oSIST prEN 13658-1:2017
(Main)Metal lath and beads - Definitions, requirements and test methods - Part 1: Internal plastering
Metal lath and beads - Definitions, requirements and test methods - Part 1: Internal plastering
This European Standard specifies the requirements and test methods of metal lath and beads for internal plaster-ing.
This European Standard covers metal lath intended to be used for fixing to structures or solid backgrounds to pro-vide a key to hold the plaster in position. Metal lath is used vertically to support linings for walls, partitions and col-umns and horizontally to support linings for ceilings and beams. Used in this way it enables fire protecting plaster-ing systems to be provided.
This European Standard covers metal beads intended to be used to improve the protection of corners and also provide features to the internal finish of the construction as well as metal beads intended to be used as depth gauge beads and movement or expansion beads. They also contribute to fire protection.
Putzträger und Putzprofile aus Metall - Begriffe, Anforderungen und Prüfverfahren - Teil 1: Innenputze
Diese Europäische Norm legt die Anforderungen an Putzträger und Putzprofile aus Metall für Innenputze und die entsprechenden Prüfverfahren fest.
Diese Europäische Norm Dokument gilt für Putzträger aus Metall, die an Unterkonstruktionen oder festen Untergründen befestigt werden, um einen Putzgrund zu schaffen, der die Haftung des Putzes sicherstellt. Putzträger aus Metall werden vertikal als Putzuntergrund für Wände, Trennwände und Stützen und horizontal als Putzuntergrund für Decken und Balken verwendet. Auf diese Art verwendet, ermöglichen sie die Herstellung von Brandschutz-Putzsystemen.
Diese Europäische Norm gilt auch für Putzprofile aus Metall, die zur Verbesserung des Eckenschutzes und als dekorative Putzanschlüsse und Putzabschlüsse verwendet werden, sowie für Putzprofile, die als Schnellputzleisten und Bewegungs- oder Dehnungsfugenprofile verwendet werden. Putzprofile aus Metall tragen auch zum Brandschutz bei.
Lattis et cornières métalliques - Définitions, exigences et méthodes d'essai - Partie 1 : Enduits intérieurs
La présente Norme européenne définit les exigences et les méthodes d’essai applicables aux lattis et aux cornières métalliques destinés à l’application d’enduits intérieurs.
La présente Norme européenne s’applique aux lattis métalliques destinés à permettre la fixation à des structures ou à des supports solides, afin de fournir un support d’accrochage de l’enduit. Le lattis s’emploie verticalement comme support d’enduit des revêtements de murs, de cloisons et de colonnes, et horizontalement comme support d’enduit des revêtements de plafonds et de poutres. Le lattis permet, dans ce type d’utilisation, la mise en place de systèmes d’enduits de protection contre l’incendie.
La présente Norme européenne concerne les cornières métalliques destinées à être utilisées pour améliorer la protection des angles et obtenir les caractéristiques des finitions intérieures de la construction ainsi que les cornières métalliques destinées à être utilisées en tant qu’indicateurs d’épaisseur, cornières de mouvement ou d’expansion. Les cornières contribuent également à la protection contre l’incendie.
Kovinski profili - Definicije, zahteve in preskusne metode - 1. del: Notranji omet
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 13658-1:2017
01-oktober-2017
Kovinski profili - Definicije, zahteve in preskusne metode - 1. del: Notranji omet
Metal lath and beads - Definitions, requirements and test methods - Part 1: Internal
plastering
Putzträger und Putzprofile aus Metall - Begriffe, Anforderungen und Prüfverfahren - Teil
1: Innenputze
Lattis et cornières métalliques - Définitions, exigences et méthodes d'essai - Partie 1 :
Enduits intérieurs
Ta slovenski standard je istoveten z: prEN 13658-1
ICS:
77.140.65 Jeklene žice, jeklene vrvi in Steel wire, wire ropes and
verige link chains
91.100.10 Cement. Mavec. Apno. Malta Cement. Gypsum. Lime.
Mortar
oSIST prEN 13658-1:2017 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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DRAFT
EUROPEAN STANDARD
prEN 13658-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2017
ICS 77.140.65; 91.100.10 Will supersede EN 13658-1:2005
English Version
Metal lath and beads - Definitions, requirements and test
methods - Part 1: Internal plastering
Lattis et cornières métalliques - Définitions, exigences Putzträger und Putzprofile aus Metall - Begriffe,
et méthodes d'essai - Partie 1 : Enduits intérieurs Anforderungen und Prüfverfahren - Teil 1: Innenputze
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 241.
