Coretec Floors Tile Dolomi Limestone is a spc - click tile vinyl flooring with a 6mm thickness and a 20mil wear layer for lasting durability. Plank dimensions are 18" wide by 36" long. It includes built-in underlayment for added comfort and sound control. Each box covers about 28.53 square feet. This product is Greenguard Gold certified, ensuring safety and quality for your space. Category: Vinyl. Brand: COREtec Floors. SKU: VV840-12274.