I recently ripped off the old carpet in a room, along with the under-pad. The pad is in a decent condition, so I'm wondering it could be the re-used somewhere? Of course I would not use it again for another carpet underlayment, but is it possible to insulate anything with it (just as example)?



I would not bother with used pad . You can get new inexpensive rubber pad of the appropriate thickness when you need it. I have reused older type pads , you can never get them clean; dirt goes through the carpet into the pad. And , I have used new pad trimmings for attic supplemental insulation , again ,the used pads are dirty.

  • And used pad often voids the carpet warranty. – isherwood Dec 13 '18 at 20:59

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