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, 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: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13658-1:2017 E
worldwide for CEN national Members.
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Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Requirements . 8
4.1 Fire behaviour . 8
4.1.1 Reaction to fire . 8
4.1.2 Fire resistance . 9
4.2 Requirements for lath . 9
4.2.1 Material . 9
4.2.2 Description . 9
4.2.3 Dimensions . 9
4.3 Requirements for beads . 10
4.3.1 Material . 10
4.3.2 Description . 10
4.3.3 Dimensions . 11
4.4 Dangerous substances . 12
5 Testing and sampling . 12
5.1 Dimensional measurements of lath. 12
5.1.1 General . 12
5.1.2 Thickness or diameter . 12
5.1.3 Length and width . 12
5.1.4 Coating thickness of lath and beads . 13
5.2 Dimensional measurements of beads . 14
5.2.1 General . 14
5.2.2 Thickness or diameter . 14
5.2.3 Length . 14
5.2.4 Straightness . 14
5.2.5 Profile dimensions . 14
5.2.6 Coating thickness . 15
6 Assessment and verification of constancy of performance — AVCP . 15
6.1 General . 15
6.2 Type testing . 15
6.2.1 General . 15
6.2.2 Test samples, testing and compliance criteria . 16
6.2.3 Test reports . 16
6.2.4 Shared other party results . 16
6.2.5 Cascading determination of the product type results . 17
6.3 Factory production control (FPC) . 18
6.3.1 General . 18
6.3.2 Requirements . 19
6.3.3 Product specific requirements . 21
6.3.4 Initial inspection of factory and of FPC . 21
6.3.5 Continuous surveillance of FPC (only for products covered by AVCP system 1+, 1 and
2+) . 22
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6.3.6 Procedure for modifications . 22
6.3.7 One-off products, pre-production products (e.g. prototypes) and products produced
in very low quantity . 22
7 Designation . 23
7.1 Lath . 23
7.2 Beads . 24
8 Marking, labelling and packaging . 24
Annex ZA (informative) Relationship of this European Standard with Regulation
(EU) No. 305/2011 . 37
ZA.1 Scope and relevant characteristics . 37
ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 37
ZA.3 Assignment of AVCP tasks . 37
Bibliography . 40
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European foreword
This document (prEN 13658-1:2017) has been prepared by Technical Committee CEN/TC 241 “Gypsum
and gypsum based products”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 13658-1:2005.
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 Regulation (EU)
No. 305/2011.
For relationship with Regulation (EU) No. 305/2011, see informative Annex ZA, which is an integral
part of this document.
The main technical changes that have been made in this new edition of EN 13658-1 are the following:
a) Normative references updated;
b) Terms and definitions updated;
c) Tables 1 and 2 updated;
d) Figures updated;
e) Clause 6 and Annex ZA updated in line with the CPR.
This European Standard on Metal lath and beads — Definitions, requirements and test methods consists
of two parts:
— Part 1: Internal plastering;
— Part 2: External rendering.
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1 Scope
This European Standard specifies the requirements and test methods of metal lath and beads for
internal plastering.
This European Standard covers metal lath intended to be used for fixing to structures or solid
backgrounds to provide a key to hold the plaster in position. Metal lath is used vertically to support
linings for walls, partitions and columns and horizontally to support linings for ceilings and beams.
Used in this way it enables fire protecting plastering systems to be provided.
This European Standard covers metal beads intended to be used to improve the protection of corners
and also provide features to the internal finish of the construction as well as metal beads intended to be
used as depth gauge beads and movement or expansion beads. They also contribute to fire protection.
