Noise-proof Aluminium Windows and Doors - Necessary Choice for Qualitative Life

Aluminium windows and doors are essential parts of a building. The initial demand for windows and doors started changing from normal ventilation and day lighting to sound-proofing straightly due to the problems that created by city development. Data shows that 90% of noise are coming from outside because walls have better thickness and sound-proofing. Sound-proofing leans on frames glass material and seal. While living in crowed and busy city, noises are every where. It is not just causing life difficulties, but also our working performances and sleep.

 

Sound is a vibration wave and people use unit dB to measure the strong and weak of sound :

0-20 dB quiet, barely hear 

20-40 dB quiet, whispering  

40-60 dB, normal chat indoor  

60-70 dB, noisy, nerve effects 

70-90 dB, noisy, nerve cell effects 

90-100 dB, extremely noisy, hearing damage  

100-120 dB, temporarily deaf

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①outdoor noise    ②noise from below    ③noise from above    ④elevator noise

 

High dB would cause anxiety and agitation,uncomfy. Therefore, noise-proof spaces are extremely important to us. Sound-proof windows and doors are necessary.

 

Part Ⅰ   Frames material and structure 

Mult-antrum structure increases seal performances due to individual antrums are sealed. Especially,the mult-antrum thermal break structure is able to reduce heat conduction, the more sound-proof material, antrums are applied, the best sound-proof performances will be.

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Part Ⅱ   Glass material structure

The most common glass in the market are hollow,laminated and vacuum glass. Glass used above 20 floors are usually vacuum and hollow glass because there is little vehicle noise. Glass that used in low floors and beside carriageways are considerably using vacuum and mult-three layers sound-proof glass because of classing to noise sources. Most sound-proof windows used hollow and double glass.Different in sound-proof performances due to different in glass used. Noise will be reduced and eliminated through each layers in order to be sound-proof.

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Part Ⅲ   Sealing  Treatment

Beside the glass and aluminium profile,leak is also one of sound transmitting pathways. Better seal design may reduce noise transmitting through the windows.Sealing is a connection between glass and frames. Undersigning of sealing will cause noise transmitting through the windows. The application of glue injection enhance the corner hardness and air-tightness. In addition to that, using high quality plastic strips, especially the EDPM Strips,to seal the windows that may increase the durability, hardness and sealing performances.

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Part IV   Location 

Location is also an external effect to sound-proof performances. Sound barriers and distance to the source are also important. The more barriers around and the further to the sound source, the less noise it will be. Building alongside the main road, floors in the middle suffers from the most noises, then reduce from low to high. Building with sound barriers around, top floor usually suffers from the most noises, then noises reduce from high to low. Because more sound barriers around the building in low floors and wide open from low to high. Therefore, choosing the suitable location with virescence,floors, designing rational windows designs, distance to the noise source may reduce the effects of noise.

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Living in crowed city with noises everywhere, choosing sound-proof windows and doors may satisfy basic needs and provide a secret private space.

Xingfa Aluminium, established in 1984, is the leading aluminium window supplier in China. Xingfa Aluminium has been persisting on the approaches of combining independent research&development and cooperation with domestic and overseas scientific research institutes. Relying on our own four national and five provincial R&D platforms, Xingfa always keeps close cooperation of industry, university and research to provide strong guarantee for the improvement of the company's technology research and development capability, thus forming self-owned core competence.

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