Nantucket Window Shadings Nantucket window shadings - combine innovative design with style and versatility. Four different fabrics are available with soft 2 ½" translucent vanes suspended between two sheer fabric facings. With the shading lowered, the vanes can be tilted to any position from fully open to closed. The sheer facings soften the outside view and filter the incoming sunlight. In the closed position you enjoy complete privacy without complete darkness. When the shading is raised, the fabric is totally concealed in the headrail