Glass in building - Basic soda-lime silicate glass products - Part 8: Supplied and final cut sizes

This European Standard specifies dimensional and minimum quality requirements (in respect of optical and visual faults) for basic soda lime silicate glass products, as defined in EN 572-1:2012, for use in building. It applies to supplied sizes or cut sizes for final end use.
This European Standard does not apply to final cut sizes having a dimension less than 100 mm or a surface area less than 0,05 m².
This European Standard does not apply to float glass supplied as jumbo, split sizes or oversize plates nor to polished wired glass, drawn sheet glass, patterned glass, patterned wired glass supplied as stock sizes. For specifications regarding these types of glass, see EN 572-2:2012, EN 572-3:2012, EN 572-4:2012, EN 572-5:2012 and EN 572-6:2012 respectively.
This European Standard does not apply to final cut sizes of wired or unwired channel shaped glass For specifications on this type of glass, see EN 572-7:2012.

Glas im Bauwesen - Basiserzeugnisse aus Kalk-Natronsilicatglas - Teil 8: Liefermaße und Festmaße

Diese Europäische Norm legt Anforderungen an die Maße und Mindestanforderungen an die Qualität (in Hinsicht auf optische und sichtbare Fehler) für Basiserzeugnisse aus Kalk Natronsilicatglas, wie in EN 572 1:2012 definiert, für die Anwendung im Bauwesen fest. Die Norm gilt für Liefermaße oder Festmaße in der Endanwendung.
Diese Europäische Norm gilt nicht für Glas in Festmaßen mit einem Maß kleiner als 100 mm oder mit einer Oberfläche von weniger als 0,05 m2.
Diese Europäische Norm gilt nicht für Floatglas, das in Bandmaßen, geteilten Bandmaßen oder übergroßen Scheiben geliefert wird, oder poliertes Drahtglas, gezogenes Flachglas, Ornamentglas und Drahtornamentglas, welches in Standardabmessungen geliefert wird. Für Festlegungen bezüglich dieser Glasarten wird auf EN 572-2:2012, EN 572 3:2012, EN 572 4:2012, EN 572 5:2012, EN 572 6:2012 verwiesen.
Diese Europäische Norm gilt nicht für Festmaße von Profilbauglas mit oder ohne Drahteinlage. Für Festlegungen zu dieser Glasart wird auf EN 572 7:2012 verwiesen.

Verre dans la construction - Produits de base : verre de silicate sodo-calcique - Partie 8 : Mesures livrées et mesures découpées finales

La présente Norme européenne spécifie les exigences relatives aux dimensions et à la qualité minimale (au regard des défauts optiques et visuels) pour les produits verriers de silicate sodo-calcique de base utilisés dans le bâtiment, définis dans l’EN 572 1:2012. Elle s’applique aux mesures livrées et aux mesures découpées pour l’utilisation finale.
La présente Norme européenne ne s’applique pas aux mesures découpées finales dont la dimension est inférieure à 100 mm, ni aux superficies inférieures à 0,05 m².
La présente Norme européenne ne s’applique pas aux glaces livrées dans les tailles de plateaux largeur de fabrication (PLF), aux dimension largeur de fabrication (DLF), intermédiaires ou supérieures, l’2012ni au verre armé poli, au verre étiré, au verre imprimé ou verre armé imprimé, livrés en mesures libres. Pour les spécifications relatives à ces type de verre,  voir l’EN 572 2:2012, l’EN 572 3:2012, l’EN 572 4:2012, l’EN 572 5:2012 et l’EN 572 6:2012).
La présente Norme européenne ne s’applique pas aux mesures découpées finales de verre profilé armé ou non armé. Pour les spécifications relatives à ce type de verre, voir l’EN 572 7:2012.

