étanchéité - Détermination de la Abdichtungsbahnen - Bestimmung der

résistance à l'arrachement au vent d'un système de Widerstandsfähigkeit gegen Windlast bei verklebten

toiture avec système d'étanchéité adhérent Dachabdichtungsbahnen
This European Standard was approved by CEN on 12 September 2022.

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, Türkiye 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

© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17686:2022 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 17686:2023
EN 17686:2022 (E)
Contents Page

European foreword ............................................................................................................................................ 3

Introduction .......................................................................................................................................................... 4

1 Scope .......................................................................................................................................................... 5

2 Normative references .......................................................................................................................... 5

3 Terms and definitions ......................................................................................................................... 5

4 Symbols and abbreviations ............................................................................................................... 7

5 Sampling ................................................................................................................................................... 7

6 Test conditions ...................................................................................................................................... 7

7 Apparatus and additional devices .................................................................................................. 7

8 Test specimen ........................................................................................................................................ 9

9 Testing .................................................................................................................................................... 11

10 Test results ............................................................................................................................................ 15

11 Test report ............................................................................................................................................. 15

---------------------- Page: 4 ----------------------
SIST EN 17686:2023
EN 17686:2022 (E)
European foreword

This document (EN 17686:2022) has been prepared by Technical Committee CEN/TC 254 “Flexible

sheets for waterproofing”, the secretariat of which is held by NEN.

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 2023, and conflicting national standards shall be

withdrawn at the latest by April 2023.

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.

Any feedback and questions on this document should be directed to the users’ national standards body.

A complete listing of these bodies can be found on the CEN website.

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, 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, Türkiye and the United

Kingdom.
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SIST EN 17686:2023
EN 17686:2022 (E)
Introduction

The test is performed on a test configuration, e.g. a load-bearing structure, an air and vapour control layer

(AVCL), a layer of insulation material and the partial or fully bonded roof waterproofing sheets.

The result of this document is the resistance to wind load of the flexible roof waterproofing system

expressed as the characteristic load per square metre. Safety and correction factors can be defined by

national regulation and/or within European or national application documents.
---------------------- Page: 6 ----------------------
SIST EN 17686:2023
EN 17686:2022 (E)
1 Scope

This document specifies the test method to determine the resistance to wind load of the roof build-up

system with the waterproofing system bonded to the substrate.
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 13707, Flexible sheets for waterproofing - Reinforced bitumen sheets for roof waterproofing - Definitions

and characteristics

EN 13956, Flexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing - Definitions

and characteristics

EN 13416, Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing -

Rules for sampling

ISO/IEC Guide 98-3, Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in

measurement (GUM:1995)
3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 13707, EN 13956 and the

following apply.

ISO and IEC maintain terminology databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org
3.1
air open system

roof build-up system with air flow from the outside of the test specimen onto the underside of the

waterproofing system
3.2
air tight system

roof build-up system without air flow from the outside of the test specimen onto the underside of the

waterproofing system
3.3
air and vapour control layer
AVCL

layer used to limit or prevent the transportation of air and water vapour into the layers of the roof build-

up system above the structural deck
3.4
bonded flexible sheets
flexible sheets adhered to a substrate by cold or hot bonding
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SIST EN 17686:2023
EN 17686:2022 (E)
3.5
cold bonding

adhering a waterproofing system to a substrate without the use of additional heat with or without adding

adhesive
3.6
fastening system
element(s) intended to secure the insulation boards to the structural deck
3.7
hot bonding

adhering a waterproofing system to a substrate by heating the surface of the sheet or by adding heated

adhesive
3.8
jointing technique
technique of material-specific seam and butt jointing of flexible sheets
3.9
roof build-up system

total build-up of all the different layers which forms the roof from the top of the structural deck

Note 1 to entry: The system could for instance include layers such as AVCL(s), layer(s) of insulation material and

layer(s) of the partial or fully bonded roof waterproofing sheet(s).
3.10
structural deck

construction part which has to transfer both permanent and variable loads to the other construction parts

of the roof or building
3.11
substrate
layer placed directly below the waterproofing system

Note 1 to entry: The substrate is the next surface below the waterproofing system within the roof build-up system.

