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BS 7412:2007

BS 7412:2007

$142.49

Specification for windows and doorsets made from unplasticized polyvinyl chloride (PVC-U) extruded hollow profiles

Published By Publication Date Number of Pages
BSI 2007 32
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This British Standard specifies requirements for the design, fabrication and performance of windows and glazed doorsets made from PVC-U extruded hollow profiles.

This British Standard applies to windows and doorsets manufactured from PVC-U hollow profiles incorporating fusion welded corner joints.

It applies to windows and doors fabricated into frames in a factory, to be installed vertically (within 15°) into the external face of buildings, as single or multi-light units, in coupled assemblies when appropriate, of the following types:

  1. windows:

    1. hinged: side-hung (open in or out), top-hung (open out), bottom-hung (open in), tilt and turn or turn before tilt;

    2. projecting: side-hung (open in or open out) and top-hung (open out or reversible);

    3. pivoted: horizontal and vertical (hung centrally or off-centre) including reversible;

    4. sliding: horizontal and vertical;

    5. side-hung: fully reversible;

    6. fixed light;

  2. doors:

    1. single leaf single-swing doors with or without side lights and top panels;

    2. double leaf single-swing doors with or without side lights and top panels.

It is applicable to assemblies in which any frame member is not longer than 3 m. It does not apply to curtain walls that span across horizontal structural members of floors but is applicable to windows within a curtain walling system.

It is applicable to assemblies up to the point of installation.

NOTE Guidance on the evaluation of conformity is given in Annex A. Guidance on durability and recycling is given in Annex B.