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 485-2:2016, Aluminium and aluminium alloys — Sheet, strip and plate — Part 2: Mechanical
properties
EN 485-4:1993, Aluminium and aluminium alloys — Sheet, strip and plate — Part 4: Tolerances on shape
and dimensions for cold-rolled products
EN 573-3:2013, Aluminium and aluminium alloys — Chemical composition and form of wrought
products — Part 3: Chemical composition and form of products
EN 988:1996, Zinc and zinc alloys — Specifications for rolled flat products for building
EN 1364-1:2015, Fire resistance tests for non-loadbearing elements — Part 1: Walls
EN 1364-2:1999, Fire resistance tests for non-loadbearing elements — Part 2: Ceilings
EN 1365-1:2012, Fire resistance tests for loadbearing elements — Part 1: Walls
EN 1365-3:1999, Fire resistance tests for loadbearing elements — Part 3: Beams
EN 1365-4:1999, Fire resistance tests for loadbearing elements — Part 4: Columns
EN 10088 (all parts), Stainless steels
EN 10143:2006, Continuously hot-dip coated steel sheet and strip — Tolerances on dimensions and shape
EN 10169-1:2003, Continuously organic coated (coil coated) steel flat products — Part 1: General
information (definitions, materials, tolerances, test methods)
EN 10218-2:2012, Steel wire and wire products — General —Part 2: Wire dimensions and tolerances
EN 10244-1:2009, Steel wire and wire products — Non-ferrous metallic coatings on steel wire — Part 1:
General principles
EN 10258:1997, Cold-rolled stainless steel and narrow strip and cut lengths — Tolerances on dimensions
and shape
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EN 10264-4:2012, Steel wire and wire products — Steel wire for ropes — Part 4: Stainless steel wire
EN 10346:2015, Continuously hot-dip coated steel flat products for cold forming — Technical delivery
conditions
EN 13501-1:2007+A1:2009, Fire classification of construction products and building elements — Part 1:
Classification using data from reaction to fire tests
EN 13501-2:2016, Fire classification of construction products and building elements — Part 2:
Classification using data from fire resistance tests, excluding ventilation services
EN 13914-2:2016, Design, preparation and application of external rendering and internal plastering —
Part 2: Internal plastering
EN ISO 1460:1994, Metallic coatings — Hot dip galvanized coatings on ferrous materials — Gravimetric
determination of the mass per unit area (ISO 1460:1992)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 Metal lath:
3.1.1
expanded flat metal lath
corrosion resistant diamond shaped mesh to provide a key for plastering
Note 1 to entry: See Figure 3 a).
3.1.2
expanded corrugated metal lath
corrosion resistant diamond mesh to provide extra stiffness
Note 1 to entry: See Figure 3 b).
3.1.3
expanded ribbed lath
corrosion resistant mesh formed by expanding with integral solid ribs of at least 7 mm height to
provide extra stiffness
Note 1 to entry: See Figure 4.
3.1.4
expanded mini ribbed lath
corrosion resistant mesh formed by expanding with integral solid ribs between 4 mm and 7 mm height
Note 1 to entry: See Figure 4.
3.1.5
stainless steel ribbed lath
stainless steel mesh with integral solid ribs of at least 7 mm height
3.1.6
paperbacked ribbed lath
corrosion protected paperbacked mesh with integral ribs of at least 7 mm height
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3.1.7
standard paperbacked wire lath
corrosion resistant wire spot welded mesh to form a square mesh to provide a key for plastering with a
sheet of cardboard positioned between the horizontal and the vertical wires or between the mesh and
the reinforcing wires
Note 1 to entry: See Figures 5 a), 5 b) and 6.
3.1.8
reinforced paperbacked wire lath
same as 3.1.7, but the reinforcing wires are thicker in order to increase stiffness
3.1.9
high ribbed paperbacked wire lath
same as 3.1.8, but with thicker wires to provide still greater stiffness
3.1.10
damp proof regular paperbacked wire lath
same as 3.1.8, but with a bituminous paper bonded to the back of the cardboard sheet to provide extra
damp control
3.1.11
standard wire mesh
corrosion resistant spot welded wire mesh, flat or profiled, to form a square mesh to provide a key for
plastering
Note 1 to entry: See Figure 7.
3.1.12
normal claylath
woven mesh of steel wire with clay pressed on the intersection of the wire and then fired
Note 1 to entry: See Figure 8.
3.1.13
stainless steel claylath
woven mesh of stainless steel wire with clay pressed on the intersection of the wire and then fired
Note 1 to entry: See Figure 8.
3.2 Metal beads and their uses:
3.2.1
angle bead
corrosion resistant profiled section used to protect the plastered external angles
Note 1 to entry: This section can also be fabricated from wire.
3.2.2
stop bead
corrosion resistant profiled section used to provide a straight and protected edge to receive the internal
plaster
Note 1 to entry: This section can also be fabricated from wire.
