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expiredtDames | Staff posted Yesterday 03:49 PM
expiredtDames | Staff posted Yesterday 03:49 PM

9-Pc Amazon Basics 18″ x 32″ Car Sound Deadening Mat

$30

$47

36% off
Amazon
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Deal Details
Amazon has 9-Piece Amazon Basics 18″ x 32″ Car Sound Deadening Mat for $30.44. Shipping is free with Prime or orders $35+.

Thanks to Deal Hunter tDames for finding this deal.

About this Item:
  • Car sound deadener (9-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 0.1-inch-thick piece measures 18 by 32 inches (LxW); 36-square-foot total coverage area

Editor's Notes

Written by Corwin | Staff
  • About this Deal:
    • Priced at roughly ~$3.38 each with this deal.
    • While supplies / offer lasts.
    • This is $6.08 less than this Popular Deal in August 2023.
    • Please see the original post for additional details and give the WIKI and forum comments a read for helpful discussion.
  • About this Product:
    • This has a 4.7 out of 5 star overall rating on Amazon based on over 5,100 reviews.
  • About this Store:

Original Post

Written by tDames | Staff
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Amazon has 9-Piece Amazon Basics 18″ x 32″ Car Sound Deadening Mat for $30.44. Shipping is free with Prime or orders $35+.

Thanks to Deal Hunter tDames for finding this deal.

About this Item:
  • Car sound deadener (9-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 0.1-inch-thick piece measures 18 by 32 inches (LxW); 36-square-foot total coverage area

Editor's Notes

Written by Corwin | Staff
  • About this Deal:
    • Priced at roughly ~$3.38 each with this deal.
    • While supplies / offer lasts.
    • This is $6.08 less than this Popular Deal in August 2023.
    • Please see the original post for additional details and give the WIKI and forum comments a read for helpful discussion.
  • About this Product:
    • This has a 4.7 out of 5 star overall rating on Amazon based on over 5,100 reviews.
  • About this Store:

Original Post

Written by tDames | Staff

Community Voting

Deal Score
+26
Good Deal
Visit Amazon

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Model: Amazon Basics Car Sound Deadener, 18″ x 32″ (9-Piece)

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Masejoer
2959 Posts
616 Reputation
I find it so strange that Amazon resells this stuff with their Basic branding on it.

Note that car sound deadening really has three steps. This one is to remove resonance and decrease rattles, by adding a small amount of mass to the panels. More mass the better. Mass-loaded vinyl sheeting (MLV) is cheaper per pound, so people typically use that as a more effective sound barrier, and it's sold by weight of pound per square foot. To prevent vibration/energy from moving from between the body panel to the MLV, causing the MLV to vibrate, a foam (typically closed cell so that moisture doesn't get trapped in the foam and breed bacteria/mold) is used between the outer panel and MLV as a "decoupling" layer.

In short though, mass is what absorbs acoustic energy. The more mass you have, the less acoustic energy you'll hear through that panel of the vehicle. Truly fffective sound dampening will add some 500lb of material to the vehicle. 100lb on the floors and lower walls can help take the energy out of the higher frequencies, but the noise SPL levels won't change much in the frequencies where road noise is typically heard. I did this for the last time on an aluminum chassis car, and was let down with only 100lb of material, using a measurement mic to capture the before/after on the same day, ambient temperature and tire pressure, road/surface. It dropped 1KHz and up, but the SPL level was about the same - just at a lower frequency.

20 years ago I added only a ton of 60mil butyl mat to the outer and inner door skins of a car though - 2 layers on outer, 2.5 layers on the inner, full coverage. I put closed cell foam around the rear of the door speakers. The doors closed with a good thud, and the 7-inch mid-range drivers I had in the doors were greatly improved, but it would have been better to better to build some speaker pods instead. That butyl mat was impossible to remove, and made fastener removal much harder when I was in there later to service (R&R) the window tracks. The road noise itself wasn't noticeably different with a layer of that on the doors, and the floor, and firewall up about a foot. That car did have thick carpet and padding though, and plenty of factory pieces slapped onto the middle of large panels to cut down on resonance already.

In summary though, don't expect a noticeable change without covering the entire vehicle with multiple layers of this stuff. At most, I'd expect it to help rattles - not plastic on plastic vibration/creaks, but actual rattles. An actual sound deadener job will be well over $1k in materials, and need care around every connection point/fastener and bend to make sure that interior panels go back on properly.

11 Comments

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Today 03:08 AM
107 Posts
Joined Nov 2015
samGD3Today 03:08 AM
107 Posts
Wrong link?
Today 07:02 AM
818 Posts
Joined Oct 2014
turboc20Today 07:02 AM
818 Posts
This option is OOS that's why you don't see the deal price.
Today 07:03 AM
212 Posts
Joined Jan 2011
jdw715Today 07:03 AM
212 Posts
Dead; not OOS.
Today 07:06 AM
15 Posts
Joined Sep 2021
SplendidCreature371Today 07:06 AM
15 Posts
feedback?
Today 07:26 AM
2,959 Posts
Joined Jul 2010
MasejoerToday 07:26 AM
2,959 Posts

Our community has rated this post as helpful. If you agree, why not thank Masejoer

I find it so strange that Amazon resells this stuff with their Basic branding on it.

