A decking plank (1) comprising a core (2) which acts as a support beam, one or more layers (3,4) bonded to said core without the use of releasable attachment means and one or the layer being an outer slip resistant covering layer with a relief; characterised in that at least one of said layers (3) is relatively soft compared to said core which is relatively hard; whereby the core acts as a support beam and said at least one layer has a cushioning effect.