The city is so noisy that many people are willing to spend a lot of money to buy quiet doors and windows. In fact, the sound insulation of doors and windows is a relatively complex problem. According to the needs and positioning of different groups, there are many kinds of quiet doors and windows. Of course, the important thing is that the prices of doors and windows with different sound insulation effects are also very different. In life, we do not need to pursue relative silence, as long as we can achieve comfortable life Degree is OK, so I'll talk to you today about how to choose quiet doors and windows.
In particular, high-rise owners, who live on different floors and different sound sources, bear different noise indices. There are many kinds of noise, including low-frequency, medium frequency and high-frequency. For example, the owners of high-rise floors may face less square noise, while low-level owners will face stronger road and wide-field noise. At this time, the sound insulation effect of doors and windows is selected. When determining the glass, you can select the sound insulation effect of doors and windows There are some differences between double glass tempering and three glass tempering.
Sound insulation not only depends on glass, but also on window frames
Many people think that the sound insulation index of doors and windows mainly depends on the thickness and the number of layers of glass. Indeed, the sound insulation index of tempered glass is higher than that of ordinary glass, and double glass is more sound insulation than single glass. However, the sound insulation effect of doors and windows can not only depend on the glass, but also on the door frame. In terms of sound insulation effect, bridge broken aluminum alloy doors and windows are better than plastic steel doors and windows.
How to ensure the tightness of doors and windows installation
The editing and installation process of sound insulation doors and windows is easy to get greasy. In the process of door and window installation, it is necessary to confirm that the foam glue is sent between the window frame and the wall. On the sealing of doors and windows, observe several layers of protection on the sealing strip. Generally, doors and windows are protected by two layers of sealing strips, and the better is three layers. In other words, sealing strips are installed on the outside, middle and inside of the window sash to form three seals. The outer seal blocks the rain water, the inner seal blocks the outdoor gas, and the middle seal forms a cavity, so as to effectively prevent rainwater from entering the room through the effect of outdoor wind pressure. Remember, after installation, the user should remove the protective film, so as to prolong the service life of doors and windows.
Sound insulation inspection of door and window foundation after installation
After the doors and windows are installed, the foundation acceptance work shall be done
Whether there are scratches on the window and whether the hardware is flexible and stable;
Whether the glass has scratches and degumming;
Whether the casement window is flapping smoothly;
The lower part of the sliding window frame shall be equipped with aluminum slide rail to facilitate its replacement;
There should be a fixed piece in the middle of the sealing wool top of the window sash, which is the key to the sealing performance of the sliding window.
What is the controllable low dB of sound insulation doors and windows
It's a question that many people are curious about. In fact, the natural physical noise in our daily air is 30 dB, and the noise below 30 dB can not be recognized by the detector. Indoor sound control at about 35 decibels is comfortable and quiet.