Note that car sound deadening really has three steps. This one is to remove resonance and decrease rattles, by adding a small amount of mass to the panels. More mass the better. Mass-loaded vinyl sheeting (MLV) is cheaper per pound, so people typically use that as a more effective sound barrier, and it's sold by weight of pound per square foot. To prevent vibration/energy from moving from between the body panel to the MLV, causing the MLV to vibrate, a foam (typically closed cell so that moisture doesn't get trapped in the foam and breed bacteria/mold) is used between the outer panel and MLV as a "decoupling" layer.

In short though, mass is what absorbs acoustic energy. The more mass you have, the less acoustic energy you'll hear through that panel of the vehicle. Truly fffective sound dampening will add some 500lb of material to the vehicle. 100lb on the floors and lower walls can help take the energy out of the higher frequencies, but the noise SPL levels won't change much in the frequencies where road noise is typically heard. I did this for the last time on an aluminum chassis car, and was let down with only 100lb of material, using a measurement mic to capture the before/after on the same day, ambient temperature and tire pressure, road/surface. It dropped 1KHz and up, but the SPL level was about the same - just at a lower frequency.

20 years ago I added only a ton of 60mil butyl mat to the outer and inner door skins of a car though - 2 layers on outer, 2.5 layers on the inner, full coverage. I put closed cell foam around the rear of the door speakers. The doors closed with a good thud, and the 7-inch mid-range drivers I had in the doors were greatly improved, but it would have been better to better to build some speaker pods instead. That butyl mat was impossible to remove, and made fastener removal much harder when I was in there later to service (R&R) the window tracks. The road noise itself wasn't noticeably different with a layer of that on the doors, and the floor, and firewall up about a foot. That car did have thick carpet and padding though, and plenty of factory pieces slapped onto the middle of large panels to cut down on resonance already.

In summary though, don't expect a noticeable change without covering the entire vehicle with multiple layers of this stuff. At most, I'd expect it to help rattles - not plastic on plastic vibration/creaks, but actual rattles. An actual sound deadener job will be well over $1k in materials, and need care around every connection point/fastener and bend to make sure that interior panels go back on properly.
5
Today 09:20 AM
427 Posts
Joined Sep 2009
coldpizzsaToday 09:20 AM
427 Posts
Quote from Masejoer :
I find it so strange that Amazon resells this stuff with their Basic branding on it.

Note that car sound deadening really has three steps. This one is to remove resonance and decrease rattles, by adding a small amount of mass to the panels. More mass the better. Mass-loaded vinyl sheeting (MLV) is cheaper per pound, so people typically use that as a more effective sound barrier, and it's sold by weight of pound per square foot. To prevent vibration/energy from moving from between the body panel to the MLV, causing the MLV to vibrate, a foam (typically closed cell so that moisture doesn't get trapped in the foam and breed bacteria/mold) is used between the outer panel and MLV as a "decoupling" layer.

In short though, mass is what absorbs acoustic energy. The more mass you have, the less acoustic energy you'll hear through that panel of the vehicle. Truly fffective sound dampening will add some 500lb of material to the vehicle. 100lb on the floors and lower walls can help take the energy out of the higher frequencies, but the noise SPL levels won't change much in the frequencies where road noise is typically heard. I did this for the last time on an aluminum chassis car, and was let down with only 100lb of material, using a measurement mic to capture the before/after on the same day, ambient temperature and tire pressure, road/surface. It dropped 1KHz and up, but the SPL level was about the same - just at a lower frequency.

20 years ago I added only a ton of 60mil butyl mat to the outer and inner door skins of a car though - 2 layers on outer, 2.5 layers on the inner, full coverage. I put closed cell foam around the rear of the door speakers. The doors closed with a good thud, and the 7-inch mid-range drivers I had in the doors were greatly improved, but it would have been better to better to build some speaker pods instead. That butyl mat was impossible to remove, and made fastener removal much harder when I was in there later to service (R&R) the window tracks. The road noise itself wasn't noticeably different with a layer of that on the doors, and the floor, and firewall up about a foot. That car did have thick carpet and padding though, and plenty of factory pieces slapped onto the middle of large panels to cut down on resonance already.

In summary though, don't expect a noticeable change without covering the entire vehicle with multiple layers of this stuff. At most, I'd expect it to help rattles - not plastic on plastic vibration/creaks, but actual rattles. An actual sound deadener job will be well over $1k in materials, and need care around every connection point/fastener and bend to make sure that interior panels go back on properly.
this guy is spot on lol.. these types of products are great to maybe secure behind your license plate to reduce rattle or on a very specific interior door panel areas where hard material on hard material friction occurs. this will not make your interior audio sound quality noticeably better inside of your car by applying one layer of this sheeting between your door panels.
Today 09:57 AM
272 Posts
Joined Jan 2018
robertson136Today 09:57 AM
272 Posts
Quote from SplendidCreature371 :
feedback?
I've used it in multiple vehicles and on my tractor, boat. It works. Oldest install is the boat which was in Salt water 3 years. It's now 6 years old. No issues

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Today 11:57 AM
1,204 Posts
Joined Jun 2005
G60roddoToday 11:57 AM
1,204 Posts
Quote from Masejoer :
I find it so strange that Amazon resells this stuff with their Basic branding on it.

