B-Quiet Extreme Sound Dampening

[Constrictor]

This probably belongs in the Electronics section, but I think it also applies here, so I'll post it.

Its no secret the F-body is not a refined vehicle, and there are some squeaks and rattles from the interior that you will hear while driving. Its also no secret that we have noisy rearends which can also be heard while driving.

When installing an aftermarket stereo, this problem becomes more obvious because you are going to be vibrating body panels more, and the need to tigthen up the sound becomes more necessary.

Not only that, when you start to add louder catbacks like the SLP Loudmouth, you will have a side effect called drone which makes a loud humming noise inside the cabin of your car that gets very loud at certain RPMs which can be annoying on highway trips.

All of these negative side effects can be somewhat overcome with sound dampening material. There are several different products out there that will work, one of the most popular being Dynamat and Dynamat Extreme. Although Dynamat is an effective product, it is very expensive, and there are cheaper alternatives.

Another popular product is a product you can buy at Lowes or Home Depot called Frost King Duct Insulation. Although its designed to quiet HVAC venting in buildings, it works as a sound dampener. It is also very cheap and lightweight, however, its not very effective, so you'd need to layer it to get a good coating.

The product I used is made by a company called B-Quiet. They have many different products out there, the best being Brown Bread. Although Brown Bread works very well, its expensive, and heavy. I went with something a little lighter and cheaper that they sell called B-Quiet Extreme.

The product comes on a roll of 50 sqft. Each 50sqft roll weighs 15lbs, so if you use 2 whole rolls, you're only adding 30 lbs to your car, and in my opinion, it is worth it.

Removing the interior isnt as hard as it sounds, as the F-body interior is easy to remove. I wrote up a guide on how to disassemble everything which I'll have to find and repost here later. Installation of the B-Quiet is just peel and stick. It has a sticky, black compound that sticks to anything it touches. You simply peel off the wax paper covering and place it where you want. You'll want to cut the mateiral before sticking it, cause once its stuck, you'll have a hard time getting it off.

I recommend installing this when its somewhat cool outside, like around 60 degrees. The reason being is this stuff gets stickier the hotter it gets, and by keeping it cool will help keep it from sticking to places you dont want.

Here's some pictures.

Interior Removed:
http://www.metalreviewcentre.com/images/Pdrm0063a.jpg

http://www.metalreviewcentre.com/images/Pdrm0067a.jpg

http://www.metalreviewcentre.com/images/Pdrm0069a.jpg

B-Quiet Installed:
http://www.metalreviewcentre.com/images/Pdrm0097a.jpg

http://www.metalreviewcentre.com/images/Pdrm0103a.jpg

http://www.metalreviewcentre.com/images/Pdrm0090a.jpg

[PontiacFan]

Holy shet! Nice job!

What the heck happened to the lefthand radio buttons on the steering wheel?!?!?

[Constrictor]

Originally posted by PontiacFan
Holy shet! Nice job!

What the heck happened to the lefthand radio buttons on the steering wheel?!?!?

Those pictures were taken in the middle of "Project: Resurrection" which was a 3 month long project where I tore into the engine, interior, electronics, and suspension of the car. Many parts of the car were in various stages of disassembly, including the steering wheel buttons because I had a burned out light. In these pictures above, the engine was down to the bare block, so I had to push it in and out of the garage! :D I put the controls back in once I got the car back together.

[$ickZ06]

nice...

[skytower31]

Hey Constrictor, I am looking to just do the rear hatch area right now to deaden some drone from my exhaust and help my sub performance. Which of the products on the B-Quiet website would you recommend to kill the drone the best? I was thinking one of the composites would work best. They also say to use in conjunction with a damping material to help even more. Any opinions would be great! Thanks!!!

[tici]

Hi Constrictor,
you did a great job! Are you satisfied with the result? Since I installed LT headers and a Corsa cat back to drive more than one hour became a torture for my ears!
I Installed two homemade glasspacks in both Corsa outlets (each 15" long and 2" dia.) It's better but the vibrations are still going allover the car. Depending on the RPM I can tell you wich piece of plastic will start to sound...
Do you suggest to use the same paterial or even something heavier? Or a double layer?

Thanks - Stefano

[$ickZ06]

yes, i would also like to know how good it works, I have three 12's and i dont like the rattling but i also dont want to take out my interior.

[NolanTA]

I'm thinking of doing about the same coverage, did you use 2 rolls of the extreme? And how noticable are the results?

[Bill H]

nice work!

I too am interested inthe results. Flowmaster=drone

[Constrictor]

B-Quiet Extreme is what I used and is only marginally good at dampening sound. Don't expect your car to sound like a Lexus after doing this mod. I did use 2-3 layers in some spots in the hatch area and 1 layer on the floor and center console area.

If you are building a pro audio system and want the most effective dampening, I strongly recommend Brown Bread. It is 1.6mm thick as opposed to B-Quiet Extreme, which is 1.15 mm thick. You can obviously put as many layers on top of itself as you want, whcih will add to the effectiveness, but if youre willing to spend a little more, I'd go with Brown Bread.

Like I said, I used 100 sq ft. If you only wanted to cover the reaar hatch area, 50 sq ft of the Extreme will be enough and that will include double layering the trunk area. If you go with Brown Bread, 30 sq ft for a single layer should be enough to give adequate results.

As a whole, road and tire noise is almost completely gone. My sub sounds noticably deeper, my exhaust is still raucously loud, but you can carry a conversation in the car while driving (I have a Loudmouth and Hooker LT headers). Also, interior body panel vibrating is completely gone, which is a big plus for me.

