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10 Best Sound Deadening For Cars 2025 in the United States
#1
Winner
KILMAT 80 mil 36 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
The KILMAT 80 mil Car Sound Deadening Mat is a solid choice for those looking to reduce noise in their vehicles. At 80 mil thick, this product offers significant insulation capabilities, making it effective for sound dampening. Its butyl and foil composition ensures a strong adhesive grip, allowing for easy DIY installation. The user-friendly design includes sheets that are manageable in size, simplifying the cutting and application process. A unique feature is the installation indicator on the foil, which helps you know if the material is applied correctly, ensuring optimal performance.
Rating
10.0
Chosen by1,318
Thickness
Ease of Installation
Most important from
15472 reviews
#2
Amazon Basics Car Sound Deadening Mat, 9.8″ x 15.7″, 34-Piece
The Amazon Basics Car Sound Deadening Mat is designed to reduce road noise and vibrations inside your vehicle, making drives quieter and more comfortable. Made from a butyl rubber-based material, it effectively dampens sound while the reflective aluminum foil layer helps with heat insulation, adding a layer of thermal protection. Each mat piece measures about 9.8 by 15.7 inches, and the full set includes 34 pieces, covering roughly 36 square feet. This amount is suitable for treating key areas like the cabin floor or trunk.
Rating
8.8
Material Type
Thickness
Ease of Installation
Most important from
4292 reviews
#3
80 mil 10 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
The KILMAT 80 mil Car Sound Deadening Mat is a strong choice if you're looking to reduce noise inside your vehicle. Its key strength lies in the thickness—at 80 mil, it’s thicker than many competitors, which means better sound and vibration insulation. The material is made of butyl rubber combined with a foil layer, offering good durability and some heat resistance, which is important for automotive use. The mat covers 10 square feet per package and weighs about 0.5 pounds per square foot, making it relatively lightweight yet effective.
Rating
7.9
Material Type
Coverage Area
Ease of Installation
Most important from
15472 reviews
Top 10 Best Sound Deadening For Cars 2025 in the United States
#1
Winner
KILMAT 80 mil 36 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
KILMAT 80 mil 36 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
Material Type: Aluminum
Thickness: 80 Mils
Coverage Area: 36 sq ft
Ease of Installation: easy DIY
Heat Resistance: not for extreme heat
Weight: 0.5 lbs/sq ft
Chosen by 1318 this week
Amazon Basics Car Sound Deadening Mat, 9.8″ x 15.7″, 34-Piece
Amazon Basics Car Sound Deadening Mat, 9.8″ x 15.7″, 34-Piece
Material Type: butyl rubber-based material
Thickness: 0.1 inches
Coverage Area: 36 square feet
Ease of Installation: strong self-adhesive, flexible material
Heat Resistance: reflective aluminum foil for insulation
Weight: 25.4 pounds
80 mil 10 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
80 mil 10 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
Material Type: butyl rubber with foil layer
Thickness: 80 Mils
Coverage Area: 10 sqft
Ease of Installation: very sticky self-adhesive backing
Heat Resistance: some heat resistance
Weight: 5.06 pounds
Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat - PE Foam Sound Deadener Material & Heat Barrier
Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat - PE Foam Sound Deadener Material & Heat Barrier
Material Type: Closed Cell Foam
Thickness: 4 Millimeters
Coverage Area: 36 square foot
Ease of Installation: self-adhesive
Heat Resistance: 215 degrees Fahrenheit
Weight: 2.6 pounds
FatMat Self-Adhesive No Logo FatMat Sound Deadener Bulk Pack with Install Kit - 100 Sq Ft x 50 mil Thick
FatMat Self-Adhesive No Logo FatMat Sound Deadener Bulk Pack with Install Kit - 100 Sq Ft x 50 mil Thick
Material Type: Aluminum
Thickness: 0.05 Inches
Coverage Area: 100 sq ft
Ease of Installation: Easy peel-off paper
Weight: 29.8 pounds
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Up to 6% off
Siless Hybrid 3in1 200 mil 25 sqft Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material
Siless Hybrid 3in1 200 mil 25 sqft Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material
Material Type: Butyl rubber, foam, mass-loaded membrane
Thickness: 0.2 inches
Coverage Area: 25 sqft
Ease of Installation: Peel-and-stick design
Heat Resistance: Resists vehicle exhaust heat
Weight: 17.87 pounds
Amazon Basics Car Sound Deadening Mat, 14.5" x 10", Pack of 10
Amazon Basics Car Sound Deadening Mat, 14.5" x 10", Pack of 10
Material Type: Rubber
Thickness: 0.1 inches
Coverage Area: 10 square feet
Ease of Installation: Self-adhesive, user-friendly instructions
Heat Resistance: Reflective aluminum foil
Weight: 10.9 ounces
Sound Deading Material for Cars, 80mil (2mm) 36 sqft (3.4 sqm) Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Noise Insulation and Vibration Dampening Material (33 pcs)
