A louver, the louver comprising an elongate body having opposed ends, the body having an outer surface, a slot extending between the opposed ends; and a wrapping disposed about the outer surface of the body, wherein at least part of the wrapping is retained in the slot. The louver may further comprise a retaining member disposed in the slot. The invention also provides a window, door, shutter or blind comprising a louver according to the present invention, and a method of wrapping a louver.