Steklo v gradbeništvu - Osnovni izdelki iz natrij-kalcijevega silikatnega stekla - 8. del: Dobavljene in končne velikosti razreza

Ta evropski standard določa zahteve glede mer in minimalne kakovosti (v zvezi z optičnimi in vizualnimi napakami) za osnovne izdelke iz natrij-kalcijevega silikatnega stekla, kot so določeni v standardu EN 572-1:2012, za uporabo v gradbeništvu. Nanaša se na dobavljene velikosti in velikosti razreza za končno uporabo.
Ta evropski standard ne zajema končnih velikosti razreza z merami manj kot 100 mm ali površino, manjšo od 0,05 m².
Ta evropski standard ne zajema ravnega stekla, dobavljenega v »jumbo« velikostih, razdeljenih ploščah in predimenzioniranih ploščah, ali poliranega žičnega stekla, vlečenega stekla, vzorčastega stekla in vzorčastega žičnega stekla, dobavljenega v velikostih na zalogi. Za specifikacije teh tipov stekla glej standarde EN 572-2:2012, EN 572-3:2012, EN 572-4:2012, EN 572-5:2012 in EN 572-6:2012.
Ta evropski standard ne zajema končnih velikosti razreza žičnega in brezžičnega utorjenega stekla. Za specifikacije tega tipa stekla glej standard EN 572-7:2012.

General Information

Status
Withdrawn
Publication Date
30-May-2016
Withdrawal Date
30-Aug-2016
Current Stage
9060 - Closure of 2 Year Review Enquiry - Review Enquiry
Start Date
04-Mar-2018
Completion Date
04-Mar-2018

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SLOVENSKI STANDARD
SIST EN 572-8:2012+A1:2016
01-junij-2016
1DGRPHãþD
SIST EN 572-8:2012

6WHNORYJUDGEHQLãWYX2VQRYQLL]GHONLL]QDWULMNDOFLMHYHJDVLOLNDWQHJDVWHNOD

GHO'REDYOMHQHLQNRQþQHYHOLNRVWLUD]UH]D

Glass in building - Basic soda-lime silicate glass products - Part 8: Supplied and final cut

sizes

Glas im Bauwesen - Basiserzeugnisse aus Kalk-Natronsilicatglas - Teil 8: Liefermaße

und Festmaße

Verre dans la construction - Produits verriers de silicate sodo-calcique de base - Partie

8 : Mesures livrées et mesures découpées finales
Ta slovenski standard je istoveten z: EN 572-8:2012+A1:2016
ICS:
81.040.20 Steklo v gradbeništvu Glass in building
SIST EN 572-8:2012+A1:2016 en,fr,de

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

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SIST EN 572-8:2012+A1:2016
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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2016
EUROPÄISCHE NORM
ICS 81.040.20 Supersedes EN 572-8:2012
English Version
Glass in building - Basic soda-lime silicate glass products -
Part 8: Supplied and final cut sizes

Verre dans la construction - Produits verriers de Glas im Bauwesen - Basiserzeugnisse aus Kalk-

silicate sodo-calcique de base - Partie 8 : Mesures Natronsilicatglas - Teil 8: Liefermaße und Festmaße

livrées et mesures découpées finales

This European Standard was approved by CEN on 11 May 2012 and includes Amendment 1 approved by CEN on 22 November

2015.

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, 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 572-8:2012+A1:2016 E

worldwide for CEN national Members.
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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)
Contents Page

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

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

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

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

4 Glass products .................................................................................................................................................. 9

5 Dimensional requirements.......................................................................................................................... 9

5.1 Manufacturing dimensions .......................................................................................................................... 9

5.1.1 Supplied sizes ................................................................................................................................................... 9

5.1.2 Final cut sizes .................................................................................................................................................... 9

5.2 Thickness ........................................................................................................................................................ 10

5.2.1 General ............................................................................................................................................................. 10

5.2.2 Tolerances ...................................................................................................................................................... 10

5.3 Length, width, and squareness ................................................................................................................ 11

6 Quality requirements ................................................................................................................................. 13

6.1 General ............................................................................................................................................................. 13

6.2 Methods of observation and measurement ........................................................................................ 14

6.2.1 Optical faults .................................................................................................................................................. 14

6.2.2 Visual faults .................................................................................................................................................... 14

6.2.3 Edge defects for final cut sizes ................................................................................................................. 15

6.3 Acceptance levels ......................................................................................................................................... 16

6.3.1 Optical faults .................................................................................................................................................. 16