Note that car sound deadening really has three steps. This one is to remove resonance and decrease rattles, by adding a small amount of mass to the panels. More mass the better. Mass-loaded vinyl sheeting (MLV) is cheaper per pound, so people typically use that as a more effective sound barrier, and it's sold by weight of pound per square foot. To prevent vibration/energy from moving from between the body panel to the MLV, causing the MLV to vibrate, a foam (typically closed cell so that moisture doesn't get trapped in the foam and breed bacteria/mold) is used between the outer panel and MLV as a "decoupling" layer.

In short though, mass is what absorbs acoustic energy. The more mass you have, the less acoustic energy you'll hear through that panel of the vehicle. Truly fffective sound dampening will add some 500lb of material to the vehicle. 100lb on the floors and lower walls can help take the energy out of the higher frequencies, but the noise SPL levels won't change much in the frequencies where road noise is typically heard. I did this for the last time on an aluminum chassis car, and was let down with only 100lb of material, using a measurement mic to capture the before/after on the same day, ambient temperature and tire pressure, road/surface. It dropped 1KHz and up, but the SPL level was about the same - just at a lower frequency.

20 years ago I added only a ton of 60mil butyl mat to the outer and inner door skins of a car though - 2 layers on outer, 2.5 layers on the inner, full coverage. I put closed cell foam around the rear of the door speakers. The doors closed with a good thud, and the 7-inch mid-range drivers I had in the doors were greatly improved, but it would have been better to better to build some speaker pods instead. That butyl mat was impossible to remove, and made fastener removal much harder when I was in there later to service (R&R) the window tracks. The road noise itself wasn't noticeably different with a layer of that on the doors, and the floor, and firewall up about a foot. That car did have thick carpet and padding though, and plenty of factory pieces slapped onto the middle of large panels to cut down on resonance already.

In summary though, don't expect a noticeable change without covering the entire vehicle with multiple layers of this stuff. At most, I'd expect it to help rattles - not plastic on plastic vibration/creaks, but actual rattles. An actual sound deadener job will be well over $1k in materials, and need care around every connection point/fastener and bend to make sure that interior panels go back on properly.
This is a fabulous post, thanks. I do have a question though- For example, "The 2026 Honda Pilot features a quieter cabin, achieved through enhanced sound-deadening materials in the doors, dashboard, and hood, along with standard acoustic glass. This refresh addresses previous noise concerns, making it the quietest Pilot model to date"
It seems the new vehicle is as advertised; what do you suppose the added material actually is? Surely they didn't add many hundreds of pounds? I'd like to get me some of that on my pilot that's a few years older and pretty noisy.
Today 11:58 AM
379 Posts
Joined Dec 2007
BadMouthToday 11:58 AM
379 Posts
I didn't use this brand, but lining the inside of the outer door skins of my cheap "plastic fantastic interior" truck made a noticeable difference in road noise. The big difference in sound quality came from tracking down every little thing that was rattling or resonating and individually addressing them until there were none left. The soft sticky butyl rubber is useful for that and sealing light bleed, but makes an absolute mess.
I used the leftover on my kitchen sink. Not sure I would fork over the money specifically for that purpose, but placing an item in the sink now results in a satisfying thud instead of an annoying high pitch clank.
Today 12:54 PM
3,617 Posts
Joined Feb 2007
nolenskiToday 12:54 PM
3,617 Posts
Quote from BadMouth :
I didn't use this brand, but lining the inside of the outer door skins of my cheap "plastic fantastic interior" truck made a noticeable difference in road noise. The big difference in sound quality came from tracking down every little thing that was rattling or resonating and individually addressing them until there were none left. The soft sticky butyl rubber is useful for that and sealing light bleed, but makes an absolute mess.
I used the leftover on my kitchen sink. Not sure I would fork over the money specifically for that purpose, but placing an item in the sink now results in a satisfying thud instead of an annoying high pitch clank.
Interesting that you mention the sink... I was installing two identical thick gauge stainless kitchen sinks and decided to do a side-by-side comparison. I completely lined the back side if one sink with the name brand mat that I had left over from doing a vehicle and the noise reduction was very noticeable when placing things in the sink. It wasn't a life-changer, but it did make the sinks sound more solid and far less 'clangy'. I ended up needing to buy some to do the other sink to please the bride. You know the moral: "Happy wife..."
Today 07:41 PM
297 Posts
Joined Nov 2009
DealsWithIt20Today 07:41 PM
297 Posts
Do remember that adding 500 lb of material does increase wear and tear on suspensions and tires. It will also decrease MPG but it does help with driver fatigue and making the car feel nicer. Looking at the prices at the pump right now and it hurts.

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