Coretec Floors Tile Alba Marble is a mineral core - click tile vinyl flooring with a 9mm thickness and a 20mil wear layer for lasting durability. Plank dimensions are 12" wide by 24" long. It includes built-in underlayment for added comfort and sound control. Each box covers about 15.5 square feet. This product is Greenguard Gold certified, ensuring safety and quality for your space. Category: Vinyl. Brand: COREtec Floors. SKU: VV848-12263.