Our Top 15 Picks:
Our Favorite Automotive Sound Deadening Reviews:
SaleBestseller No. 1 
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.
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 
CANOPUS Car Sound Deadening Mat, 80 mil 5 sqft, Pack of 5 Sheets, Butyl Sound Deadener Mat, Audio Car Sound Dampening Material for Car Trunk, Door, Floor and Ceiling, Silver
- GREAT THICKNESS FOR MAXIMAL EFFECTIVENESS: The thickness of the material is providing an extra 50% insulation performance. This thick and long-lasting butyl material will outlast most similar products in the market.
- MOST EFFICIENT MATERIAL: The automotive self-adhesive butyl mat will stop ambient sounds and noises. The average weight is 0.7 lbs/ft2. This has been shown to deliver optimal efficiency and maximal performance among all similar material with a thickness of 80 mil.
- EASY INSTALLATION: The sound dampening material is served in a pack of 5 sheets. This will make your life much easier when cutting and installing the sheets on the panels to be insulated. You will notice the difference provided that the sound-proofing sheets are installed as expected.
- NO-MESS INSTALLATION: The CANOPUS noise/sound deadening sheets will be assured to be installed correctly provided that the surface of the application is cleaned out and the area of contact is rolled over with an appropriate roller.
- SATISFACTION GUARANTEE: Canopus is a company located in Long Beach, California. We guarantee your complete satisfaction, 100% money-back if you are not satisfied with the product.
Bestseller No. 4 
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. 5 
Siless Liner 157 mil (4 mm) 51 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening
- SILESS Liner specifications: Self-adhesive foam sheets (closed cell PE foam) with waterproof glue. Thickness 157 mil / 0.157 inches / 4mm. Number of sheets in the package - 39. Sheet size 15.15x12.44 inches. Total coverage area - 51 ft²
Bestseller No. 6 
Amazon Basics Car Sound Deadener, 14.5″ x 10″, (10 count)Pack of 1
- Car sound deadener (10-piece) for creating a quieter and more comfortable in-car experience
- Sound-proofing material (made of butyl rubber compound based substrate) helps reduce annoying vibrations and noises from the vehicle and road
- Strong self-adhesive backing for secure placement; reflective aluminum foil on the front for better thermal insulation
- Pliable material; easy to cut and install in a vehicle interior, cabin floor, or trunk; installation kit includes instructions
- Each piece measures 14.5 by 10 inches; 10-square-foot total coverage area; backed by an Amazon Basics 1-year limited warranty
Bestseller No. 7 
CHAOGANG 200mil 36.16 Sqft Car Sound Deadener Deadening Mat Noise and Heat Shield Insulation Closed Cell PE Foam Vibration Dampening Material for Car Hood Trim Roof Door and Trunk
- 【Specification】Thickness: 200mil/5mm |Size: 16.5 inch × 315 inch(42 × 800cm) | Total Covering Area: 36.16 Sqft.| Material: Closed Cell PE Foam | Resistance Temperature Range: -40°C ~ +149°C
- 【Sound insulation shock absorption】The car sound deadening mat has the same characteristics as rubber foam and excellent sound insulation performance, reduces the noise outside the car to create a comfortable driving environment, it plays a role in suppressing the vibration caused by the engine, reducing the vibration in the car and extending the life of the parts in the car,and it is light and non-absorbent, resistant to oil and gasoline.
- 【Heat insulation】This car heat shield mat is made of high quality closed cell PE foam. It is a kind of heat insulating material with a wide range of uses, which can block the heat from the sun and the engine from being transferred into the car, so that the car can maintain a comfortable temperature.
- 【Roll delivery】Easy to cut and install, suitable for various car models. Self-adhesive backing waterproof and dustproof and have strong adhesion.packed by roll，effectively avoid creases.
- 【Wide range of applications】It can be applied to external partitions, firewalls, hoods, engine compartments, engine compartments, trunks, wheel arches, body panels, load floors, and internal partitions under the seat floor. It has excellent load resistance, so it is the best choice for flooring.
Bestseller No. 8 
GOSCHE 394 mil 12.92 sqft Sound Deadener for Car, 10mm Thick Sound Deadening Mat Materials Can be Better with Audio Noise Insulation and Vibration Dampening 9.8″x 15.7″(12-Piece)
- Now everyone can easily eliminate the annoying road noise in the vehicle. We've designed car sound deadening material that pretty efficiently handles the rattle and reduces noise Affordable while being affordable to almost everyone
- Strong sound insulation and absorption performance. 100% New heat shield Car Sound Deadener, PE with aluminum material, Thickness: 10 mm. for creating a quieter and more comfortable in-car experience
- Sound deadening material specifications: Total coverage area of 12.92 sqft; Number of sheets in the stack 12; Nominal sheet Size 15,7x9.8 inch: Nominal thickness 394 mil, now the material is 2 times thicker that will get you 2 times more effective insulation. The thicker the material the more performance you get
- It is a waterproof light-weight thermal deadener with highly compressible closed cell foam formulation, 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
- Widely apply in car roof, firewall, hood, engine compartment,chassis, exterior or interior bulkhead, wheel arch, body panels, under the seat, trunk lid and so on
SaleBestseller No. 9 
Siless 80 mil (2mm) 36 sqft Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (36 sqft)
- ★ Siless VIBRO 80 mil is ultimate quality sound deadening insulation. Designed for the automotive industry as an industrial sound damping material for applications that need extreme performance, it is well suited to the demanding car enthusiast as well.
