10 bestSound Deadening Matsof June 2025
112M consumers helped this year.
1

KILMAT 80 mil (2 mm) 36 sqft (3.4 sqm) Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
KILMAT

9.8
2

Siless 80 mil (2mm) 10 sqft (0.95 sqm) Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (10 sqft)
Siless

9.6
3

Siless Sound Deadening Foam 157mil 36 sqft - Sound Deadener Mat - Car Sound Dampening material - Sound dampener - Sound deadening mat sound Insulation - Car Sound deadening Bulk Kit Trunk Hood Door Mats
Siless

9.4
4

Siless Hybrid 3in1 200 mil 25 sqft Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material
Siless

9.1
5

Siless Liner 157 mil (4 mm) 36 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener
Siless

8.8
Other
6

LINGDA 21.53 SqFT 10mm Heat Shield Thermal Sound Insulation Proofing Deadener Mat Car Noise Control Acoustic Dampening Moistureproof Waterproof (40 inch X 80 inch)
LINGDA

8.6
8% off
7

KILMAT 50 mil (1.3 mm) 50 sqft (4.7 sqm) Car Sound Deadening Mat, butyl automotive Sound Deadener, audio Noise Insulation and dampening
KILMAT

8.3
8

Amazon Basics Car Sound Deadener, 14.5″ x 10″, (10 count)Pack of 1
Amazon Basics

8.1
9

Siless 50 mil (1.3mm) 52 sqft (5.0 sqm) Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material ( 52 sqft)
Siless

7.8
10

Siless Max 120 mil (3mm) 30 sqft Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (30 sqft)
Siless

7.5
A Guide to Selecting the Best Sound Deadening Mats
Choosing the right sound-deadening mat can make a big difference in reducing unwanted noise and vibrations in your car, home, or workspace. The main goal is to find a mat that effectively blocks or absorbs sound, fits your installation area, and is easy to work with. To make the best choice, you should understand the key specifications that affect performance and installation, and match them to your specific needs, such as the type of noise you want to reduce and where you plan to install the mat.
Material Type
The material of a sound-deadening mat determines how well it can block or absorb sound. Common materials include butyl rubber, asphalt, and foam. Butyl rubber is popular for its effectiveness and lack of odor, while asphalt is usually cheaper but can smell and may not perform as well in high temperatures. Foam mats are lighter and good for absorbing higher-frequency sounds. When choosing, consider where you’ll use the mat and what kind of noise you want to reduce. For cars, butyl rubber is often preferred for its balance of performance and comfort, while foam might be better for home studios or rooms where echo is a problem.
Thickness
Thickness is a key factor in how much sound a mat can block or absorb. Thicker mats generally provide better sound insulation, but they can also be heavier and harder to fit in tight spaces. Mats usually range from about 1/16 inch to 1/2 inch thick. Thin mats are easier to install in areas with limited space, like under car carpets or door panels, while thicker mats are better for floors or walls where maximum noise reduction is needed. Think about where you’ll install the mat and how much space you have available to decide on the right thickness.
Adhesive Quality
The adhesive on a sound-deadening mat is what keeps it securely in place. A strong, heat-resistant adhesive is important, especially in cars or areas that get hot. Some mats have peel-and-stick backing, making installation easier, while others may require additional glue. If you’re installing in a car or a place with temperature changes, look for mats with high-quality adhesive to prevent peeling or slipping over time. For home use, ease of installation might be more important, so a good peel-and-stick option could be ideal.
Coverage Area
Coverage area tells you how much space a package of mats will cover, usually measured in square feet. This helps you estimate how much material you need for your project. Mats are sold in sheets or rolls, and the total area covered can vary widely. Before buying, measure the area you want to cover and compare it to the coverage listed for each product. This ensures you buy enough material without overspending or running short during installation.
Temperature Resistance
Temperature resistance refers to how well the mat holds up under heat or cold. This is especially important for car installations, where mats may be exposed to high temperatures from the sun or engine. Mats with good temperature resistance won’t melt, deform, or lose their adhesive properties. If you’re using the mat in a car or attic, check the temperature range it can handle. For indoor use in climate-controlled spaces, this may be less critical.
Weight
The weight of a sound-deadening mat affects both its performance and ease of installation. Heavier mats usually block more sound, but they can add significant weight to your car or structure, which might not be desirable. Lighter mats are easier to handle and install, especially on vertical surfaces or ceilings. Consider how much added weight is acceptable for your project and whether you need the extra sound-blocking power of a heavier mat.

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