6.3.2 Visual faults .................................................................................................................................................... 17

Annex A (normative) Test methods of examination for visual faults — Spot faults and

linear/extended faults ............................................................................................................................... 23

A.1 Float glass (EN 572-2:2012) ..................................................................................................................... 23

A.1.1 Method of observation ............................................................................................................................... 23

A.1.2 Linear/extended faults .............................................................................................................................. 23

A.2 Polished wired glass (EN 572-3:2012) ................................................................................................. 23

A.2.1 Spot faults ....................................................................................................................................................... 23

A.2.2 Linear/extended faults .............................................................................................................................. 24

A.3 Drawn sheet glass (EN 572-4:2012) ...................................................................................................... 24

A.3.1 Spot faults ....................................................................................................................................................... 24

A.3.2 Linear/extended faults .............................................................................................................................. 24

A.4 Patterned glass (EN 572-5:2012) and wired patterned glass (EN 572-6:2012) — Spot

and linear/extended faults ....................................................................................................................... 24

Annex B (normative) Method for measuring spot fault size (including halo) ...................................... 25

B.1 Conditions of observation ......................................................................................................................... 25

B.2 Measurement of the size of the spot fault including the halo....................................................... 26

Bibliography ................................................................................................................................................................. 27

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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)
European foreword

This document (EN 572-8:2012+A1:2016) has been prepared by Technical Committee CEN/TC 129

“Glass in building”, the secretariat of which is held by NBN.

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 August 2016, and conflicting national standards shall

be withdrawn at the latest by August 2016.

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

patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent

rights.
This document includes Amendment 1 approved by CEN on 22 November 2015.
This document supersedes !EN 572-8:2012".

The start and finish of text introduced or altered by amendment is indicated in the text by tags !".

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association.

!EN 572-8:2012 was" a revision of EN 572-8:2004. The main changes in this edition !were":

a) a new method of determination of squareness;

b) a new method of measurement for spot fault (including halo) and an adaptation of the related

requirements.

The European Standard EN 572:2012 “Glass in building — Basic soda-lime silicate glass products”

consists of the following parts:
— Part 1: Definitions and general physical and mechanical properties;
— Part 2: Float glass;
— Part 3: Polished wired glass;
— Part 4: Drawn sheet glass;
— Part 5: Patterned glass;
— Part 6: Wired patterned glass;
— Part 7: Wired or unwired channel shaped glass;
— Part 8: Supplied and final cut sizes;
— Part 9: Evaluation of conformity/Product standard.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)
1 Scope

This European Standard specifies dimensional and minimum quality requirements (in respect of optical

and visual faults) for basic soda-lime silicate glass products, as defined in EN 572-1:2012, for use in

building. It applies to supplied sizes or cut sizes for final end use.

This European Standard does not apply to final cut sizes having a dimension less than 100 mm or a

surface area less than 0,05 m².

This European Standard does not apply to float glass supplied as jumbo, split sizes or oversize plates

nor to polished wired glass, drawn sheet glass, patterned glass, patterned wired glass supplied as stock

sizes. For specifications regarding these types of glass, see EN 572-2:2012, EN 572-3:2012,

EN 572-4:2012, EN 572-5:2012 and EN 572-6:2012 respectively.

This European Standard does not apply to final cut sizes of wired or unwired channel shaped glass For

specifications on this type of glass, see EN 572-7:2012.
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 572-1:2012, Glass in building — Basic soda-lime silicate glass products — Part 1: Definitions and

general physical and mechanical properties

EN 572-2:2012, Glass in building — Basic soda lime silicate glass products — Part 2: Float glass

EN 572-3:2012, Glass in building — Basic soda lime silicate glass products — Part 3: Polished wired glass

EN 572-4:2012, Glass in building — Basic soda lime silicate glass products — Part 4: Drawn sheet glass

EN 572-5:2012, Glass in building — Basic soda lime silicate glass products — Part 5: Patterned glass

EN 572-6:2012, Glass in building — Basic soda lime silicate glass products — Part 6: Wired patterned

glass
3 Terms and definitions

For the purposes of document, the terms and definitions given in EN 572-1:2012, EN 572-2:2012,

EN 572-3:2012, EN 572-4:2012, EN 572-5:2012 and EN 572-6:2012 and the following apply.

