I haven't noticed any bad "roofing" smells at all. I haven't installed my carpet kit yet, so the product itself is still exposed to the interior. Having used Hushmat and Dynamat, I will say that it probably isn't AS good as those two products. I will say that there is a noticeable difference and once the carpet is in, it will be just fine. The added plus is that my wallet ain't bleeding to death on the floor. (Thanks to whoever put that image in my mind).
