Hager AKU2000402 handleiding
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Sound protection and impact noise
Impact noise reduction for floor installation systems
15 Sound protection and impact noise
The aim of sound protection in buildings is to prevent sound from being transferred between various
rooms and/or floors. The DIN 4109 standard contains guidelines on sound and impact noise levels in
residential buildings. Impact noise consists of two types of sound.
Airborne sound travels through the air, whereas structure-borne sound travels through solid bodies.
Standard DIN 4109 specifies noise limits L
n,w
that must not be exceeded in certain areas of applica-
tion.
Examples of segment-related noise limits:
– Office buildings: Residential dividing ceilings and ceilings between third-party office rooms
L
n,w
≤ 53 dB
– Recreation rooms and hotels (increased sound protection requirements):
L
n,w
≤ 46 dB
The following always applies: Basic rule: The lower the values, the better the impact noise protection.
The value can be reduced, for instance, by laying a floor covering (such as carpet). The transfer of im-
pact noise can also be reduced by laying the floor on an insulation layer (‘floating screed’).
15.1 Impact noise reduction for floor installation systems
Reducing the transfer of impact noise is also relevant when laying underfloor installations. A testing in-
stitute was therefore engaged to measure the impact noise reduction in selected Hager products. The
requested test consisted of the measurement of the vertical spread of the structure-borne sound, in
other words the transmission of sound between floors.
Müller-BBM GmbH measured the impact noise reduction in the ceiling test station in accordance with
the DIN EN ISO 10140 standard and evaluated the findings in accordance with the ISO 717-2 stan-
dard.
The results of the measurement of the impact noise reduction are summarised below for the floor
trunking and the stainless steel cassette.
The installation of the floor trunking has no significant influence on the impact noise reduc-
tion of the screed.
The installation of the stainless steel cassette has no significant influence on the impact
noise reduction of the screed.
u
You can find detailed information and an evaluation of the impact noise at www.hager.de .
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Productinformatie
| Merk | Hager |
| Model | AKU2000402 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 13434 MB |
Caratteristiche Prodotto
| Kleur van het product | Zink |
| Breedte | 200 mm |
| Diepte | 2400 mm |
| Hoogte | 40 mm |
| Materiaal | Staal |
