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The window is the noise of
traffic noise, the bus started to accelerate, crossing the light
to turn green, a strong roar, in the evening times A levels
reached 79.2-82.6dB, master of environmental noise of low
frequency noise reached 92.2-96.5dB, seriously affected the
rest, it is effective method of sound insulation for soundproof
windows, but I know the market price in Beijing is a 1200 square
meters of package materials, the lowest is 1150 friends, want to
friends in the price prohibitive! Therefore, we developed a
simple and effective method, through instrument detection can be
isolated from 3542db. To be able to ensure the normal rest.
The factory dormitory Zhang Gong with a window, outside the
window is a highway, although there are isolated from a wall,
but it was able to hear the car shrill whistle sound, don't want
to spend too much money, do it yourself.
1 did not make the prototype of the front window.
2 horizontal accurate measurement of the height of the window
3 vertical precise measurement of the length of the window
4 according to the long high order of silent treasure sound
insulation cotton
5 installation method
6 after finishing the effect
Experience: Aluminum Alloy ordinary steel windows, you can use
the mute treasure window insulation cotton (windows do not)
The window of the long high is 1.5 or less.
.