Innovative Product Award 2017 for German Windows Malaysia - Homedec Malaysia

German, soundproof, aluminium windows

- the original

Do you have a noise problem?

Your windows and doors are the weakest part of your property. In fact, over 95% of windows and doors installed in Malaysia today, offer little protection from noisy roads, construction or airplaines. Even worse, they do not offer sufficient protection from burgularly and are often found to be leaking.

Aluminium windows reduce highway and traffic noise.

Highways

Aluminium windows reduce airport noise.

Airports

Aluminium windows reduce construction noise.

Construction

What can noise do?

Noise stress is a major cause of illness. It not only damages one’s hearing, it also leaves persistent marks on the human psyche. For many years, effective protection against undesired noise has not merely been a matter of comfort, but a decisive issue in health protection. If you want to learn more, check out the German Windows Noise Brochure (PDF, 4.1 MB).

Reduce perceived noise by up to 99%

A proper sound insulation can only be achieved when all components play well together. The final sound insulation factor depends on the weakest element. Therefore it’s important to take all factors such as glass, profile and installation into consideration.

If the sound level (volume) drops by 10 dB, it is perceived as half as loud.

Conversely, if the sound level increases by 10 dB, it is perceived as twice as loud.

Compare soundproofing level

Press the button to compare the different noise levels and sound reduction level one (-32dB) and two (-40dB).

Street Noise

Open Window
German Windows -32dB
German Windows -40dB

Construction Noise

Open Window
German Windows -32dB
German Windows -40dB

Highway Noise

Open Window
German Windows -32dB
German Windows -40dB

Determine healthy sound level

Recommended sound level

Bedroom 30 - 35 dB
Study room 35 - 40 dB
Living room 40 - 45 dB
Home office 45 - 50 dB

By subtracting the recommended indoor noise level from the typical outdoor noise level, you can estimate the appropriate acoustic performance for your windows.

Example calculation

1. External noise source: 76 dB (road traffic)
2. Desired room noise level: 35 dB (bedroom)
= The difference is 41 dB

In this case, a 41 dB rating is required for your German Windows window and door system.

Environment noise sources and perception

Soundproof window components

Complete silence, whatever happens outside

Select the right glass

Soundproofing requirements vary widely. Our professional staff will help you determine which glass is most suitable, based on your location and the desired soundproofing level.

Glazing type Thickness (mm) Glazing structure (mm) Sound reduction (dB)
Laminated glass
Laminated

6.38
Performance report

3 mm glass
- 0.38 mm PVD-3 mm glass

Rw: 33; OITC: 28; STC: 32

10.76 (64.2Q)
Performance report

6 mm glass
- 0.76 mm SOUND PVD-4 mm glass

Rw: 40; OITC: 35; STC: 40

15.14 (86.3)
Performance report

8 mm glass
- 1.04 mm PVD-6 mm glass

Rw: 36; OITC: 34; STC: 36

21.52 (1010.4Q)
Performance report

10 mm glass
- 1.52 mm SOUND PVD-10 mm glass

Rw: 43; OITC: 39; STC: 43

Insulated glass (IGU)
Insulated (IGU)

22 (8-6-8)
Performance report

8 mm glass
- 6 mm Air gap
- 8 mm glass

Rw: 35; OITC: 31; STC: 34

Insulated glass (IGU)
Insulated (IGU)

21.76 (4443.6A.2)
Performance report

4 mm glass
- 0.38mm PVB-4 mm glass
- 6 mm Air gap
- 3 mm glass
- 0.38 mm SOUND PVB
- 4 mm glass

Rw: 37; OITC: 31; STC: 37

Terms and definitions

Rw [dB] is the weighted sound reduction index

Rw + C [dB] rating includes an adaptation for mid to higher frequency noise sources such as speech, so called “pink noise”, integrated into a single number as outlined in EN ISO 717-1.

Rw + Ctr [dB] rating includes an adaptation which considers lower frequencies noise sources such as aircraft (on land), trains and automobiles and integrated into a single number as outlined in EN ISO 717-1.

STC [Sound Transmission Class] The STC rating was created to provide a single number rating for interior building partitions that are subjected to interior noises such as speech, electronic devices, office equipment and other mid to high frequency noise sources. STC ratings are calculated in accordance with ASTM E413 over the frequency range of 125 to 4000 hertz.

OITC [Outdoor-Indoor Transmission Class] The OITC rating was created to provide a single number rating for facades and facade elements in relation to exterior noise from aircraft, trains, automobiles, and other low to mid frequency noise sources. OITC ratings are calculated in accordance with ASTM E1332 over the frequency range of 80 to 4000 hertz.

The above data is based on testing done by laboratories and internally as well as data published by glazing suppliers. It serves as a guide only. The sound reduction is only as strong as the weakest building element. It is necessary to check the sound reduction values of windows, wall and roofing as a whole. For projects that require fully tested & certified performance data, please get in touch with our specialist. We will work out a solution that suits your needs with soundproofing solutions with up to 64 dB total sound reduction.

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