CORK SPRAY At ThermalCork™ Solutions, our mission is to provide an eco-friendly and long-lasting fix to the many issues a building’s exterior may face. We will protect your building’s exterior with a thermal cork coating that is not only eco-friendly, but will adhere to almost any surface, is flexible, and has thermal and acoustic properties. Cork is a light, but highly-durable material that can provide a superb protective shield for your home or building. Thanks to the development of ThermalCork™, cork is now an affordable option for everybody.