In home decoration, most people want to live with the elderly, children or nannies, plus the area of ​​the house is not too big, the sound insulation effect is particularly critical. However, the sound insulation index is a very professional figure. It is not very useful for businesses alone. Therefore, it is very practical to learn how to check the sound insulation of wooden doors. The following three types of detection methods are recommended methods for detection by ordinary consumers and are based on the characteristics of wooden doors on the market. 1, see the weight. The formula of sound insulation is directly related to the density of the material, so the sound insulation with relatively high density is relatively good, and the molded door is relatively light, which is the root cause of poor sound insulation of the molded door. Note, however, that the soundproofing of cotton in the middle of the flat hollow door will be more soundproof than the solid wood door. 2. Look at the thickness of the wood facade laminate. The thicker the surface layer, the better the sound insulation. The general wooden door surface board should use 8mm thick. The thickness of the surface layer is also better at the same time, but the cost will increase. However, the iron sheet of the iron fire door is 3mm thick and the sound insulation effect is also good. 3, see the flatness of the wooden door. The flatter the wooden doors, the better the combination with the door covers, regardless of the structure. As long as the deformation of the wooden door noise is definitely not enough, air leakage. There is also a slightly more professional point, the quality of the expansion glue between the door sleeve and the wall, and if this is not good, it will also seriously affect the sound insulation. Actually, the sound insulation of doors and windows is the same as that of fire doors, and it is a country-level one, not a single one. The concept of "sound insulation" and "sound absorption". The principle of sound insulation is based on the quality or density of the material (where the overall weight of the iron door is less than the wooden door when the overall weight of the iron door is smaller than the wooden door), and the sound absorption depends on the fine surface area of ​​the material and the uneven surface. Space (rock wool, mineral wool, and foam are sound-absorbing materials rather than sound-insulating materials).
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