Coretec Floors Originals Classics Norwegian Maple is a wpc - click plank vinyl flooring with a 8mm thickness and a 20mil wear layer for lasting durability. Plank dimensions are 5" wide by 48" long. It includes built-in underlayment for added comfort and sound control. Each box covers about 26.47 square feet. This product is Greenguard Gold certified, ensuring safety and quality for your space. Category: Vinyl. Brand: COREtec Floors. SKU: VV023-00505.