Not that I've noticed. It's not all that thick. And I haven't seen the foil backing on it slipping around....lol.
Pretty sure you will never know it's there once you put the carpet down.
When I went into this path, my objectives were that it be cheap, (because, apparently, I am), effective, and not bulky. I have seen other products that were really thick. I have also had experience with upholstry shops that add in layers of thick jute crap under the carpet.
Years before, I would have just used the factory stuff, thrown down the carpet and been done with it. My ears have been getting hammered as of late and this is my first stage of trying to keep 'em a little happier.
