Patent ID: 8858349

Claim:
A padding layer panel for assembly with other substantially identical padding layer panels for forming a padding layer for installation over a surface and under a carpet-like top layer having a series of regularly spaced apart parallel rows of backstitches separated by a backstitch distance, the padding layer panel comprising: a top surface comprising top channels which are equally spaced and parallel, each one of the top channels having a center, wherein a distance between centers of adjacent ones of the top channels is defined as a channel distance, wherein the channel distance is a multiple of the backstitch distance, and wherein each one of the top channels is for receiving the same number of rows of backstitches; and two opposite edges, wherein at least a portion of the top channels extend between one of the two opposite edges to the other one of the two opposite edges and at least one of the two opposite edges is adapted for attachment to one of the other substantially identical padding layer panels.