This could be e.g. the insulation board, plywood, concrete deck.
3.12
test specimen
representative part of the roof build-up system
3.13
waterproofing system

assembly of one or more layers of flexible sheets in its applied and jointed form to be used on a roof,

which has certain performance characteristics, to be assessed as a whole

Note 1 to entry: This definition is in line with EN 13707 and EN 13956, but slightly adjusted to fit the purpose of

this document.
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SIST EN 17686:2023
EN 17686:2022 (E)
4 Symbols and abbreviations
For the purposes of this document, the following symbols apply.
Unit
g number of gusts, specified for each “proportional” peak load in a cycle -
i proportional part of P100 %;n %
n number of cycles until failure -
n number of the cycle at which the test specimen fails -
P applied suction pressure during the gust N/m
P peak pressure in the pressure chamber during a gust N/m
P peak pressure in the pressure chamber during a cycle (n) N/m
100 %;n
P peak pressure of the cycle preceding the cycle of failure N/m
100 %;nf-1
t time s
ΔW maximum peak load per cycle (n) N/m
100 %;n
ΔW applied load N/m

Wchar characteristic load for resistance to wind uplift of the bonding of the roof N/m

build-up system with bonded waterproofing system
ΔW peak load N/m
5 Sampling

If required the flexible sheets for roof waterproofing shall be sampled according to EN 13416 and all

additional components to construct the test specimen shall be sampled according to the sampling

requirements of the relevant European harmonized technical specifications or to the instructions of the

applicant.
6 Test conditions

The test specimen and the apparatus shall be conditioned in an environment of (23 ± 5) °C for at least

16 h prior to the test.
The test specimen shall be tested under the same conditions.
7 Apparatus and additional devices
7.1 Pressure chamber
7.1.1 General
The pressure chamber shall meet the following requirements:

— The internal length and width of the pressure chamber shall be according to 7.1.2.

— The pressure chamber shall be provided with one or more windows in such a way that the test

specimen can be observed during testing.

— It shall be possible to create an airtight seal between the test specimen and the pressure chamber.

---------------------- Page: 9 ----------------------
SIST EN 17686:2023
EN 17686:2022 (E)

— The pressure chamber is recommended to be capable of resisting a suction pressure of at least

10 000 N/m .
— The height of the press
...

SLOVENSKI STANDARD
oSIST prEN 17686:2021
01-september-2021

Hidroizolacijski trakovi - Določanje odpornosti proti vetrni obremenitvi strešnega

sistema z vezanimi vodoodpornimi sistemi

Flexible sheets for waterproofing – Determination of the resistance to wind load of roof

build-up system with bonded waterproofing systems
Abdichtungsbahnen - Bestimmung der Widerstandsfähigkeit gegen Windlast bei
verklebten Dachabdichtungsbahnen

Feuilles souples d’étanchéité - Détermination de la résistance à l’arrachement au vent

d’un système de toiture avec système d’étanchéité adhérent
Ta slovenski standard je istoveten z: prEN 17686
ICS:
91.060.20 Strehe Roofs
91.100.50 Veziva. Tesnilni materiali Binders. Sealing materials
oSIST prEN 17686:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 17686:2021
---------------------- Page: 2 ----------------------
oSIST prEN 17686:2021
DRAFT
EUROPEAN STANDARD
prEN 17686
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2021
ICS 91.100.50
English Version
Flexible sheets for waterproofing - Determination of the
resistance to wind load of roof build-up system with
bonded waterproofing systems
Abdichtungsbahnen - Bestimmung der
Widerstandsfähigkeit gegen Windlast bei verklebten
Dachabdichtungsbahnen

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

CEN/TC 254.

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, Republic of North Macedonia, Romania, Serbia, 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: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17686:2021 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
oSIST prEN 17686:2021
prEN 17686:2021 (E)
Contents Page

European foreword ............................................................................................................................................ 3

Introduction .......................................................................................................................................................... 4

1 Scope .......................................................................................................................................................... 5

2 Normative references .......................................................................................................................... 5

3 Terms and definitions ......................................................................................................................... 5

4 Symbols and abbreviations ............................................................................................................... 7

5 Sampling ................................................................................................................................................... 7

6 Test conditions ...................................................................................................................................... 7

7 Apparatus and additional devices .................................................................................................. 7

8 Test specimen ........................................................................................................................................ 9

9 Testing .................................................................................................................................................... 11

10 Test results ............................................................................................................................................ 15

11 Test report ............................................................................................................................................. 15

---------------------- Page: 4 ----------------------
oSIST prEN 17686:2021
prEN 17686:2021 (E)
European foreword

This document (prEN 17686:2021) has been prepared by Technical Committee CEN/TC 254 “Flexible

sheets for waterproofing”, the secretariat of which is held by NEN.
This document is currently submitted to the CEN Enquiry.
---------------------- Page: 5 ----------------------
oSIST prEN 17686:2021
prEN 17686:2021 (E)
Introduction

The test is performed on a test configuration, e.g. a load-bearing structure, an AVCL, a layer of insulation

material and the partial or fully bonded roof waterproofing sheets.

For the calculation of the performance of wind load resistance of the whole roof, see the relevant national

and/or international standards.