Overall, I think its very much worth it. B-Quiet Extreme is an entry level product, if you want something a little better, go with Brown Bread. If you want to go crazy, they do make other products like VComp, but I have no experience with those, so I dont want to make any predictions.

[skytower31]

So you think that the sq ft area of the hatch area (from trunk latch to the connection point for the rotating carpet flap before the deckmat) is about 30 sq ft?

I am going to start by covering that area. I think I will start with a layer of brown bread and them maybe add some Vcomp if I am not happy with just the brown bread. I was reading that many people who put both brown bread and Vcomp were VERY happy, but I don't want to drop all that cash at one time!

[98 SNAKE EATER]

Back when I used to compete, I used lightweight DynaMat for the flat panels and RF's spray on sound deadener for all of the curved areas (I think they call it Dead Skin nowadays)...

It did wonders for my 84 RX7 (rubber band powered Rattle Trap) and it actually increased checkpoint SPL by 3.7db on my Astro:eek:

[tici]

I'm actually working for a company that supplies noise reduction foam for the German automotive industrie.
Talking with a technician I doscovered that it takes at least two layers to have a good result: first something heavy, then an open cell foam (polyurethane). The heavy stuff is to reduce the vibration of the metal sheets, the foam to trap the noise.
Apparently cars like Mercedes or BMW use a molded sheet of EPDM (same rubber sealant material as in several valves for the chemical industry). This "rubber" is heavy enough to stop or reduce vibrations.
I'll ask him more about this topic because to design noise reduction system has been his previous job. Please allow me one day or two.

Stefano

[Mad Max]

Constrictor, your car was neeked........:eek:
Actually, I have rode in his car, and even with all the sound deadening material, it is STILL loud with the headers and all - but it sounds good both inside (stereo) and outside (exhaust). :D

[Constrictor]

Originally posted by Mad Max
Constrictor, your car was neeked........:eek:
Actually, I have rode in his car, and even with all the sound deadening material, it is STILL loud with the headers and all - but it sounds good both inside (stereo) and outside (exhaust). :D

Don't you worry, we will be doing this to your car soon! :)

[sirhc reuab]

so how much was 100 sq feet? and where did you get it?

[Constrictor]

I beleive I paid something like $130 shipped for 100 sq ft, and I bought it directly from B-Quiet.

[Barry 94Formula]

I used the BB in the rear hatch of mine. I did it to help with the gear whine. I does work well , but I still want to do the rest of the interior. It is heavy as Constrictor said. I recently lowered my car and so I am worried about adding that much material to it as the car is already heavy and I don't want it to drop any lower.

[Arcticbird]

How about that quide to the B-Quiet material and taking all the carpet out of your car constrictor?

[Constrictor]

Originally posted by Arcticbird
How about that quide to the B-Quiet material and taking all the carpet out of your car constrictor?

Check out this thread:

http://www.ls1.com/forums/showthread.php?t=307908

[XxXTransAmXxX]

Constrictor, how much did you end up spending, and from where?

[D Dub]

Hate to bump this...

but do you have that interior removal guide still constrictor?

[Constrictor]

No, sorry. It was posted on LS1.COM and never copied here, and since Brad didnt pay his bills again, all their old data got deleted.

If you have specific questions about removing any particular part, PM me, and I'll help ya.

[D Dub]

I got it all now...I couldn't figure out how to get the round part off the front seat belt holders...actually broke one tryint to pry it..so I just cut a slit in the carpet...

Almost done with my dynamat...

[D Dub]

One last thing...what did you do about the 'velcro' for the sail panels? Looks like you cut around them?

Or did you remove them and affix them on top of the mat?

[1994LS1]

Constrictor, is the 100 sq. ft. enough for the entire car? I am thinking about doing that to my car also. Thanks.

[DarkPhoenix]

I copied Constrictor's setup with the 100 sq/ft of B-Quiet extreme, I then added 35 extra sq/ft to the trunk area to help combat the exhaust. Yes, 100 Sq/ft is enough for the whole car, I did the floor, doors, ceiling, trunk and trunk lid with 100sq/ft.

When I got my new Chevy Colorado I ended up installing 100sq/ft in it. I was telling my dad about the stuff and he was kinda skeptical. So, I gave a good thump to the roof of my wife's TrailBlazer and it sounded very tinny and echoed for a second. I then hit the roof of my truck and all I could get out of it was a dull thud. THis stuff is freaking awesome!

B-Quiet was a sponsor back on LS1.com, before the dark ages... Do a search on yahoo and you will find them.

[D Dub]

Originally posted by 1994LS1
Constrictor, is the 100 sq. ft. enough for the entire car? I am thinking about doing that to my car also. Thanks.

I got 120 sq. feet...and did the whole car with a bunch left...I doubled up on the entire tranny tunnel...and plan on doubling up on the hatch...

Putting the car back together sucks :sadnana:

[Element]

I wound up using about 220 sq feet in my Altima, but EVERYTING had a double layer, and the trunk, rear deck, and trunk lid had 3 layers.

Are you guys doing the doors also? Or just the floor and hatch/t-top well area?

[D Dub]

Originally posted by Element
I wound up using about 220 sq feet in my Altima, but EVERYTING had a double layer, and the trunk, rear deck, and trunk lid had 3 layers.

Are you guys doing the doors also? Or just the floor and hatch/t-top well area? I did everything but the roof...

[DarkPhoenix]

I did everything but behind the dash. There is no freaking way I was going to try to take it appart!

[D Dub]

Originally posted by Blk02ls1a4
I did everything but behind the dash. There is no freaking way I was going to try to take it appart! There's already plenty of deadening there....I've never heard of anyone putting it behind the dash unless it is a complete build for and audio manufacturer..

Like the cars kicker puts out, etc..