True, it does. but what would be the worst thing you'd run into? Perhaps need to put down a new sub floor? But, then again... if it ain't broke, don't try to fix it. In our case, it was broke. I couldn't breathe every night. The minute I went into the bedroom, the choking would start. And we knew what was there. We built the house! So any sins that needed to be covered were our own!