Heat Shield Insulation helps to eliminate heat, cold, moisture, and noise. It’s flexibility and easily customized size makes it ideal for many applications. Use CSI® Heat Shield Insulation to shield radiant heat from floor boards, air cleaner housings, intake tubes, carburetors, fuel pumps and many more areas of a car, boat, RV, or heavy duty truck. It has also been found helpful for shielding electrical boxes and instruments from intense heat.