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10 Best Automotive Sound Deadening Material Reviews:
Bestseller No. 1 
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. 2 
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. 3 
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. 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.
SaleBestseller No. 5 
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. 6 
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.
SaleBestseller No. 7 
Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat - PE Foam Sound Deadener Material & Heat Barrier
- 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. 8 
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. 9 
Car Sound Deadening Material Mat - 197 mil 8.7 sqft Auto Audio Deadener Foam, Sound Dampening and Heat Insulation for Truck, Vehicle
- ★Insonorizzante mats (closed cell PE foam) with waterproof glue. Thickness 197 mil / 5mm. Pack of 8(single piece 1.09 sqft). Total coverage area - 8.72 ft², working Temperature Range: -40°F ~ 300°F
- ★Sound deadening mat is an insulating material with a highly compressible closed-cell foam formula. Effectively blocks 98% of radiant heat transfer, will block engine, exhaust and summer heat, ensure your vehicle stays cooler, reduce the energy consumption of car air conditioners, so as to achieve the goal of fuel saving
- ★Sound deadener pad has excellent sound insulation and vibration absorption performance, reduces external noise, creates a comfortable driving environment, suppresses engine vibration, reduces internal vibration, and extends the life of parts
- ★Sound dampener liner has waterproof Aluminum surface, it absolutely moistureproof and has no odor, isolate most liquids on the surface and wipe dry easily, scratch resistant
- ★Sound dampening mat 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. Easy to cut and install, self-adhesive backing waterproof and dustproof and have strong adhesion
SaleBestseller No. 10 
197mil (5mm) Sound Deadener for Cars - 36sqft Sound Deadening Mat with Aluminum Foil, Automotive Hood Heat Insulation Shield Noise Dampening Materials
- 【Good Soundproofing Effect】Our aluminum foil sound insulation foam absorbs sound through small holes to provide a sound dampening effect. When the whole car is covered with sound insulation mats, it can reduce the noise and vibration caused by the engine, air resistance, road friction and so on. It can improve the comfort of driving, reduce the vibration in the car, enhance the strength of the body and slow down the aging of the weak sheet metal parts such as the hood of the body.
- 【Good Heat Insulation Performance】Our car heat shield mat are made of high quality closed-cell PE foam. It can withstand 150 degree Celsius/302 degree Fahrenheit and has excellent heat insulation and flame retardant properties. It can block the heat and sunlight generated by the engine, keep your vehicle cool in summer, reduce the energy consumption of air conditioning, and extend the life of your car's circuitry and paint. It can also help keep your car warm in winter.
- 【Widely Applicable】This automotive sound deadener mat can be used for various car models. The mat has the advantages of waterproof, lightweight, soft, non-absorbent, odorless, suitable for laying in any position inside the car. For example: hood, roof, back box, car floor, car door, truck compartment, etc.
- 【Easy To Use】It is very easy to use, this insulating car sound insulation material is self-adhesive, you just need to peel off the back of the kraft paper to stick it on any part of the car that needs noise reduction. You can freely cut the material into the desired shape according to the different parts of the car. Tip: For better adhesion, it is best to wipe clean the position that needs to be pasted first!
- 【Cost-effective Quantity】Our sound deadening insulation mat set contains 28 pieces of 16*12 inches car sound insulation mats with a thickness of 5mm/197mil . All the mats can cover a total of 36 square feet, and you can freely cut and fit these sound insulation mats together. Our products are shipped in sturdy cardboard boxes to avoid possible damage in transit and to avoid creases caused by oversizing.
Last update on 2023-04-01 / Affiliate links / Images from Amazon Product Advertising API