There are plenty of options available while buying exterior firewall insulations in the market right now, and if you're confused regarding which one to go for, You have landed on the right page.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Kilmat Exterior Firewall Insulation READ REVIEW

Best For Your Old Car Restoration: Buy: Thermo-Tec Exterior Firewall Insulation READ REVIEW

Best For Noise Absorption: Buy: Noico Solutions Exterior Firewall Insulation READ REVIEW

Best For Sound Proof: Buy: Uxcell Exterior Firewall Insulation READ REVIEW

Best For Heavy Duty: Buy: Siless Exterior Firewall Insulation READ REVIEW

Best For Rzr Heat Shielding: Buy: Lingda Exterior Firewall Insulation READ REVIEW

Best For Race Cars: Buy: Us Energy Products Exterior Firewall Insulation READ REVIEW

Best For Rear Hatch: Buy: Soomj Exterior Firewall Insulation READ REVIEW

Best For Body Panels: Buy: Dreamizer Exterior Firewall Insulation READ REVIEW

Best For Thermal Insulation Properties: Buy: Chaogang Exterior Firewall Insulation READ REVIEW

Best Overall: Kilmat Exterior Firewall Insulation

Buy on Amazon

The Kilmat Exterior Firewall Insulation is long-lasting, rigid and fits well with your daily usage like a dream. The kilmat exterior firewall insulation is a light - weighted sound deadening material. You are not just buying an excellent - quality product but also saving more than 20% compared to competitors as well. This weight ensures optimum efficiency and sound insulation that could be possibly gained from 50 mil thickness material.

The insulation works well for noise isolation, it makes for strong adhesion and has science design. Lastly, the kilmat exterior firewall insulation sticks very well and it adheres well.

Most customers opine that the insulation looks and feels like the big name brands. Further, they also found that the insulation is great for damping areas in the cab. Moreover, a few also found that the biggest thing was getting a license plate pad of some sort. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

• This has some insulating value but is probably really low.
• It is easy to cut out specific shapes without measuring.
• This is installed and there are no problems at all with any odors from it.
• This is nice and lays easy without a lot of smell or odor.

Best For Your Old Car Restoration: Thermo-Tec Exterior Firewall Insulation

Buy on Amazon

If you often find yourself confused about appropriate and satisfactory insulation, Thermo-Tec Exterior Firewall Insulation should be your first option for buying. The thermo-tec exterior firewall insulation provides great value and it is very effective. Make sure this fits by entering your model number. Further, the insulation is perfect for floor boards and it is made for quick delivery.

The insulation is made with fast shipping and it works great. Most importantly, the thermo-tec exterior firewall insulation works great for heat, is sound fair and it is perfect for industrial applications.

Almost all customers agree that the insulation can be used on the outside of the doghouse facing the engine. Also, they also found that the insulation is good as products cost twice the price. In addition, a few say that the highly reflective surface of the material is capable of withstanding radiant temperatures up to 2000 ° f.

• This reduces heat but adhesive ca handle the heat and drips everywhere.
• This is perfect for a motorhome diesel engine cover.
• This definitely feels much cooler and slightly quieter.
• This is made up of woven silica with a flexible aluminized finish.

Best For Noise Absorption: Noico Solutions Exterior Firewall Insulation

Buy on Amazon

Noico Solutions line of insulation comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Noico Solutions Exterior Firewall Insulations comes at a nice price and it is incredible. The sound deadener material allows you to deal with both, cold and the heat. The operating temperature of the material is the same as of rubber foam.

Above all, the noico solutions exterior firewall insulation is especially important in hot - climate areas.

Most customers opine that the insulation has created "scratches" or "rubs" in the foam. And, a few say that the insulation has more cushion to absorb bass reflections, which will cancel or magnify some frequencies over others, mostly depending on the dimensions of your trunk and the sub position. Moreover, a few strongly agree that this material is primarily a heat & cool insulation material and its major application is to keep a car cooler in summer and warmer in winter. At the same time, it does provide some sound deadening effects but as an added value. In short, many have used the insulation for more than a few months without letup, and it shows no sign of giving up.

• This is great for floor pans, is very adhesive and it sticks on easily.
• This is used to buffer noise from electric boxes.
• This is designed to be applied to an interior metal surface.
• This is the underside of a car engine hood.

Best For Sound Proof: Uxcell Exterior Firewall Insulation

Buy on Amazon

The features department is where Uxcell Exterior Firewall Insulation truly manages to shine. In addition, the insulation fits well with strong shock resistance and it works great. Make sure this fits by entering your model number. Above all, the uxcell exterior firewall insulation sticks well, it is original and has a good design.

Almost all customers opine that the insulation works well, easy to install, does not stick that well. Also, a few strongly agree that the insulation does work very well and has a peel off layer to stick it down. In short, many customers have used the uxcell exterior firewall insulation for more than a few months without any issues, and it shows no sign of giving up.

• Strong sound insulation and absorption performance,heat insulation, damping and.
• Good brand reputation.

Best For Heavy Duty: Siless Exterior Firewall Insulation

Buy on Amazon

Siless makes beautiful and great insulation with classic and smartly chosen materials. The Siless Exterior Firewall Insulation is great with great stuff, has phenomenal performance and it works great. Make sure this fits by entering your model number. The operating temperature of the material is the same as of the rubber foam up to 215 degrees fahrenheit.

