adhesive 16 and cover 18 can each have the same or similar length the nosing assembly 10 can be any width measured from the front edge to the rear edge and in some embodiments is approximately two inches wide the base or tread portion 12 can be comprised of a durable polymeric material such as pvc as shown in fig1 the base 12 can comprise a tread portion 20 that forms a generally horizontal upper portion 22 and curves downwardly at a front side to form a generally vertical front lip 24 the tread portion 20 can further comprise a recessed area between a front rib 28 and a rear rib 26 this recessed area can be sized and shaped to receive the adhesive 16 and the plate 14 between the ribs 26 and 28 the rear of the upper portion 22 can terminate in a rear edge 30 and the bottom of the front lip 24 can terminate in a bottom edge 32 the rear edge 30 and bottom edge 32 can engage with the cover 18 as described below the base 12 can comprise a downwardly projecting rear flange 34 extending from the rear of the upper portion 22 the rear flange 34 can comprise a rearwardly opening recess or cavity 35 adjacent the upper portion 22 and an.