Dimensions: 45-in Bottom Width x 48-1/2-in Top Width x 6-in H x 1-in P. Comes factory primed and ready for your paint or stain. Easily install it with fully bonded adhesive or nails. Perfect for exterior and interior applications. Composed of high-density polyurethane, making it a durable yet lightweight product. Moisture, rot and termite resistant. Customize with keystones, pilasters and pediments for an extraordinary look. Ekena Millwork Traditional 6-in x 48-1/2-in Unfinished Polyurethane Cro