Heat Shield and Thermal Barriers

Heat shield insulation and materials can stop over 90 percent of radiant heat in some applications. We offer high performance light weight heat insulation materials giving you thermal control over all your needs. Select from the full line of Heatshield Products thermal barriers.
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Heatshield barriers are designed to shield radiant heat. Heat shield auto insulation material can significantly reduce the amount of heat from entering a vehicle interior and can protect body panels form engine and exhaust heat. You can also use a heatshield barrier to improve the performance of other components.

In order to function properly, most automotive heat shields should be placed on the hot side of a panel, facing the heat source. Heat shield barriers can reflect over 90-percent of heat. While the percentage requires a greater than 1-inch air gap and good air flow, it is attainable.  We do offer heat barriers that can shield heat with less than a 1-inch air gap. Heat reflectivity and reduction can change significantly with environmental conditions. For example, you can reduce over 90 percent of radiant heat with a shield, but change the environmental conditions (such as distance to the heat source or increased airflow) and that same product will now reduce only 50 percent of the heat. The facts are that the more airflow and air space (distance) between the heat barrier and heat source, the greater the improvement to the product’s performance.

Got hot feet? Stick a heat shield on the firewall, transmission tunnel, above the catalytic converter and muffler to keep you cool. Heat shield insulation may also be used for performance gains. Shielding an air filter box with a heat shield can reduce intake temperatures. This can create more horsepower and improve fuel mileage.

Contrary to popular belief, sound barriers are not good heat shield insulators. The most effective way to stop heat, is to stick or add a heat shield on the hot side of the body panel. This means, not placing it under your carpet, but on the underside of the vehicle itself or on the engine side of a firewall. There is one exception, the Stealth Shield. The Stealth Shield is the only product engineered to reduce heat on the inside. Lightweight and only 1/8-inch thick makes it the perfect solution to use in a headliner or sewn into a convertible top to stop heat.

Please use the application guide below and product descriptions to help you decide the best heat shield for your application.


Fire wall, transmission tunnel, floor pan, under cab (above: muffler, catalytic converter, PDF, exhaust system), and Fuel cell HP Heatshield Mat GOOD
Thermaflect Cloth™, Lava Shield™ (0.007°), Thermaflect Shield™ BETTER
Lava Shield™ (0.025"), HP Sticky Shield™, Inferno Shield™ BEST
Hood, air intake system HP Heatshield Mat GOOD
Lava Shield™ (0.007”) or Thermaflect Shield™ BETTER
Thermaflect Cloth™ (0.007") or Cobra Shield™ BEST
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Heat Shield and Thermal Barriers