3.1
supplied size

pane of glass that has been supplied either as raw material for further processing and/or cutting down

to a size for installation

Note 1 to entry: This is a size outside those given in EN 572-2:2012, EN 572-3:2012, EN 572-4:2012,

EN 572-5:2012 and EN 572-6:2012, i.e. jumbo, split sizes or oversize plates for float glass and supplied sizes for

polished wired, drawn sheet, patterned and wired patterned glass.
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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)
3.2
final cut size

pane of glass that has been cut down to the dimensions required either for installation or processing

into a final product

Note 1 to entry: Examples of processed final products are insulating glass units and thermally toughened safety

glass of those dimensions.
3.3
length, H, and width, B

defined with reference to the direction of draw of the glass ribbon as shown in Figures 1 and 2

Key
1 direction of draw
Figure 1 — Relationship between length, width and direction of draw
for float, polished wired, patterned and wired patterned glass
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EN 572-8:2012+A1:2016 (E)
Key
1 direction of draw

Figure 2 — Relationship between length, width and direction of draw for drawn sheet glass

3.4
optical fault

fault which leads to distortions in the appearance of objects observed through the glass

3.5
visual fault
fault which alters the visual quality of the glass

Note 1 to entry: Visual faults include spot faults and linear/extend faults with patterned faults and/or wire

faults, depending on type of product.
3.6
spot fault

spherical or quasi-spherical faults which are produced by differing mechanisms and are defined for a

specific glass product type/manufacturing process
3.6.1
spot fault (float glass)
nucleus which is generally accompanied by a halo of distorted glass
[SOURCE: EN 572-2:2012, 3.6]
3.6.2
halo (float glass)
area locally distorted, generally around a point defect
[SOURCE: EN 572-2:2012, 3.7]
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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)
3.6.3

spherical or quasi-spherical spot fault (polished wired, patterned and wired patterned glass)

spot fault whose larger dimension is less than or equal to twice the smaller dimension

[SOURCE: EN 572-3:2012, 3.5; EN 572-5:2012, 3.4; EN 572-6:2012, 3.4]
3.6.4
elongated spot fault (polished wired, patterned and wired patterned glass)
spot fault whose larger dimension is more than twice the smaller dimension
[SOURCE: EN 572-3:2012, 3.6; EN 572-5:2012, 3.5; EN 572-6:2012, 3.5]
3.6.5
spot fault (drawn sheet glass)

fault which can be on or in the glass, in the form of gaseous inclusion, solid inclusion, mark or deposit of

small size
[SOURCE: EN 572-4:2012, 3.8]
3.7
concentration, c (drawn sheet glass)

sum of the lengths of gaseous inclusions > 1,0 mm in any circle of 400 mm diameter

[SOURCE: EN 572-4:2012, 3.11]
3.8
linear/extended fault

fault which can be on or in the glass, in the form of deposits, marks or scratches that occupy an

extended length or area
3.9
pattern fault (patterned and wired patterned glass)
deviation of the pattern relative to a reference such as a line or straight edge
[SOURCE: EN 572-5:2012, 3.7; EN 572-6:2012, 3.7]
3.10
deviation of the pattern (patterned and wired patterned glass)
deviation, x, of the pattern
[SOURCE: EN 572-5:2012, 3.8; EN 572-6:2012, 3.8]
3.11
wire fault (polished wired and wired patterned glass)

deviation of the wire, penetration of the glass surface by the wire or break in the wire in the body of the

glass
[SOURCE: EN 572-3:2012, 3.8; EN 572-6:2012, 3.9]
3.12
deviation of the wire (polished wired and wired patterned glass)

deviation, y, of the wire relative to a reference such as a line or straight edge

[SOURCE: EN 572-3:2012, 3.9; EN 572-6:2012, 3.10]
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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)
3.13
edge defect

defect which can occur on the edge of a cut size piece in the form of entrant and emergent fault and/or

bevel
4 Glass products

Glass products according to the following standards can be offered as supplied sizes or final cut sizes:

