Best Sound Deadening Insulation Available Right Now (2022)

Sometimes it might be quite difficult to find the best sound deadening insulation. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this sound deadening insulation buying guide.

Our 10 Recommendations:

Our Favorite Sound Deadening Insulation Reviews:

SaleBestseller No. 1
Siless Liner 157 mil (4 mm) 36 sqft Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener
  • Closed Cell Foam: OIL and Waterproof LINER closed-cell polyethylene foam is the best for car, Siless with an adhesive layer 100% ensures optimum efficiency and thermal insulation that could be possibly gained. The price of 1 sqft of Siless Liner with similar characteristics is more then three times cheaper! Excellent quality for less money!!
  • Heat Blocker and Vibration Deadener: Effectively blocks 98% of radiant heat transfer. Siless Liner is a very versatile insulation material with excellent thermal barrier properties that will block engine, exhaust, & summer heat, ensure your vehicle stays cooler in the summer and warmer in the winter, making your ride more pleasant!
  • Lightweight, Waterproof: It is a waterproof light-weight thermal deadener with highly compressible closed cell foam formulation, it absolutely doesn’t absorb moisture and has no odor, and it’s flexible which make it easy to install with or without roller.
  • The operating temperature of the material is the same as of the rubber foam up to 215 degrees Fahrenheit.
  • SILESS Liner specifications: Self-adhesive foam rolls (closed cell PE foam) with waterproof glue. Thickness 157 mil / 0.157 inches / 4mm. Number of rolls in the package - 1. Total coverage area - 36 ft². Each roll size - 15.74 x 330.7 inches.
SaleBestseller No. 2
KILMAT 50 mil 50 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
  • The cost effective 50 mil (1.3 mm) automotive butyl and foil sound deadening! You are not just buying an excellent quality product but also saving more than 20% comparing to competitors as well!
  • Now everyone can easily eliminate the annoying road noise in the vehicle. We've designed the product that pretty efficiently handles the rattle and reduces noise while being affordable to almost everyone. KILMAT would deaden the entire car for the same money that would be enough to only insulate the doors using the expensive brands material.
  • Automotive self-adhesive insulation consists of butyl. KILMAT sound deadening has a total weight of 0.35 lbs/1sqft (1.75 kg/1 sqm). This weight ensures optimum efficiency and sound insulation that could be possibly gained from 50 mil (1.3 mm) thickness material. KILMAT 50 mil (1.3 mm) is light weighted sound deadening material!
  • Car insulation KILMAT has a special indicator as to if it is installed correctly. The special embossing on the foil must be rolled out with a roller till it is plain smooth, then you'll be 100% sure that the soundproofing is set correctly and professionally! The sound dampening material comes in handy size sheets which make it easier in terms of cutting and installation process!
  • Sound deadening material specifications: Nominal thickness 50 mil (1.3 mm); Total coverage area of 50 sq.feet (4.7 sqm); Number of sheets in the stack 47; Nominal sheet Size 9.8x15.7 inch (250x 400 mm). Roller is not included.
Bestseller No. 3
KILMAT 80 mil 18 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
  • The cost effective 80 mil automotive butyl and foil sound deadening! You are not just buying an excellent quality product but also saving more than 20% comparing to competitors as well!
  • Now the material is 1,5 times thicker that will get you 1,5 times more effective insulation. The thicker the material the more performance you get!
  • Automotive self-adhesive insulation consists of butyl. KILMAT sound deadening has a total weight of 0.5 lbs/1sqft. This weight ensures optimum efficiency and sound insulation that could be possibly gained from 80 mil thickness material. KILMAT 80 mil is light weighted sound deadening material!
  • Audio insulation KILMAT has a special indicator as to if it is installed correctly. The special embossing on the foil must be rolled out with a roller till it is plain smooth, then you'll be 100% sure that the insulation is set correctly and professionally! The sound dampening material comes in handy size sheets which make it easier in terms of cutting and installation process!
