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Stepsoundreduction for balconies
- Stepsoundreduction for balconies
Impact sound from the hallway/balcony are a big challenge.
(The chapter concerns balconies with shear connections.)
- Increasing focus on step sound dampening and solutions for this.
- Footsteps propagate to adjacent rooms in neighboring apartments.
- Risk of quality reduction of the apartment/building.
- Challenging to meet the requirements of the building regulations.
Our experience, for good impact sound reduction, you need a soft rubber e.g 58 shore :
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| DIBt ; Deutsche Institut für Bautechnik | |
DIBt has shown in its publication that there is a connection between dB, The calculation below shows DIBts formula and our product TSS 102. Reduction : 30 dB = 60 kN ultimate load Area : 115x110=12650mm2/60 kN = 210 mm2 / kN TSS 102 = 25 dB. 100 kN Area : 25000 mm2 = 250 mm2/ kN |  |
| Impact sound in concrete stairs without reduction (from Byggforskserien 532.241) | |
The figure shows transmission of sound from floor and stairs structures whitout any impact sound reduction. |  |
The table below shows limit values from NS 8175 regarding housing.
| Type of room | Class B dB | Class C
|
From commen area/stairs area too living units | 48 | 53 |
To a living unit from a toilet, storage room, balcony, terrace | 53 | 58 |
To a living unit from business area, service area, public area | 43 | 48 |
The table below shows the highest limit values for normalized impact sound level, class C for various buildings
| Type of building | Class C (dB) | Class B (dB) |
| Living units | 53 | 48 |
| Schools | 58 | |
| Hospitals | 58 | |
| Hotels | 58 | |
| Meeting rooms | 58 | |
| Offices | 63 |
Recommended solution for:
Balcony and outdoor walkway
| Article no | Description | Sound reduction | Picture |
| BWC 55-light | For balconies/outdoor walk way with columns/rod system. | 20-25 dB |  |
| BWC 55-740 | For balconies/outdoor walk way with columns/rod system with waterproofing. | 20-25 dB |  |
| BWC 40 U-H | For cantilevered balconies/outdoor walkways. The solution is offered on request. | 20-25 dB |  |