Coretec Floors Originals Premium Spirit Oak is a wpc - click plank vinyl flooring with a 12mm thickness and a 30mil wear layer for lasting durability. Plank dimensions are 7" wide by 72" long. It includes built-in underlayment for added comfort and sound control. Each box covers about 21.39 square feet. This product is Greenguard Gold certified, ensuring safety and quality for your space. Category: Vinyl. Brand: COREtec Floors. SKU: VV458-02706.