- ★ Advanced Formulation - SILESS VIBRO Damping Material consists of newly invented Bmastic, technologically most advanced and efficient sound deadening composition on the market today.
- ★ Value - SILESS VIBRO Damping Material is just priced to be cost effective, when compared to similar products on the market. Car soundproofing does not have to be expensive to work!!
- ★ Ease of Installation — SILESS VIBRO Damping Material is easy to install with a “peel and place” application. Simply trim the pieces to fit, peel and place and hand roll to ensure good adhesion. No messy spray-on paints or adhesives are needed to install this product.
- ★ SILESS VIBRO specs — Thickness 80 mil/ 0.08 inches/ 2mm, Coverage area – 36 ft², Number of Boxes – 1, Number of sheets in box - 14, Each sheet size - 23.6 x 15.94 inches. The installation instructions are included in the package, but a roller isn't.
Bestseller No. 10 
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. 11 
Noico 80 mil 10 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. Noico 80 mil is 1,5 times better in comparison to sound deadening material of 50 mil. The thicker the material the more performance you get!
- Automotive self-adhesive insulation consists of butyl. Noico sound deadening has a total weight of 0.7 lbs/1sqft. This weight ensures maximum efficiency and sound insulation that could be possibly gained from 80 mil thickness material. Noico 80 mil is full weighted sound deadening material!
- Audio insulation Noico 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 10 sq.feet; Number of sheets in the stack 10 (sheets are folded); Nominal sheet Size 14,5x10 inch. Roller is not included.
Bestseller No. 12 
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.
Bestseller No. 13 
200mil 36.16 Sqft Car Heat Shield Insulation Mat Automotive Sound Deadener Deadening Mat Aluminum Foil Finsh PE Foam Dampening Material with Self Adhesive with Roller & 4 pcs Car Trim Removal Tools
- This car heat shield insulation mat is made of high density closed cell foam. It is a kind of heat-insulating material with a wide range of uses, which can block the heat from the sun and the engine from being transferred into the car, so that the car can maintain a comfortable temperature.
- The car sound deadening mat plays a role in suppressing the vibration caused by the engine, reducing the vibration in the car and extending the life of the parts in the car.As the same time,sound deadening mat has excellent sound insulation performance, reduces the noise outside the car to create a comfortable driving environment.
- Easy to cut and install, suitable for various car models.This sound insulation and heat insulation pad is light and non-absorbent, resistant to oil and high temperature, and has a strong adhesive to stick firmly.
- Widely used in car roofs, hoods, firewalls, chassis, interior and exterior partitions, trunks, wheel arches, body panels, under seats, trunk covers, etc.
- Size:16.5 inches × 315 inches（42 × 800cm）| Total coverage: 36.16 sqft | Thickness: 200 mil(5mm) | Quantity: 1 | Includes: sound insulation mat*1,sound deadener roller*2,car trim removal tools*4.
Bestseller No. 14 
Siless Black 50 mil 52 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening
- ★ Siless VIBRO 50 mil is ultimate quality sound deadening insulation. Designed for the automotive industry as an industrial sound damping material for applications that need extreme performance, it is well suited to the demanding car enthusiast as well.
- ★ Advanced Formulation - SILESS VIBRO Damping Material consists of newly invented Bmastic, technologically most advanced and efficient sound deadening composition on the market today.
- ★ Value - SILESS VIBRO Damping Material is just under $1.16 per sqft, priced to be cost effective, when compared to similar products on the market. Car soundproofing does not have to be expensive to work!!
- ★ Ease of Installation — SILESS VIBRO Damping Material is easy to install with a “peel and place” application. Simply trim the pieces to fit, peel and place and hand roll to ensure good adhesion. No messy spray-on paints or adhesives are needed to install this product.
- ★ SILESS VIBRO specifications — Thickness 50 mil, Coverage area 52 sqft, Number of sheets in the box 20, Each sheet size 23.6x15.94 inch. Installation instruction is included in the box. Please note: Siless Branded logo on the front is optional, some batches could have it and some not.
Bestseller No. 15 
KILMAT Extra 100 mil 25 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
- The cost effective 100 mil automotive butyl and foil sound deadening! It is an innovative and the thickest vibration damping material by KILMAT.
- Now the material is 2 times thicker than basic materials that will give you 2 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 0.68 lbs./1 sqft (3.2 kg/1 sqm). This weight ensures maximum efficiency and sound insulation that could be possibly gained from 100 mil (2.5 mm) thickness material. KILMAT 100 mil (2.5 mm) is a light weighted automotive 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 makes it easier in terms of cutting and installation process!
- Sound deadening material specifications: Nominal thickness 100 mil (2.5 mm); Total coverage area of 25 sqft (2.4 m2); Number of sheets in the stack 24; Nominal sheet Size 15.9 x 10.3 inch (250x400 mm). Roller is not included.
Last update on 2023-02-06 / Affiliate links / Images from Amazon Product Advertising API