— float glass EN 572-2:2012;
— polished wired glass EN 572-3:2012;
— drawn sheet glass EN 572-4:2012;
— patterned glass EN 572-5:2012;
— wired patterned glass EN 572-6:2012.
5 Dimensional requirements
5.1 Manufacturing dimensions
5.1.1 Supplied sizes
Supplied sizes cover glass delivered in the sizes given in Table 1.
Table 1 — Dimensions of supplied sizes
Dimensions in millimetres
Nominal dimensions
Glass type
B H
Float glass < 3 210 Any
< 1 980 Any
Polished wired glass
1 980 to 2 540 < 1 650
New antique drawn sheet glass; < 1 450 Any
Drawn sheet glass for renovation 1 450 to 2 160 < 1 200
< 2 440 Any
Drawn sheet glass
2 440 to 2 880 < 1 600
< 1 260 Any
Patterned glass
1 260 to 2 520 < 2 100
< 1 500 Any
Wired patterned glass
1 500 to 2 520 < 1 380

Under exceptional production requirements, B may be less than 3 210 mm but never below 3 150 mm. In such cases,

supplied sizes are those with B < 3 150 mm.
5.1.2 Final cut sizes
Final cut sizes cover glass delivered in the final dimensions.
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SIST EN 572-8:2012+A1:2016
EN 572-8:2012+A1:2016 (E)

The minimum final cut size shall have dimensions H or B not less than 100 mm and a minimum surface

area of not less than 0,05 m².
5.2 Thickness
5.2.1 General

The actual thickness shall be the average of four measurements, taken to the nearest 0,01 mm, one

taken at the centre of each side. Measurement shall be made by means of either:

a) an instrument of the calliper micrometer type, applicable for float glass, polished wired glass and

drawn sheet glass; or

b) an instrument of the plate gauge type with a diameter of (50 ± 5) mm, applicable for patterned

glass and wired patterned glass.
5.2.2 Tolerances

The actual thickness, rounded to the nearest 0,1 mm shall not vary from the nominal thickness by more

than the tolerances shown in Tables 2 and 3.
Table 2 — Nominal thicknesses, limits and tolerances
for float glass, polished wired glass, patterned glass and wired patterned glass
Dimensions in millimetres
Thickness limits and tolerances on thickness
Nominal
Float Polished wired Patterned Wired patterned
thickness
glass glass glass glass
2 ± 0,2
3 ± 0,2 ± 0,5
4 ± 0,2 ± 0,5
5 ± 0,2 ± 0,5
6 ± 0,2 ± 0,5 ± 0,6
7 6,2 to 7,4 ± 0,7
8 ± 0,3 ± 0,8 ± 0,8
9 8,0 to 10,5
10 ± 0,3 9,1 to 10,9 ± 1,0
12 ± 0,3 ± 1,5
14 ± 1,5
15 ± 0,5 ± 1,5
19 ± 1,0 ± 2,0
25 ± 1,0
Key
Not manufactured
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EN 572-8:2012+A1:2016 (E)
Table 3 — Nominal thicknesses, and thickness tolerances

for new antique drawn sheet glass, drawn sheet glass for renovation and drawn sheet glass

Dimensions in millimetres
Tolerance on thickness
Nominal
New antique drawn Drawn sheet glass
thickness
Drawn sheet glass
sheet glass for renovation
2 ± 0,2 ± 0,2
2,8 ± 0,3
3 ± 0,3 ± 0,2
4 ± 0,3 ± 0,3 ± 0,2
5 - ± 0,3 ± 0,3
6 ± 0,3 ± 0,3 ± 0,3
8 ± 0,4 ± 0,4
10 ± 0,5
12 ± 0,6
Key
Not manufactured
5.3 Length, width, and squareness

The tolerances, t, on the nominal dimensions length, H, and width, B, is given in Table 4 for float glass

and drawn sheet glass and in Table 5 for polished wired glass and wired patterned glass and in Table 6

for patterned glass.
Table 4 — Tolerance, t, on the nominal dimensions length and width —
Float glass and drawn sheet glass
Dimensions in millimetr
...

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