Made In Japan, Fast Lab Soundproofing Sheet Roll [Prevents Sound Leaks Through Gap], Soundproofing Sheet, Soundproofing Material, Surface Density:

✅ [More effective soundproofing measures] Improve soundproofing by sealing gaps between soundproofing mats, soundproofing sheets, and other soundproofing materials. The 10m length allows for seamless installation while freely adjusting it to fit the space. Even on ceilings, where installation is difficult, the lightweight design makes installation effortless. It can also be used to fill gaps around doors and windows. ✅ [Safe material that is not harmful to the body] The material is a soft PVC resin sheet containing high-density substances. This product is not subject to the formaldehyde notification and emits almost no formaldehyde. Therefore, there is no need to worry about sick building syndrome, and it can be used safely even in rooms with small children. ✅ [Made in Japan for excellent sound insulation] We promise the reliable quality of our Japanese-made products. High-quality, consistent quality. With a thickness of 1.2mm and a surface density of approximately 2.1kg/m², it boasts proven sound insulation performance with an acoustic transmission loss of 19dB at a frequency of 1000Hz. There is no drop in sound insulation performance at specific frequencies (coincidence effect), and there is no radio interference (wireless LAN or mobile phone outages). ✅ [Soft material for easy application] The soft material allows it to be applied to curved objects such as air conditioners and compressors. It can also be cut freely with scissors or a cutter, allowing it to be neatly processed to fit the installation location. ✅ [Versatile Uses] Soundproofing sheet rolls are useful for a variety of purposes, including filling gaps between soundproofing sheets applied to walls, filling gaps between soundproofing mats laid on floors, soundproofing doors and windows, deadening cars, simple soundproof rooms, soundproof boxes, and filling gaps around percussion instruments. Effectiveness can be further enhanced by combining them with sound-absorbing, sound-blocking, and soundproofing materials. ✅ [Product Details] Set Contents: 1 Soundproofing Roll Sheet. Material: High-density soft PVC resin sheet with nonwoven fabric on one side (flame-retardant). Size: 5cm x 10m. Weight: Approx. 1kg. Thickness: 1.2mm. Surface Density: Approx. 2.1kg/m². Sound Transmission Loss: 19dB at 1000Hz. ✅ [Caution] An odor may be noticeable when first used. The odor will decrease over time, but spraying the sheet with alcohol-based disinfectant or baking soda water can help reduce the odor. For installation, you will need double-sided tape and a stapler.