First, affix the window sound insulation film
The sound-absorbing film is a multi-layered structure sandwiched by a polyvinyl butyral (PVB) layer. The entire intermediate film uniformly distributes fine particles (thermally insulating particles) having a heat insulating effect. In the use of sound insulation film in buildings, the high performance intermediate film sandwiched in the middle of the film has visible light transmission properties, so it does not block the visible light transmittance of the building and maintain a clear line of sight. Window noise film is relatively cheap, the usage is the same as mobile phone film.
Second, install window soundproof seal
Soundproof seals are only valid for poorly sealed windows, and they are cheap, but make sure that no sound insulation is the cause of large window gaps. Otherwise, it is useless. The sealing strip is to block the gap in the window, and it acts like a soundproofing cotton.
Third, add a layer of ordinary plastic steel window
This method is suitable for outdoor traffic noise is not particularly serious situation, and the sill in the home is relatively wide, you can add a layer of ordinary plastic steel window inside or outside the original window. Plastic window to choose a good seal, the distance between the two layers of the window is preferably 10 cm or more. Casement windows have better sealing than sliding windows, so it is best to choose cased windows for retrofit windows. This plastic window is relatively low in terms of cost.
Bedroom soundproofing
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