Let me start by saying, if you're tired of hearing every rattle and hum in your car, the GOSCHE Sound Deadening Mat is a game-changer. I installed this in my sedan's doors and trunk, and the difference was noticeable immediately. The 197 mil thickness really absorbs vibrations, turning my noisy commute into a much more peaceful experience.

The installation process was surprisingly easy. The included roller tool made pressing the adhesive-backed mat into place a breeze. I especially appreciated how lightweight yet durable the material felt - it conformed to curves without tearing but stayed firmly in place once applied.

While testing it out on a hot day, I was pleasantly surprised by its heat insulation properties too. My car's interior stayed noticeably cooler after parking in direct sunlight. The closed-cell foam design definitely works as advertised for both sound and thermal insulation.

However, I should note that this isn't a miracle product for extreme noise reduction. As one reviewer mentioned, it's great for vibration damping but won't completely block loud engine noises on its own. For my daily driver though, it provided just the right amount of improvement.

The value here is outstanding compared to premium brands like Kilmat. While you might get slightly less material than advertised (my roll was about 10% shy), it still covers most small to mid-size applications well. Just don't expect to soundproof an entire SUV with one package.

One pro tip: If you're working with uneven surfaces or complex shapes like wheel wells, having some spray adhesive on hand helps ensure perfect adhesion where the factory backing might not stick as well.

Final verdict? For under $50, this delivers impressive results that will satisfy most casual users looking to reduce road noise and improve their driving comfort without breaking the bank.