Let's learn more about the indicators that show soundproofing and sound insulation levels (Dr value, T value, L value).
We will also introduce guidelines for sound insulation levels! A column explaining places where sound insulation is necessary.
For those considering the purchase of soundproof doors, many may be puzzled about what the sound insulation performance values (Dr value, T value, L value) actually mean and which grade of door is suitable for their intended use. Recently, noise issues have become a serious social problem, making it necessary to carefully consider the numerical values related to sound insulation performance. The Dr value, T value, and L value are indicators that represent soundproofing and sound insulation performance. By understanding the differences and overviews of each value, you can choose a soundproof door that is appropriate for your intended use and environment. In this article, we will explain the sound insulation performance (Dr value, T value, L value) that you should know before buying a soundproof door, as well as the sound insulation grades corresponding to each value. *For detailed content of the column, you can view it through the related links. For more information, please feel free to contact us.
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Since its establishment in 1979, Koukou has been designing and manufacturing soundproofing devices for factory machinery, focusing on noise control in factories. In recent years, we have applied industrial soundproofing technology to create soundproof rooms for various musical instruments, home theaters, and other residential soundproofing projects, as well as soundproofing for businesses such as live houses, music studios, dance studios, and karaoke shops. We have also developed and sold our original soundproof doors, which have received positive feedback from customers nationwide due to their reasonable pricing. We can accommodate a wide range of needs, from professional use to hobbyist applications! For all your soundproofing needs, please consult Koukou!