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In today's home decoration trends, many homeowners prefer to live with their elderly family members and children in a compact space. In such situations, sound insulation becomes a crucial factor. When it comes to interior doors, the sound insulation rating is a highly technical specification that shouldn't be overlooked. Understanding this aspect can help you make better choices when selecting doors for your home. Here are some practical tips from China Wooden Door Network on how to assess the sound insulation performance of interior wooden doors.

1. **Check the weight**: The sound insulation capability of a door is closely related to the density of its material. A heavier door usually means better soundproofing because denser materials block sound more effectively. On the other hand, lightweight molded doors often have inferior sound insulation due to lower density.
2. **Examine the thickness of the wooden veneer**: The thicker the veneer on the door surface, the better the sound insulation. This is because a thicker layer helps reduce sound transmission by providing more resistance.
3. **Assess the flatness of the door**: A flatter door ensures a tighter seal between the door panel and the frame, which is essential for effective soundproofing. If the door warps or isn’t flat, it may allow sound to leak through gaps, reducing its overall effectiveness.
4. **Inspect the quality of the rubber seal**: Pay attention to the expansion rubber between the door panel and the wall. A high-quality rubber seal is essential for sealing gaps and improving sound insulation. Poorly installed or low-quality seals can significantly weaken the door’s ability to block noise.
By understanding these factors, homeowners can make more informed decisions when choosing interior doors that offer better sound insulation, creating a quieter and more comfortable living environment. Whether you're renovating an existing space or building a new one, investing in good soundproofing solutions can greatly enhance your quality of life.
This article comes from China Wooden Door Network, China's well-known wooden door industry portal website! Detailed reference: http://