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3.2.3
featured bead
corrosion resistant profiled section used to enhance the internal plaster finish at the edge
Note 1 to entry: This section can also be fabricated from wire.
3.2.4
movement bead
corrosion resistant profiled section connected with a flexible plastic extrusion capable of a movement
within the range of ± 1,5 mm of the internal plaster surface
Note 1 to entry: This section can also be fabricated from wire.
3.2.5
depth gauge bead
profiled section which can be set on plane surfaces to control the depth of plaster applied
Note 1 to entry: See Table 2.
3.3 Metal beads, functional features:
3.3.1
profiled face/edge
surface or edge of bead used to provide the feature or function
3.3.2
wing
area of metal strip joining the bead face or edge, usually expanded or perforated or welded wire used
for fixing and also key for plaster
3.3.3
open area
percentage of wing area perforated or expanded or percentage of opening between welded wires
Note 1 to entry: See Table 2 for the geometry of some profiles.
4 Requirements
4.1 Fire behaviour
4.1.1 Reaction to fire
When the intended use of metal lath and beads is for situations in building construction works where
there is a risk of exposure to fire, metal lath and beads shall be classified A1 without the need of
1)
testing0F unless they have organic coatings or flexible middle parts.
Metal lath and beads for internal plastering having an exposed surface containing organic material may
2)
be classified E without the need of testing .
1) According to Commission Decision 96/603/EC as amended.
2) According to Commission Delegated Regulation (EU) No 1293/2014.
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For the purpose of classification in classes other than classes E and F, they shall be tested and classified
in accordance with EN 13501-1.
4.1.2 Fire resistance
Metal lath and beads can be used in walls, partitions and ceilings and encasement systems providing
fire ratings.
When required, the fire rating of the system shall be tested to EN 1364-1, EN 1364-2, EN 1365-1,
EN 1365-3 and EN 1365-4 as appropriate and classified to EN 13501-2.
4.2 Requirements for lath
4.2.1 Material
Lath shall be manufactured from the materials and finishes shown in Table 3. The corrosion resistant
selected material and finish shall provide a satisfactory level of protection against corrosion under
conditions of intended use, i.e. regional requirements.
4.2.2 Description
a) Expanded lath, ribbed lath and wire lath or mesh shall be formed to provide the functional
requirements of stiffness to span between supports or fixings and have aperture sizes to provide an
efficient keying matrix for the plaster. Typical products meeting these requirements are given in
Tables 3 and 4 and in Figures 3, 4, 5 and 6;
b) normal and stainless steel clay lath are produced in open, half open and closed versions
(see Figure 8). At least 60 % of the surface area shall be covered with clay.
4.2.3 Dimensions
4.2.3.1 Nominal thickness and diameter
a) For expanded lath, ribbed lath and wire lath, the thickness/diameter shall be as given in Tables 3
and 4. The tolerances shall be those specified in EN 10143, EN 10218-2 and EN 10264-4;
b) for normal and stainless steel clay lath, the nominal sizes of the wire for production (before firing)
shall be 0,7 mm and 0,9 mm. Tolerances shall be those specified in EN 10258 for stainless steel
wire.
4.2.3.2 Length and width
a) For expanded lath, ribbed lath and wire lath, the nominal length and width of lath shall be declared
by the manufacturer. Tolerances shall be ± 1 % for length and ± 15 mm for width;
b) for normal and stainless steel clay lath, the nominal length and width of lath shall be declared by
the manufacturer (see Figure 8); tolerance shall be ± 2 %.
4.2.3.3 Mesh type and size dimensions
a) For expanded flat lath, when measured as illustrated in Figure 3, the aperture shall be at least
13 mm in the LWM (long way mesh) direction and at least 5 mm in the SWM (short way mesh)
direction;
NOTE The dimensions are for “clear aperture” not centre to centre of strands.
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b) expanded corrugated lath is produced from flat lath. The minimum height of the corrugated ribs
shall be 5 mm;
c) expanded ribbed and expanded mini ribbed lath are formed with a rib on each longitudinal edge
and with ribs spaced at maximum intervals of 110 mm. For expanded ribbed lath, the minimum
height of the ribs shall be 7 mm and for expanded mini ribbed lath between 4 mm and 7 mm. The
aperture sizes in the LWM and the SWM directions as specified by the manufacturer shall
correspond to Figure 4.
