BS CP153-3(1972) : 1972
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
WINDOWS AND ROOFLIGHTS - WINDOWS AND ROOFLIGHTS - SOUND INSULATION
28-09-2012
23-11-2012
Foreword
1. GENERAL
1.1 Scope
1.2 Performance and costs
1.3 Types of windows
2. MEASUREMENT OF SOUND
2.1 The decibel scale
2.2 Loudness
2.3 The dB(A) scale
3. CONTROL OF NOISE
3.1 Transmission of sound
3.2 Sound insulation
4. THE SOUND INSULATION PERFORMANCE OF WINDOWS
AND ROOFLIGHTS
4.1 Effect of openings
4.2 Ventilation
4.3 Performance categories
4.4 Field and laboratory measurements
4.5 Design principles
4.6 Rooflights
4.7 Thermal effects of double windows installed
primarily for sound insulation
5. NOISE LEVELS
5.1 External noise climate
5.2 Desirable limits for intrusive noise in buildings
5.3 Sound insulation requirements
5.4 Effects of height of buildings
6. THE SELECTION OF WINDOW TYPES AND SIZES
6.1 Effects of building design and siting
6.2 Curtain walling
6.3 Fixed and openable windows
6.4 Use of double windows
6.5 Automatically controlled windows
7. SONIC BOOMS
7.1 Effects on windows
APPENDIX
A. Further reading
TABLES
1. Sound insulation values for closed windows
2. Range of noise levels at locations in which traffic
noise predominates
3. Tolerable noise levels (not exceeded for more than
10% of the time)
4. Effect of window size on the sound insulation of
40 dB and 50 dB external walls
FIGURE
1. Analysis of traffic noise and window insulation
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