Twelve Oaks Flooring Surewood Plus Whirlwind is a wpc - click plank vinyl flooring with a 8.5mm thickness and a 20mil wear layer for lasting durability. Plank dimensions are 8.875" wide by 72" long. It includes built-in underlayment for added comfort and sound control. Each box covers about 26.62 square feet. This product is FloorScore certified, ensuring safety and quality for your space. Category: Vinyl. Brand: Twelve Oaks Flooring. SKU: VWP962.