STP Black Sound and Vibration Dampener reduces heat caused by engine, exhaust and sunlight. STP Black is formulated specifically for automotive applications, but can be used in many home applications as well. STP Black Heat and Sound Dampener is made of flexible butyl rubber with an adhesive layer on one side, and a foil backing layer on the other. Apply STP Black to doors, trunk, floor, roof, firewall and tunnel. This creates a thermal barrier reducing the heat transfer into your vehicle by over 40%. Your vehicle is surrounded by heat sources that penetrate into the interior. Everything inside your vehicle heats up, including your shoes. STP Black reduces the thermal transfer at the source and makes it much easier to keep the interior comfortable for both short and long rides. STP Black is thicker and outperforms the closest competitor. STP Black is the easiest product to install - is flexible and can be easily molded to un-even surfaces. No preparation or solvent cleaning of the surface is required. Simply peel and stick. Apply STP Black to every metal, plastic or fiberglass panel surrounding the vehicle interior creates a solid door, firewall, floor, tunnel, roof and trunk. You can read more about STP Black Here . Our STP Black items have 8 ratings with an average score of 4.8 out of 5 stars.