Is the house facing the street noisy? Can I completely soundproof by installing soundproof windows?

Whether your house faces the street or not, urban noise has become a problem that most people are troubled by. When we get home after a busy day, we all hope to have a quiet sleeping environment. But if it doesn't work out, the car honking downstairs and the crying of the children upstairs will all cause poor sleep quality, which is likely to cause neurasthenia in the long run. The appearance of soundproof windows is simply the gospel of noise victims, so can the installation of soundproof windows be completely soundproof? How to choose the soundproof window? After thinking about this series of questions, please continue reading!

1. Can the soundproof window be completely soundproof?

The soundproof window can't be completely soundproof, and the soundproof window with good quality can only achieve the soundproof effect of about 45 decibels.

After the noise is reduced to 35 decibels, it becomes more and more difficult to reduce it. 30 decibels is probably the voice of people whispering, and 40 decibels is the buzzing sound of the refrigerator. High-quality soundproof windows can reduce indoor noise to 30-40 decibels, which will not affect people's sleep in such an environment. The American Speech Hearing Association reminds that long-term exposure to 50 decibels of noise at night can easily lead to cardiovascular disease. If the noise at home exceeds 50 decibels, even wearing noise-reducing headphones will still affect your health. It is recommended to install high-quality sound insulation glass for noise reduction.

Second, how to choose the soundproof window

The material of glass is very important for soundproof windows. But it depends not only on the glass, but also on the sealing type of the frame profile, the sealing type between the glass material and the frame profile, and the sealing type between the wall and the frame. Secondly, the locking point of the hardware hinge and the way of opening the window will also affect the sound insulation effect.

1, glass material

Sound insulation glass popular in the market can be divided into four types: insulating glass, laminated glass, insulating laminated glass and vacuum glass, and the combination of insulating glass and laminated glass can be divided into single-layer insulating laminated glass and double-layer insulating laminated glass.

At first, insulating glass was used for heat insulation. The principle of sound insulation is to use the air in the hollow part to absorb the energy of medium and high frequency sound vibration, thus reducing the sound level. The more air in the insulating glass, the better the sound insulation effect.

Laminated glass mainly uses PVB interlayer to absorb medium and low frequency sound waves, and the sound insulation effect is related to the thickness of glass and interlayer. However, when the weather is cold, the elasticity of the laminated layer will be reduced because of the low temperature, and the sound insulation effect will also be reduced. Sandwich insulating glass can have the characteristics of the above two glasses.

Vacuum glass uses the principle that vacuum can't transmit sound waves, but many vacuum glasses on the market can't be completely vacuum and are not durable. If air leaks during use, the sound insulation effect will be reduced.

To sum up, in order to obtain better sound insulation effect, it is suggested to choose double-layer hollow laminated glass or multiple layers.

2. Window opening method

Opening a window affects the sealing performance of the window. Common window opening methods are: flat opening, push opening, split opening and folding opening. Among these window opening methods, flat opening is the best sealing performance. The casement window has large area, good ventilation, small area connected with the window frame and better sealing performance. Therefore, casement windows are widely used in the design of sound insulation windows.

3, window frame material

Plastic steel, mainly made of PVC resin, is simply lined with steel inside the resin. Its endurance is not very good, and it is easy to deform after long-term use. Another disadvantage is that the fire resistance of plastic steel is also poor.

Broken bridge aluminum is also called broken bridge aluminum alloy. Compared with ordinary aluminum alloy, it has better sound insulation effect, so it is a common sound insulation window frame material in the market. The two sides of the broken bridge aluminum window are aluminum alloy, and the middle is connected by nylon heat insulation strip. The function of heat insulation strip is heat insulation, and double-layer hollow laminated glass is used in the middle, which makes its sound insulation, heat insulation and heat preservation functions better than those of plastic steel.

If you want to install a window with good sound insulation effect, you can try the combination of casement window+double hollow laminated glass+broken bridge aluminum alloy window frame.