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.

Interior/Interior DoorsSoundproofing/Shielding Unit