Twelve Oaks Flooring Foundation 2520 Lost Canyon is a dryback - glue down plank vinyl flooring with a 2.5mm thickness and a 20mil wear layer for lasting durability. Plank dimensions are 7.375" wide by 48" long. Each box covers about 37.2 square feet. This product is FloorScore certified, ensuring safety and quality for your space. Category: Vinyl. Brand: Twelve Oaks Flooring. SKU: VDB1051.