4.2.3.4 Standard paperbacked wire lath
The wires shall have a minimum nominal equivalent diameter of 1,4 mm (see Figure 5 and Table 5).
4.2.3.5 Reinforced paperbacked wire lath
Same as 4.2.3.4, but the reinforcing wires shall have a minimum nominal equivalent wire diameter of
2,8 mm spaced at distances not greater than 150 mm. The moment of inertia in the direction where
4
increased stiffness is required shall be at least 10 mm .
4.2.3.6 High ribbed paperbacked wire lath
Same as 4.2.3.4 but the reinforcing wires shall have a minimum nominal equivalent wire diameter of
3,9 mm spaced at distances not greater than 150 mm. The moment of inertia in the direction where
4
increased stiffness is required shall be at least 30 mm .
4.2.3.7 Normal and stainless steel claylath
For requirements, see Table 6 and Figure 8. The figure shows the open type. In half open and closed
claylath the apertures between the crosses may be closed with fired clay requirements for beads.
4.2.3.8 Welded wire mesh
For requirements see Figure 7.
4.3 Requirements for beads
4.3.1 Material
Beads shall be manufactured from hot-dip coated steel sheet or strip conforming to EN 10346,
austenitic stainless steel sheet or strip to EN 10088-1 and EN 10088-2, aluminium sheet or strip to
EN 573-3, organic coated galvanized steel sheet or strip to EN 10169-1 or subsequently organic coated,
galvanized steel sheet or strip to EN 10346. Alternatively, beads can be manufactured from galvanized
wire to EN 10244-1 and EN 10244-2 (class A), austenitic stainless wire to EN 10088-1, EN 10088-3 and
EN 10088-5 or zinc alloys to EN 988.
The material or coatings shall be that defined in this standard (see Table 3) or to an equivalent level to
prevent corrosion at normal conditions of use (i.e. regional requirements, marine environment, reaction
between gypsum and some stainless steels).
4.3.2 Description
Beads shall be formed to provide functional or featured profiles. They shall be free from kinks or
deformations which would detract from their function. The beads may incorporate a various profiles
with one or more wings depending upon their function. The wings shall be expanded or perforated or
welded wire to facilitate fixing using mechanical or plaster fixing methods.
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4.3.3 Dimensions
4.3.3.1 Thickness or diameter
a) Metal strip: Beads formed from metal strip shall have a minimum thickness of 0,4 mm for hot-dip
coated steel, or subsequently organic coated, hot-dip coated steel (sheet thickness to be measured
before coating). The minimum thickness for aluminium strip shall be 0,4 mm and for stainless steel
strip 0,3 mm.
b) Fabricated wire beads: Beads fabricated from galvanized or stainless steel wire shall have a
minimum nominal equivalent diameter of 1,4 mm.
c) Precoated hot-dip coated steel strip, organic coated: the thickness of the coating shall be specified
by the manufacturer.
d) Subsequently organic coated, galvanized steel strip: the thickness of the additional organic coating
shall not be less than 20 µm and shall be specified by the manufacturer.
4.3.3.2 Length
The nominal length of the bead shall be declared by the manufacturer. The tolerances shall be for:
— perforated or expanded metal strip: ± 10 mm;
— galvanized or stainless steel wire: ± 20 mm.
4.3.3.3 Straightness
The beads shall be straight to an accuracy which allows for the following maximum deviations from the
flat surface when measured as described in 5.2.4 and shown in Figure 1:
L
— for angle beads (1)
400
L
— for stop and featured beads (2)
600
where
L is the length.
4.3.3.4 Profile dimensions
The profile dimensions and angles shall be as shown in Table 2 and measured as described in 5.2.5.
4.3.3.5 Wing width
The minimum width of wings is given in Table 2.
4.3.3.6 Wing open area
The open area of each wing shall be > 10 % for depth gauge beads, > 20 % for perforated strip, > 40 %
for expanded strip, > 80 % for welded mesh.
4.3.3.7 Movement bead
The manufacturer shall declare that the bead provides movement of ± 1,5 mm without damage.
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4.3.3.8 Expansion bead
The manufacturer shall declare that the bead provides differential movement more than ± 1,5 mm
without damage.
4.4 Dangerous substances
Where required the release of dangerous substances shall be declared.
5 Testing and sampling
5.1 Dimensional measurements of lath
5.1.1 General
The test methods necessary to demonstrate the compliance of the product with the technical
requirements
...
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