PDF Catalog

PDF Pages PDF Title
3 Contents
1 Scope 1
2 Normative references 1
3 Terms and definitions 4
4 Handing 5
5 Components 5
6 Appearance and finish 7
7 Fabrication 7
8 Glazing 9
9 Use, cleaning and maintenance 9
10 Security 9
11 Safety in case of fire 10
12 Safety in use 10
13 Weathertightness 10
14 Operation and strength characteristics 10
15 Hygiene, health and the environment 10
16 Acoustic performance 11
17 Energy conservation 11
18 Marking 11
Annexes
Annex A (informative) Guidance on the evaluation of conformity 12
Annex B (informative) Durability and recycling 13
Annex C (normative) Specification for handing 16
Annex D (normative) Weld test 17
Annex E (normative) Mechanical joint tests (mullion and transom joints) 19
Bibliography 24
List of figures
Figure C.1 – Drawing conventions for window and door types 16
Figure D.1 – Apparatus for weld test 18
Figure E.1 – Window type and inspection apertures 19
Figure E.2 – Test pieces for the watertightness test 20
Figure E.3 – Thermal stress test 21
Figure E.4 – Arrangement for torsion test 22
Figure E.5 – Torsion test loading cycle 22
5 Foreword
7 1 Scope
a) windows:
2) projecting: side-hung (open in or open out) and top-hung (open out or reversible);
3) pivoted: horizontal and vertical (hung centrally or off-centre) including reversible;
4) sliding: horizontal and vertical;
5) side-hung: fully reversible;
6) fixed light;
b) doors:
2) double leaf single-swing doors with or without side lights and top panels.
2 Normative references
10 3 Terms and definitions
3.1 casement
3.2 coupled assembly
3.3 cycle
3.4 door frame
3.5 door leaf
3.6 doorset
3.7 finger operated
3.8 fixing
3.9 glazing gasket
3.10 hand operated
3.11 hardware
3.12 multi-light
11 3.13 range
3.14 sash
3.15 switch barrier
3.16 ventilation device
3.17 weatherseal
4 Handing
5 Components
5.1 PVC-U extruded hollow profiles
5.2 Glass
12 5.3 Reinforcement
a) mild steel sheet, hot-dip zinc coated, conforming to BS EN 10327:2004, coating designation Z275. This type of reinforcement s…
b) mild steel sections which are subsequently given a corrosion- resistant coating in order to conform to the requirements in a)…
c) austenitic stainless steel sheet or strip conforming to BS EN 10088-2;
d) extruded aluminium alloy conforming to BS EN 485-2, BS EN 515, or BS EN 755-9.
5.4 Glazing gaskets and weatherstrips
13 5.5 Hardware except for fixings
5.6 Fixings
5.7 Infill panels
6 Appearance and finish
7 Fabrication
7.1 Welds
14 7.2 Mechanical joints (mullion and transom joints)
7.3 Ventilation devices
7.4 Hardware
7.5 Drainage
15 7.6 Manufacturing tolerances
7.7 Gaskets and weatherseal
8 Glazing
9 Use, cleaning and maintenance
10 Security
10.1 Basic security
a) completed window:
b) completed door:
10.2 Enhanced security
16 11 Safety in case of fire
11.1 Fire resistance
11.2 Reaction to fire
12 Safety in use
12.1 Impact resistance
12.2 Safety devices
12.3 Panic exit devices
13 Weathertightness
14 Operation and strength characteristics
15 Hygiene, health and the environment
17 16 Acoustic performance
17 Energy conservation
18 Marking
a) the number and date of this British Standard, i.e. BS 7412:2007;
b) claimed performance classifications;
c) the name or trade mark of the manufacturer or other means of identifying the manufacturer; and
d) means of traceability.
18 Annex A (informative) Guidance on the evaluation of conformity
A.1 Selection of samples for type approval
a) the size of the window:
2) largest area side-hung (SH) with the tallest height;
3) maximum area fixed light (F) for the weathertightness classification being considered;
4) maximum area casement multi-light with the longest continuous mullion/transom for the weathertightness classification being considered for welded or mechanical joints;
5) maximum area tilt and turn (TT) or turn before tilt (TBT);
6) maximum area tilt and turn (TT) or turn before tilt (TBT) multi-light with longest continuous mullion or transom for the weathertightness classification being considered;
7) largest area horizontal pivot (HP) with longest width;
8) largest area vertical pivot (VP) with tallest height;
9) vertical pivots (VP) should be treated as side-hung (SH) windows unless they are 2/3 open out, 1/3 open in, in which case they should be treated as a centre pivot;
10) maximum area horizontal slider (HS) with the tallest height;
11) maximum area vertical slider (VS) with longest length;
b) windows fitted with or without reinforcement in both sash and outer frame and associated size limitations with respect to the weathertightness classification being considered;
c) internal/external beaded systems;
d) glazing – single/double glazed – consider window having the thinnest glass with maximum area for wind loading classification …
e) single or multi-point locking and various other systems;
f) hinging systems/suppliers;
g) other supporting hardware used to support the weathertightness/ mechanical performance.
19 A.2 Testing schedule
Annex B (informative) Durability and recycling
B.1 General
B.2 Components
B.2.1 PVC-U frames
B.2.2 Sealed units
20 B.2.3 Glazing gaskets and weatherseals
B.2.4 Hardware and fixings
B.3 Corrosion resistance of hardware
21 B.4 Installation
B.5 Waste recycling
22 Annex C (normative) Specification for handing
C.1 View
Figure C.1 Drawing conventions for window and door types
23 C.2 Side-hung windows and doorsets
C.3 Vertically pivoted windows
C.4 Multi-lights
Annex D (normative) Weld test
D.1 Principle
D.2 Apparatus
D.3 Procedure
24 Figure D.1 Apparatus for weld test
25 Annex E (normative) Mechanical joint tests (mullion and transom joints)
E.1 Principle
E.2 Test specimen
Figure E.1 Window type and inspection apertures
26 Figure E.2 Test pieces for the watertightness test
E.3 Thermal stress
E.3.1 Apparatus
E.3.2 Procedure
27 Figure E.3 Thermal stress test
E.4 Torsion
E.4.1 Apparatus
E.4.2 Procedure
28 Figure E.4 Arrangement for torsion test
Figure E.5 Torsion test loading cycle
E.5 Bending due to wind load
29 E.6 Watertightness
30 Bibliography
[1] GREAT BRITAIN. Building Regulations 2000 and subsequent amendments. London: The Stationery Office.
[2] GREAT BRITAIN. Building (Scotland) Regulations 2004. Edinburgh: The Stationery Office.
[3] GREAT BRITAIN. Building Regulations (Northern Ireland) 2000. Belfast: The Stationery Office.
[4] GLASS AND GLAZING FEDERATION. Guidelines for the selection, installation and maintenance of screws and fasteners for the window and door industry. GGF data sheet 6.8. London: Glass and Glazing Federation, 2004.
[5] EUROPEAN COMMUNITIES. 89/106/EEC. Council Directive 89/106/EEC of 21 December 1988 on the approximation of laws, regulations…
31 [6] ANDERSON, Jane, SHIERS, David E., and SINCLAIR, Mike. The green guide to specification. Third edition. Oxford: Blackwell Publishing, 2002. ISBN 0 632 05961 3.
[7] BRITISH PLASTICS FEDERATION. Code of practice for the installation of PVC-U windows and doorsets in new domestic dwellings. 356/2. London: British Plastics Federation, 1997.5)

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BS 7412:2007
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