  • Sound deadening material specifications: Nominal thickness 80 mil; Total coverage area of 18 sq.feet; Number of sheets in the stack 17; Nominal sheet Size 9,8 x 15,7 inch. Roller is not included.
Bestseller No. 4
uxcell Heat Sound Deadening Insulation Mat Deadener Pad Car Auto Exhaust Muffler Hood Door Waterproof 394mil 6.4sqft 40x24inch
  • Strong sound insulation and absorption performance,heat insulation mat
  • The surface high-fiber cloth is fiberglass. Heatproof.Block transmit sunlight, engine, exhaust pipe heat to the cab, reduce air conditioning energy consumption, saving fuel
  • Slow down the life pipeline and circuit.In the summer, due to the hot weather, heat comes from the front cover of car,shortening the life of pipeline and circuit, accelerate cracking
  • Slow down the car paint ageing.Because of hot weather, the front outer cover through the direct sun, high temperature inside and outside the engine, accelerated paint aging
  • Keeps Heat In-Cold Out in the Winter, Keeps Cold in-Heat Out in the Summer.In the winter, the engine temperature is very high, but outside is very low when driving, which make car parts damaged easier
SaleBestseller No. 5
KILMAT 80 mil 36 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
  • The cost effective 80 mil automotive butyl and foil sound deadening! You are not just buying an excellent quality product but also saving more than 20% comparing to competitors as well!
  • Now the material is 1,5 times thicker that will get you 1,5 times more effective insulation. The thicker the material the more performance you get!
  • Automotive self-adhesive insulation consists of butyl. KILMAT sound deadening has a total weight of 0.5 lbs/1sqft. This weight ensures optimum efficiency and sound insulation that could be possibly gained from 80 mil thickness material. KILMAT 80 mil is light weighted sound deadening material!
  • Audio insulation KILMAT has a special indicator as to if it is installed correctly. The special embossing on the foil must be rolled out with a roller till it is plain smooth, then you'll be 100% sure that the insulation is set correctly and professionally! The sound dampening material comes in handy size sheets which make it easier in terms of cutting and installation process!
  • Sound deadening material specifications: Nominal thickness 80 mil; Total coverage area of 36 sq.feet; Number of sheets in the stack 34; Nominal sheet Size 9.8x15.7 inch. Roller is not included.
Bestseller No. 6
uxcell 394mil 16.36sqft Car Noise Sound Deadener Deadening Insulation Mat Waterproof 60 x 40 Inches
  • Strong sound insulation and absorption performance,heat insulation mat
  • The surface high-fiber cloth is fiberglass. Heatproof.Block transmit sunlight, engine, exhaust pipe heat to the cab, reduce air conditioning energy consumption, saving fuel
  • Slow down the life pipeline and circuit.In the summer, due to the hot weather, heat comes from the front cover of car,shortening the life of pipeline and circuit, accelerate cracking
  • Slow down the car paint ageing.Because of hot weather, the front outer cover through the direct sun, high temperature inside and outside the engine, accelerated paint aging
  • Keeps Heat In-Cold Out in the Winter, Keeps Cold in-Heat Out in the Summer.In the winter, the engine temperature is very high, but outside is very low when driving, which make car parts damaged easier
SaleBestseller No. 7
Abahub 394 mil 16 sqft Car Hood Insulation Pad Auto Sound Deadener Door Dampener Deadening Mat Heat/Cool Liner, Self-Adhesive Closed Cell Material (PE Foam Sound Deadener) 59"x39"
  • 59 x 39 inch rubber foam with a soft foil backing car sound insulation and heat dampener
  • Water Resistant Insulation - Protect your vehicle from rusting
  • 394 Mil Thickness, Better Sound Insulation : Abahub aluminum foil dampening helps reduce engine noise and road noise, quieting the cabin so you can get the most out of your sound system.
  • Enough Size for Hood Insulation - 16 sqft sound dampener is enough for hood insulation, which helps shield your hood's paint job from terrible engine heat, thus preventing the paint's deterioration, and muffle engine sound.
  • What You Get - a lightweight and rolled 16 sqft heat shield insulation, easy to work on your car, truck, rv, or any other vehicle.
Bestseller No. 8
Siless Liner 157 mil 36 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener
