Lining floorboard for scaffolds, having the following features: (a) two outer, spaced-apart longitudinal beams composed preferably of metal; (b) a multiplicity of adjacently positioned, substantially panel-like and rectangular elements composed of plastic, which each lead from the first longitudinal beam to the second longitudinal beam; (c) wherein the elements are each connected to the first longitudinal beam and to the second longitudinal beam; (d) and wherein respectively adjacent elements are in bidirectionally positively locking engagement with one another at least with regard to forces acting at right angles to the useful sides of the elements.