Sound Deading Material for Cars, 80mil (2mm) 36 sqft (3.4 sqm) Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Noise Insulation and Vibration Dampening Material (33 pcs)
Material Type: butyl rubber, reinforced aluminum foil
Thickness: 80 Mils
Coverage Area: 36 sq feet
Ease of Installation: peel-and-stick backing
Heat Resistance: reflects heat
Weight: 18.6 pounds
VOISEN Sound Deading Material for Cars, 157 MIL (4 mm) 36 sqft Sound Deadening Mat,Sound Deadening,Car Sound Deadening Closed Cell Foam,PE Foam Sound Deadener Material & Heat Barrier
VOISEN Sound Deading Material for Cars, 157 MIL (4 mm) 36 sqft Sound Deadening Mat,Sound Deadening,Car Sound Deadening Closed Cell Foam,PE Foam Sound Deadener Material & Heat Barrier
Material Type: Polyethylene (PE)
Thickness: 4 Millimeters
Coverage Area: 36 sqft
Ease of Installation: flexible to cut and shape
Heat Resistance: blocks 98% of radiant heat
Weight: 2.97 pounds
#10
Second Skin Luxury Liner Pro - 2 in 1 Sound Insulation for Cars - Mass Loaded Vinyl and Closed Cell Foam - MLV Noise Barrier Made in USA (4 Sheets)
Second Skin Luxury Liner Pro - 2 in 1 Sound Insulation for Cars - Mass Loaded Vinyl and Closed Cell Foam - MLV Noise Barrier Made in USA (4 Sheets)
Material Type: Vinyl
Thickness: 0.38 Inches
Coverage Area: 36 square feet
Ease of Installation: requires careful placement, strong adhesives
Heat Resistance: foam side improves heat insulation
Weight: 9 pounds
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Buying Guide for the Best Sound Deadening For Cars
Choosing the right sound deadening material for your car can significantly improve your driving experience by reducing road noise, vibrations, and enhancing the overall sound quality of your car's audio system. To make an informed decision, it's important to understand the key specifications and how they relate to your specific needs. Here are the main factors to consider when selecting sound deadening materials for your car.Material TypeSound deadening materials come in various types, including butyl rubber, foam, and asphalt-based products. Butyl rubber is highly effective and durable, making it a popular choice for many car enthusiasts. Foam materials are lightweight and can be used in areas where flexibility is needed. Asphalt-based products are generally cheaper but can emit odors in high temperatures. Your choice should depend on the area of application and your preference for durability and effectiveness.
ThicknessThe thickness of the sound deadening material is crucial as it directly impacts its ability to reduce noise and vibrations. Thicker materials generally provide better sound insulation. Common thicknesses range from 50 mils to 150 mils. For high-noise areas like the floor and doors, thicker materials (100-150 mils) are recommended. For less critical areas, thinner materials (50-80 mils) may suffice. Consider the level of noise you experience and the specific areas you want to treat when choosing the thickness.
Coverage AreaThe coverage area refers to the amount of material you need to cover the desired sections of your car. Sound deadening materials are usually sold in sheets or rolls, and the total coverage area is measured in square feet. To determine how much you need, measure the areas you plan to treat, such as the floor, doors, roof, and trunk. Ensure you purchase enough material to cover these areas adequately, keeping in mind that some overlap may be necessary for optimal performance.
Ease of InstallationEase of installation is an important factor, especially if you plan to install the sound deadening material yourself. Some materials come with adhesive backing, making them easier to apply, while others may require additional adhesive or tools. Look for products with clear instructions and consider your own DIY skills. If you're not confident in your ability to install the material, you might want to choose a product known for its user-friendly application or consider professional installation.
Heat ResistanceHeat resistance is a critical specification, especially for areas exposed to high temperatures, such as the floor near the engine or the roof. Materials with high heat resistance will not degrade or emit odors when exposed to heat. Butyl rubber and some high-quality foam materials offer good heat resistance. If you live in a hot climate or plan to apply the material in high-temperature areas, prioritize products with high heat resistance to ensure longevity and performance.
WeightThe weight of the sound deadening material can affect your car's performance and fuel efficiency. Heavier materials generally provide better sound insulation but can add significant weight to your vehicle. Lighter materials are easier to handle and install but may not offer the same level of noise reduction. Consider the balance between sound insulation and added weight. If you are concerned about performance, opt for lighter materials that still offer good sound deadening properties.