Table of Contents

Section 1 Scope

Section 2 Definitions

Part 1The selection and installation of glass in buildings

Section 101 Classifications

101.1 General

101.2 Transparent glass

101.3 Translucent glass

101.4 Processed glass

101.5 Miscellaneous glass

Section 102 Work on glass

102.1 General

102.2 Cutting processes

102.3 Obscuring processes

102.4 Silvering

102.5 Gliding

102.6 Staining or painting and firing

102.7 Shaped, drilled and notched glass

102.8 Bending

Section 103 Design considerations

103.1 General

103.2 Natural light

103.3 Thermal considerations

103.4 Sound

103.5 Safety (Human impact safety requirements

103.6 Security

103.7 Fire

103.8 Durability

103.9 Strength of vertical flass to withstand uniform wind loading

103.10 Strength of sloped overhead glazing to withstand loadings

103.11 Sloped glazing

103.12 Care of glass

103.13 Condensation

103.14 Louvres

103.15 Frameless glass assemblies

103.16 Buiding design, and maintenance

Section 104 Glazing materials

104.1 General

104.2 Function

104.3 Glazing putties-hard setting

104.4 Flexible glazing compounds

104.5 Sealants

104.6 Preformed strip materials

104.7 Preformed compressive gaskets

104.8 Miscellaneous glazing materials

Section 105 Procedures for glazing

105.1 General

105.2 References

105.3 Rebate dimensions

105.4 Edge cover

105.5 Edge clearance

105.6 Blocks

105.7 Rebate preparation

105.8 Glazing without beads

105.9 Glazing with beads

105.10 Glazing in grooves

105.11 Structural gaskets

105.12 Internal glazing

105.13 Fixing of mirrors

Part 2 The Selection and installation of manufactured sealed insulating glass units

Section 201 Selection and installing of sash and frames

201.1 Sashes and frames

201.2 Rebates and grooves

201.3 Aluminium bars

Section 202 Preparation of sash amd frames

202.1 Timber parts

202.2 Metal parts

Section 203 Blocks

203.1 Materials

203.2 Placements of blocks

203.3 Size of setting blocks

Section 204 Edge and face clearances

Section 205 Heat, drapes, shades films

Section 206 Treatment of the unit

206.1 Storage procedures

206.2 Glazing

206.3 After glazing

Section 207 Solar control and special product requirements in insulating glass units

207.1 General

207.2 Installations

Section 208 Procedures for glazing

Section 209 Performance of manufactured sealed insulating glass units

Appendix

A Basis for determination of thickness or area of glass in accordance with the requirements for wind loading

B Examples of calculations for sloped and overhead glazing

Table

1 Range of thicknesses and sizes in sheet glass

2 Range of thicknesses available in float glass

3 Edgework and beveling

4 Typical light transmission properties for different glass types

5 Typical solar radiant heat properties for glasses

6 Shading coefficients for a selection of 6 mm glasses with various arrangements of louvered blinds

7 Solar optical properties of glass and blinds materials considered in Table 6

8 Thermal transmittance of single glazing aggregate “U” values in W/m2K

9 Thermal transmittance of insulating glass units – aggregate “U” values in W/m2K

10 Sound insulation (dB)

11 Maximum area of clear or patterned safety glazing material for framed glass doors and framed glass side panels

12 Maximum area of clear or patterned ordinary annealed glass for framed glass doors and framed glass side panels

13 Maximum area of ordinary annealed glass for internal partitions

14 Ground roughness categories

15 Basic wind speed for vertical glazing

16 Safety factors

17 Loads on sloped glazing due to weights of glazing bars and glass

18 Combined pressure coefficients for roofs (Cp)

19 Loads on patent glazing due to weights of bars and glass

20 Basic wind speed for sloped glazing

21 Design wind pressures (Pa)

22 Maximum lengths for louvre blades of clear and patterned glass

23 Guides for the selection of glazing materials

24 Minimum rebate depths (putty fronting)

25 Minimum edge cover for single glass exceeding 6 mm thickness

26 Bead glazing

27 Minimum edge cover for single glass up to and including 6 mm thickness

28 Minimum edge clearance for glass

29 Determination of setting block leength

30 Edge and face clearances

A1 Factors of relative resistance to wind load for glasses of equal thickness

B1 Working pressures for glass (single glazing, with glazing bars)

B2 Working pressures for glass (double glazing, with glazing bars)

Figure

1 Glazing wedges amd back seals

2 Setting and spacing blocks

3 Placement of blocks

4 Measurement of clearances and other dimensions

5 “U” glazing channel

6 Types of brilliant cut (not to scale)

7 Finger slot (or cut sunk finger grip) (not to scale)

8 Relative position of notches and cut-out

9 Decision procedure for glass design

10 Examples of total transmission characteristic

11 Thermla break – low stress

12 Thermal break – high stress

13 Examples of pure tension failures including thermal breaks

14 Radius of fracture

15 Non-thermal break

16 Examples of tension failures from bending

17 Impact damage – face of glass

18 Impact damage – edge of glass

19 Human impact safety requirements

20 Annealed glass. Four edge support

21 Annealed glass. Two edge support

22 Toughened glass. Four edge support

23 Toughened glass. Two edge support

24 Laminated glass. Four edge support

25 Laminated glass. Two edge support

26 Patterned glass. Four edge support

27 Patterned glass. Two edge support

28Double glazing units. Four edge support

29 Double glazing units. Two edge support

30 The glazing rebate

31 Recommended positions of setting and location blocks

32 Glazing with putty fronting

33 Glazing with putty and beads

34 Glazing with hand grade non-setting compound and beads

35 Glazing with strip sealants and capping

36 Drained glazing systems

37 Compression glazing

38 Glazing into grooves

39 Structural gaskets

40 Setting blocks

41 Storage of units