Carpet padding refers to the soft material placed underneath a carpet to provide comfort, insulation, and support. It acts as a cushion and helps the carpet feel more comfortable to walk or stand on. Full definition
Leather gets bonded into new leather sheets, the foam can be recycled into carpet padding, rubber can be used for new shoes or surface material and other material often becomes insulation. (earth911.com)
It's used in carpet padding and cushion foam, and it's being found in house dust. (scientificamerican.com)
You'll be left with gross carpet padding, tack strips and thousands of staples. (ourstoriedhome.com)