Car Sound Deadening Material Mat - 197 mil 8.7 sqft Auto Audio Deadener Foam, Sound Dampening and Heat Insulation for Truck, Vehicle
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Availability:
In Stock.
Arrives
Saturday, Aug 15
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Style: 197mil/8 pcs(8.7sqft)
Features
- Choose the Coverage That Fits Your Project: Includes 8pcs/8.7 sqft total coverage area (each 9.8" 15.7", 197mil / 5mm thickness)easy to plan coverage and start small upgrades. Need a different thickness or coverage area? Choose from 4mm / 5mm / 10mm thickness, with coverage options of 1 roll/19 sq ft, 2 roll/38 sq ft, 12pcs/13.1 sq ft, 15pcs/16.3 sq ft, or 34pcs/37.1 sqftpick the right sound deadening mat for your build.
- Quieter Drive, Less Rattle & Vibration:Dense closed-cell foam supports sound deadening by reducing road noise, panel vibration, and interior rattles for a more comfortable ride. Noise levels can drop from ~52 dB to ~29 dB (about 50% lower). It also helps with sound dampening by absorbing both high- and low-frequency noise to keep your cabin quieter.
- Heat-Reflective Foil Helps Reduce Heat Soak:Foil facing helps reflect radiant heat from the engine/exhaust and summer sun, supporting car insulation and improving comfort. The aluminum layer can reflect up to 95% radiant heat (lab), helping reduce heat transfer when applied to areas like hood/firewall/roof.
- 4-Layer Build for Reliable, All-Weather Use:A foil + foam + PSA adhesive + release liner construction built for real car use. The waterproof foil surface wipes clean easily and resists everyday wear. Working temperature range: -40F to 300F. A dependable sound deadening material for cars built for both hot and cold conditions
- Peel & Stick Install Easy to Cut & Apply:Strong PSA self-adhesive backing helps it stay put once pressed firmly in place. Easy to measure, trim, and fit around curves and corners with scissors or a utility knife. Apply this sound deadener to doors, floor, trunk, wheel wells, roof, hood, firewall, cargo area and more. The waterproof adhesive helps provide a lasting hold.
Description
Sound Deadening Mat 8PCS Butyl Sound Deadening Sound Deadening Mat 34PCS Sound Deadening Mat 15PCS Sound Deadening Mat 15PCS Sound Deadening Mat 12PCS
Brand: KOIKEY
Item Thickness: 0.2 Inches
Recommended Uses For Product: sound insulation, vibration dampening, heat insulation for vehicles
Product Dimensions: 15.7"L x 9.8"W
Manufacturer: KOIKEY
Brand Name: KOIKEY
Manufacturer: KOIKEY
UPC: 703729826523 703729826530
Unit Count: 8.0 Count
Model Number: sound deadening
Manufacturer Part Number: CIP5M8P
Item Thickness: 0.2 Inches
Item Dimensions L x W: 15.7"L x 9.8"W
Coverage: 8.7 square foot
Recommended Uses For Product: sound insulation, vibration dampening, heat insulation for vehicles
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Aug 15
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 197mil/8 pcs(8.7sqft)
Nice, cost effective material. It stuck nicely to the door and was fairly easy to use. The grid marks on the back made it easy to cut. I would not rank it up with other materials in sound and heat isolation, but it did cut down the overall vibrations on the door panels and I did not feel heat immediately from the floor area as i did with bare metal. If you are working with a budget and want modest improvement, this material will work well over most stock materials.
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Reviewed in the United States on June 7, 2026 by Jak
Style: 197mil/8 pcs(8.7sqft)
I bought this on a whim to go with some Kilmat sound deadener. It is not thick, but definitely made the truck even quieter. The Kilmat takes out the vibrations and resonating noise, the foam takes out the echo you might say.
Reviewed in the United States on July 6, 2026 by M. C.
Style: 197mil/8 pcs(8.7sqft)
Used this in a speaker box build and it definetly worked well, significant difference in vibration. Very much worth the money. Only downside I could see is with how sticky the material is, the foam likes to stay stuck to whatever it touches which in reality is a good thing. Tried cutting with a utility knife but maybe there’s a better tool that would have made it easier to cut
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Reviewed in the United States on July 30, 2025 by Ty
Style: 197mil/8 pcs(8.7sqft)
For $14 for 8.7 square feet, this was more than enough to cover the important parts of the trunk of my 944. You DON'T need a roller to apply this, just strong hands and a well prepped surface. I vacuumed, lightly washed, then used 90% alcohol to clean the surface before applying. I could have used more and covered every inch, but there is diminishing returns in doing so (especially on a budget, or with a lower wattage sound system in my opinion). If this stuck as well as it did for me in a 45° garage, then it should stick just fine for you too. I will say, it is a little cheap feeling, but for the price I can't complain. There is an audible difference when knocking on the panels this material is applied to. I'm not a professional though, and if you're an audiophile, there are better options (but prepare to empty your wallet). Not sure I would do an entire vehicle with this material, but it is a great supplement.
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Reviewed in the United States on March 15, 2026 by Carter Davis
Style: 197mil/8 pcs(8.7sqft)
Not exactly sound deadening but rather foam, good cutting. Not sure about heat isolation.
Reviewed in the United States on May 3, 2026 by James
Style: 197mil/8 pcs(8.7sqft)
Works like it should. Easy to cut and install
Reviewed in the United States on June 30, 2026 by keith
Style: 197mil/8 pcs(8.7sqft)
Excellent product. Strong adhesive and foam cover with silver aluminum barrier. Easy to handle and install. Cuts with razor type cutter without problems. Has inch measurements on paper side to help with fitting. Good value for cost.
Reviewed in the United States on May 27, 2026 by Michelle Sayre
Style: 197mil/8 pcs(8.7sqft)
Performed as promised
Reviewed in the United States on May 10, 2026 by Amazon Customer