Structures of non-metallic materials excluding scaffolding, platforms, ladders, and stepladders, namely, decking boards for residential and commercial decking applications; building lumber; manufactured timber; wood boards; wooden floorboards; wood beams; terrace boards being floorboards made of wood or composite wood; cladding boards made of wood or composite wood for building facades; non-metallic trellises; non-metal fencing materials

combination plastic and wood material used as a wood substitute, in the form of boards, rails, spindles, balusters, posts and moldings