  • Closed Cell Foam: OIL and Waterproof AluFoil LINER closed-cell polyethylene foam with aluminum finish is the best for car, Siless with an adhesive layer 100% ensures optimum efficiency and thermal insulation that could be possibly gained. The price of 1 sqft of Siless Liner with similar characteristics is more then three times cheaper! Excellent quality for less money!!
  • Heat Blocker and Sound Deadener: Effectively blocks 98% of radiant heat transfer. Siless Liner is a very versatile insulation material with excellent thermal barrier properties that will block engine, exhaust, & summer heat, ensure your vehicle stays cooler in the summer and warmer in the winter, making your ride more pleasant!
  • Lightweight, Waterproof: It is a waterproof light-weight thermal deadener with highly compressible closed cell foam formulation, it absolutely doesn’t absorb moisture and has no odor, and it’s flexible which make it easy to install with or without roller.
  • The operating temperature of the material is the same as of the rubber foam up to 215 degrees Fahrenheit.
  • SILESS ALUMINUM FOIL Liner specifications: Self-adhesive foam rolls (closed cell PE foam) with waterproof glue. Thickness 157 mil / 0.157 inches / 4mm. Number of rolls in the package - 1. Total coverage area - 36 ft². Each roll size - 15.74 x 330.7 inches.
SaleBestseller No. 9
SOOMJ Heat Shield, Sound Deadening Material, Car Sound deadening mat, Engine Insulation Foam with Aluminum sheet 1100(AA)
  • Heat Shield Car Sound Deadener 100% Brand New, PE with aluminum material, Thickness: 10mm, High quality tri-layer, twin density lightweight foam laminate
  • High noise reduction & thermal insulation properties Non-flammable, flame retardant
  • The fire proofing grade with the mat is B1 and its distortion temperature is 200℃.High temperature resistance Easy to cut & fit, strong adhesive backing
  • Audio Noise Insulation and dampening material Size:About 1000mm*2000mm*10mm(394mil 78" x 39" 21.13sqft) Raw Material:High Quality foam rubber with Aluminum sheet 1100(AA):0.1mm thickness pure aluminum / Smooth Function:Soundproof Stick:Best Self-adhesive Type:Car Deadening Material: Insulating alumina fiber &Sound insulation cotton
  • Applications: Exterior bulkhead, firewall, hood, engine compartment, engine bays. boot, wheel arch, body panels, load floor, under seat, floor, interior bulkhead. Also ideal for under floor applications as it has great load resistance properties.
Bestseller No. 10
HOMCHEK 394mil/10mm Heat & Sound Insulation Mat 16.15 sqft Self-Adhesive Sound Deadener Mat Noise Control Hood Insulation Sound Deadening Dampening Mat for Engine Hood Roof 15 Pieces(15.7" x 9.8")
  • 【Heat Insulation】This heat shield has an adhesive layer.It is a very versatile insulation material with excellent thermal barrier properties. It is the best way to make the car cool and quiet! It’s easy to cut and install!
  • 【Sound Insulation】This sound deadener mat has the same characteristics and excellent noise insulator properties as rubber foam. It absolutely doesn’t absorb water & has no odor unlike polyurethane foam. It has a very low weight, oil and petrol resistant. Good sound insulation provides you with excellent comfort during high-speed driving.
  • 【Fast Shipping】This sound insulation mat ships via USPS from Washington,US.You will get the good item in short day.
  • 【Specifications】Thickness 10 mm,total coverage area of 16.15 sqft.Size:15.7 inch x 9.8 inch.Quantity:15 pieces.
  • 【Fits】You can also use on car roof floors, hood , firewall, chassis, trunk room, trunk lid and so on.. Do not cover the chassis wiring or air holes.

Last update on 2022-11-27 / Affiliate links / Images from Amazon Product Advertising API

How to find the best sound deadening insulation?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best sound deadening insulation for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good sound deadening insulation recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the sound deadening insulation need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for sound deadening insulation to find what you’re looking for:

Brand

In some cases, the brand of sound deadening insulation is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given sound deadening insulation are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about sound deadening insulation are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare sound deadening insulation quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best sound deadening insulation can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.