The result of this document is the resistance to wind load of the flexible roof waterproofing system

expressed as the characteristic load per square metre. Safety and correction factors can be defined by

national regulation and/or within European or national application documents.
---------------------- Page: 6 ----------------------
oSIST prEN 17686:2021
prEN 17686:2021 (E)
1 Scope

This document specifies the test method to determine the resistance to wind load of the roof build-up

system with the waterproofing system bonded to the substrate.
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 13707:2004+A2:2009, Flexible sheets for waterproofing - Reinforced bitumen sheets for roof

waterproofing - Definitions and characteristics

EN 13956:2012, Flexible sheets for waterproofing - Plastic and rubber sheets for roof waterproofing -

Definitions and characteristics

EN 13416, Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing -

Rules for sampling

ISO/IEC Guide 98-3:2008, Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in

measurement (GUM:1995)
3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 13707:2004+A2:2009,

EN 13956:2012 and the following apply.
3.1
air open system

roof build-up system with air flow from the outside of the test specimen onto the underside of the

waterproofing system
3.2
air tight system

roof build-up system without air flow from the outside of the test specimen onto the underside of the

waterproofing system
3.3
air and vapour control layer
AVCL

layer used to limit or prevent the transportation of air and water vapour into the layers of the roof build-

up system above the structural deck
3.4
bonded flexible sheets
flexible sheets adhered to a substrate by cold or hot bonding
3.5
cold bonding

adhering a waterproofing system to a substrate without the use of additional heat with or without adding

adhesive
---------------------- Page: 7 ----------------------
oSIST prEN 17686:2021
prEN 17686:2021 (E)
3.6
fastening system
element(s) intended to secure the insulation boards to the structural deck
3.7
hot bonding

adhering a waterproofing system to a substrate by heating the surface of the sheet or by adding heated

adhesive
3.8
jointing technique
technique of material-specific seam and butt jointing of flexible sheets
3.9
roof build-up system

total build-up of all the different layers which forms the roof from the structural deck to waterproofing

system

Note 1 to entry: The system could for instance include layers such as AVCL(s), layer(s) of insulation material and

layer(s) of the partial or fully bonded roof waterproofing sheet(s).
3.10
structural deck

layer which has to transfer both permanent and variable loads to the other construction parts of the roof

or building
3.11
substrate
layer placed directly below the waterproofing system

Note 1 to entry: The substrate is the next surface below the waterproofing system within the roof build-up system.

This could be e.g. the insulation board, plywood, concrete deck.
3.12
test specimen
representative part of the roof build-up system
3.13
waterproofing system

assembly of one or more layers of flexible sheets in its applied and jointed form to be used on a roof,

which has certain performance characteristics, to be assessed as a whole

Note 1 to entry: This definition is in line with EN 13707:2004+A2:2009 and EN 13956:2012, but slightly adjusted

to fit the purpose of this document.
---------------------- Page: 8 ----------------------
oSIST prEN 17686:2021
prEN 17686:2021 (E)
4 Symbols and abbreviations
For the purposes of this document, the following symbols apply.
Unit
number of gusts, specified for each “proportional” peak load in a cycle -
i proportional part of P100 %;n %
number of cycles until failure -
n number of the cycle at which the test specimen fails -
P peak pressure in the pressure chamber during a gust N/m
P peak pressure in the pressure chamber during a cycle (n) N/m
100 %;n
P peak pressure of the cycle preceding the cycle of failure N/m
100 %;nf-1
time s
ΔW100 %;n
maximum peak load per cycle (n) N/m
ΔWa
applied load N/m
W characteristic load for resistance to wind uplift of the bonding of the N/m
char
build-up system with bonded waterproofing system
peak load N/m
5 Sampling

If required the flexible sheets for roof waterproofing shall be sampled according to EN 13416 and all

additional components to construct the test specimen shall be sampled according to the sampling

requirements of the relevant European harmonized technical specifications or to the instructions of the

applicant.
6 Test conditions

The test specimen and the apparatus shall be conditioned in an environment of (23 ± 5) °C for at least

16 h prior to the test.
The test specimen shall be tested under the same conditions.
7 Apparatus and additional devices
7.1 Pressure chamber
7.1.1 General
The pressure chamber shall meet the following requirements:

• The internal length and width of the pressure chamber shall be according to 7.1.2.

• The pressure chamber shall be provided with one or more windows in such a way that the test

specimen can be observed during testing.

• It shall be possible to create an airtight seal between the test specimen and the pressure chamber.

---------------------- Page: 9 ----------------------
oSIST prEN 17686:2021
prEN 17686:2021 (E)

• The pressure chamber is recommended to be capable of resisting a suction pressure of at least

10 000 N/m

• The height of the pressure chamber shall be such that the applied pressure is equally distributed and

not affected by deformations of the test specimen.

• The pressure chamber and additional devices shall be calibrated according to 7.2.

The pressure chamber shall include a:
• fan including control and recording system according to 7.1.3;
• pressure and time measurement and registration device according to 7.1.4;
• thermometer according to 7.1.5;
• chronometer according to 7.1.6.
7.1.2 Dimensions of the test area
The minimum effective test area of the te
...

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