Unfinished Wenge Plank ON SALE - Wenge Plank is a ¾” thick, unfinished, solid hardwood floor. These floors have square edges and ends and can be nailed down to a wood subfloor on and above ground levels. Wenge is a uniform dark chocolate brown to black color that is used primarily for contrasting accent strips or in those areas desiring such bold dark look. Wenge is offered in mixed graining. Within a few months, wenge becomes very uniform in color.