matting

noun3

1. •
   Mats, a collection of ground coverings.

   • His departure oppressed me with melancholy, and, re-entering the dwelling, I threw myself almost in despair upon the matting of the floor. — 1846
2. •
   Coarse fabric, of the kind used to make mats.
3. •
   A dull surface, often used for surrounding pictures.