Marine Felt Shield

Marine Felt Shield

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  • Reflective radiant continuous temperature 1100°F aluminum side

  • Continuous direct contact temperature, 1800°F, HP felt side

  • Heat shield felt mat is 1/8 inch thick

  • May be used as direct insulation on exhaust system

  • Or face foil side towards heat source to act as a radiant heat shield barrier

  • Made in the USA

Part No Description
HD80101 0.125 thk x 24 in x 53 in
HD80102 0.125 thk x 53 in x 60 in
HD80111 0.25 thk x 24 in x 53 in
HD80112 0.25 thk x 53 in x 60 in

Our HP Marine Felt Shield is the perfect high temperature insulation solution for heating issues caused by a diesel, general exhaust heat, genset, turbo wrap, or any repower restoration. This high temperature felt insulation material is a carbon pan based felt designed to take temperatures of 1800-degrees Fahrenheit. The black side of this felt may be used directly on the exhaust system for direct insulation. The versatility of this marine insulation product also allows it to be used as a heat shield thermal barrier by lining the engine compartment or under side of vehicle and facing the aluminum side towards the exhaust system to stop the radiant heat. To use as a heat shield barrier, attach mechanically with rivets or screws, large washers are also recommended.


  • Heavy Scissors or Utility knife


  • Use felt side directly on exhaust system, use Thermal-Tie, hose clamp, or other mechanical fastener to secure
  • Face foil side towards heat source to act as a radiant heat shield barrier
  • PRO TIP: Use poster board to make a template, this saves time and money


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heatshieldproducts (844) 723-2665