The insulation provides great value and it is made for perfect thickness. In addition, the insulation is perfect for heavy duty, comes water proof and it adheres well. Above all, the siless exterior firewall insulation sticks well and it is very thick.

Almost all customers agree that the insulation is self adhesive on one side. It's pretty easy to mount. And, a few strongly agree that insulation is probably your best solution for cutting down your exhaust noise. Moreover, they also found that the insulation can be cut easily with a circular saw, hand saw, or foam knife.

• This is great for cutting road notice, improving speaker sound, and improving heat/cold transfer.
• This is good for sound, not bad for boats.
• This is good for the inside of the car or trunk.
• This is like adding nothing and works well for the interior.

Best For Rzr Heat Shielding: Lingda Exterior Firewall Insulation

Buy on Amazon

The Lingda Exterior Firewall Insulation gives the top-tier insulation a run for their money by offering flagship specs at a much more affordable price. The lingda exterior firewallinsulation is very thick, is safe and it went on easily. Keeps your interior cooler in the summer and warmer in the winter. Moreover, it is lightweight, does for car doors and it is suitable for the car hood.

The insulation sticks well and it is designed for a great price. In addition, it has helped with noise and it is very happy. Above all, the lingda exteriorfirewall insulation is ideal for underfloor applications as it has great load resistance properties.

Almost all buyers opine that the insulation is used to cover a metal door that opens to the street on a basement apartment. And, they strongly agree that the insulation will work to dampen noise and vibration. And, they also found that this sound insulation pad is very helpful in suppressing the sound of cold air intake.

• This is good for top layer and it is made of foam.
• This works well for under car carpeting.
• This works great, is scratch resistant and it makes a huge difference.
• This will not hold up near a high heat source.

Best For Race Cars: Us Energy Products Exterior Firewall Insulation

Buy on Amazon

The US energy products exterior firewall insulation's high-end materials make sure that it ages well with use. The US energy products exterior firewall insulation is ideal for speaker boxes and it is great for vapor barrier. Make sure this fits by entering your model number. In addition, it works well and it is water resistant.

Most importantly, the US energy products exterior firewall insulation cuts easily, controls heat and it is for race cars.

Almost all buyers quickly discovered that the insulation is supplied with foil tape and a razor knife for installation. Moreover, they say that the insulation is very light weight, similar to an inside foldable car windshield sunshade, You could use velcro or magnets to temporarily install it when parked. And, they also found that the middle of the insulation had melted, but the foil outer edges were held together. Overall, buyers found this to be one of the best insulations for daily purposes.

• This does a pretty good job of heat and sound.
• This is heavier than reflectix and should be better for use in the windows.
• This is well constructed and the perfect length for id badges.
• Manufacturer says: consumers have found amazing results from applying our ez.

Best For Rear Hatch: Soomj Exterior Firewall Insulation

Buy on Amazon

Not everyone likes to purchase insulation for their daily purpose, but the Soomj Exterior Firewall Insulation would be an anomoly. The soomj exterior firewall insulation reflects heat, is good for good sound and it is original. Make sure this fits by entering your model number. The fire proofing grade with the mat is b1 and its distortion temperature is 200 ℃ high temperature resistance, easy to cut & fit, and strong adhesive backing.

The insulation is designed to worth every penny, has reduced noise and it is used for engine bays. Also, it is ideal for underfloor applications as it has great load resistance properties. Above all, the soomj exteriorfirewall insulation covered with alumium shield thickness, is for the rear hatch and it works great.

Most customers agree that the insulation is able to reduce but not eliminate the significant heat which pours off the engine. And, they also found that the insulation could be used on a twin - engine jet boat. And, they strongly agree that the sound - deadening material itself is fluffy, almost like cotton wadding. In conclusion, many customers have used the soomj exterior firewallinsulation for more than a few months without any problems, and it shows no sign of giving up.

• This is perfect for strong adhesion and it is very good.
• This has an adhesive on one side & it is not removable once installed.
• This is incredible, is highly recommended and it is lightweight.
• This is kinda crappy and didn’t stick well.

Best For Body Panels: Dreamizer Exterior Firewall Insulation

Buy on Amazon

Next on the list, we've got yet another insulation that manages to win our hearts. It's the Dreamizer Exterior Firewall Insulation and it's widely considered as one of the most convenient insulation you can buy. Further, this is used for engine bays and it is lightweight. Make sure this fits by entering your model number. Above all, the dreamizer exterior firewall insulation is ideal for underfloor applications as it has great load resistance properties.

With no doubts, this insulation passed the test and had very satisfied buyers eager to share their experience.

• Good investment for the long term.
• Lot of satisfied buyers.

Best For Thermal Insulation Properties: Chaogang Exterior Firewall Insulation

Buy on Amazon

The Chaogang Exterior Firewall Insulation's material feels more premium than its price would suggest. The chaogang exterior firewall insulation is suitable for various car models. Chaogang 196 mil (5mm) car sound and heat insulation closed cell foam mat. The car heat shield mat has an adhesive layer and is a multifunctional thermal insulation material with excellent thermal insulation properties.

Lastly, the chaogang exterior firewall insulation can be used in car roofs, hoods, firewalls, chassis, interior and exterior partitions, trunks, wheel arches, body panels, under seats, trunk covers, etc.

Overall, buyers found this to be one of the best insulations for daily purposes.

• This is good for total coverage area, comes with a self-adhesive backing and it is lightweight.
• One of the newcomers and featured product.