Our MBA RigidCore (stone plastic composite) Vinyl Collection is a luxury vinyl plank that combines waterproof construction, excellent acoustical qualities, with designs featuring wood grains to suit any home décor. The core is made by combining limestone powder and stabilizers to create an incredibly stable finished product. The attached underlayment will assist clients in their need to adhere to stringent acoustic regulations. Finally, the addition of the Valinge 2G locking system provides an easy-to-install system that will keep your floor installed as it should be.