Sound-rated walls 43 - 54 dB
All Triplan walls with a sound reduction of 43-54 dB are shown below.
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|FULL GLASS WALLS|
|TP Lite Twin||-||100||-||42||45|
|FIRE-RATED GLASS WALLS|
|TP Fire S Lite 31 mm||31||70||69||43||-|
|TP Fire A Lite 31 mm||31||80||69||43||-|
|SYSTEM GLASS WALLS|
|Flexica Line TFL2 glass*||-||100||-||32-45||-|
|Flexica Line TFL2 glass 125*||-||125||-||32-44||-|
* The Flexica systems can be delivered with glass up to 8 mm thick.
May be delivered with laminated sound-resistant glass.
** Laboratory values
*** Calculated values = glass sound reduction
Examples of areas where the requirements for sound insulation is between 43 og 54 dB
Sound insulation between meeting rooms must have a value of ≥ 48 dB. Between areas in which confidentiality is requested and other areas there will be requirements for a higher sound insulation.
In daycare buildings the requirements for sound insulation are ≥ 48 dB between living rooms for quiet and/or noisy activities and other rooms.
Source: Guidance on sound requirements in the Building Regulations 2010 (acoustic indoor environment). September 2013.
HOW TO MEASURE SOUND REDUCTION
dB: Air sound insulation is measured in decibels = dB. The scale is logarithmic, so 50 dB + 50 dB is not 100 dB, but 53 dB. Thus, halving or doubling the effect of the sound corresponds to 3 dB. The human ear recognises sound as halved or doubled each time the level is changed by approximately 8-10 dB. (source Alpha Akustik).
Rw: A distinction is made between air insulation measured in the laboratory Rw and
R´w: Measurements are carried out in the current construction site, where the field value is R´w.
As a rule, the field value is 2-3 dB below the value measured in the laboratory.
Rw+C: Measurement for sound insulation against talking, TV, playing children etc.
Rw+Ctr: Measurement for sound insulation against rhythmic music with powerful bass or city traffic noise.
Read more about sound reduction at