Roll Pack Sound Deadener for Cars-Auto Closed Cell Foam Noise Deadening Material-Heat Shield Insulation Dampening Mat, 157mil 6sqft

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I bought this AggSound 4 mm sound-dampening roll specifically to quiet my Bambu Lab P1S 3D printer enclosure, and it exceeded expectations. The material is dense, flexible, and easy to cut, making it simple to line the inside panels. The adhesive backing grips firmly but still allows a bit of repositioning during installation—no messy glue required. Noise reduction is dramatic. After lining the enclosure, I measured roughly a 30–40% drop in operating noise, and the harsh high-frequency vibrations from stepper motors are almost gone. The printer now runs with a deep, muted hum, which is a huge improvement for a home office or shared workspace. The roll size (170 × 33 cm) was ideal—plenty to cover the P1S panels with some left over for small accessories. The 4 mm thickness strikes the right balance: thick enough to absorb vibration but not so thick that it interferes with door seals or airflow. Overall, the quality and performance are outstanding. If you want a quieter, more professional-sounding Bambu Lab P1S (or any 3D printer or enclosure), this AggSound sound-dampening material is a must-buy upgrade.

Very sticky backing. Once it down ,its down. Good sound barrier, and help the vibration of the gas tank I carry on the truck.

Not as Described – Misleading Coverage and Too Thin for Real Insulation This product is nowhere near the advertised 6 square feet—it covers significantly less. Despite claims of "4mm high-quality closed cell foam" and effective sound insulation, it's extremely thin and does almost nothing to block noise. It might offer minor padding, but for serious soundproofing or heat insulation, it's completely inadequate. Feels more like a budget liner than a professional-grade solution.

Great