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Re: Interior soundproofing suggestions?
[Re: 56_Royal_Lancer]
#1105232
11/01/11 05:54 PM
11/01/11 05:54 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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yes the dynamat stuff is pricey. A guy (on here) recommended some iirc 1/8" similar type stick on insulation from Home Depot & I saw it out there once but dont remember the name but it should be fairly easy to spot out there in that aisle
live every 24 hour block of time like it's your last day on earth
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Re: Interior soundproofing suggestions?
[Re: 56_Royal_Lancer]
#1105233
11/01/11 07:22 PM
11/01/11 07:22 PM
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Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
blown340
master
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master
Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
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I use fatmat. it works incredibly well and is alot cheaper than the dynamat stuff.
-Jon
70 challenger convertible. 340/5 speed. blown, intercooled, efi, blah blah blah
71 valiant scamp 318/A833OD/AC/PS
00 dakota RC 4.7L 5 spd autoX'r. SRT10/T56 swap in process
73 W200 Power wagon, PTO winch, 4 spd
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Re: Interior soundproofing suggestions?
[Re: blown340]
#1105234
11/01/11 07:30 PM
11/01/11 07:30 PM
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Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar
master
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master
Joined: Jan 2003
Posts: 3,575
The Netherlands
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My local HomeWrecking Depot has 2x2' rubber anti-vibration tiles for use under washingmachines and such. They're about 7/16" thick. I bought 3 of these tiles, cut them down a little and put them in my daily Dart. Was a night and day difference compared to driving without them. Must say I also covered the inside floorboards with a couple of layers of some roofing repair paste which turns into a elastic kinda sticky rubber when dry. Yeah I'm cheap AND creative! 
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Re: Interior soundproofing suggestions?
[Re: 56_Royal_Lancer]
#1105237
11/01/11 08:51 PM
11/01/11 08:51 PM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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Dynamat Extreme in the bulk packs from Amazon for about 1/2 off the list price with free shipping. Often imitated, pretty well by some brands too, but at this price, why not get the best.
Also you don't need to cover the entire interior. You can use strips and cover partial panels with great effect. Saves money too. Tap on the panel, listen for the resonance. Then put enough Dynamat on to deaden the ringing/resonation.
Once you get the panels deadend, you can cover the whole area by using the "Insulator" from Aircraft Spruce. It's a foil covered fabric-stuffed insulating mat that's the best stuff out there for the money at just under $5 per linear foot for 4 ft wide.
Cut out patterns that when taped together, completely cover the interior. Use aluminum tape to seal the seams. You should end up with lots of individually cut out shapes that look like a dress maker's pattern until you tape it all up and create a solid barrier against noise, fumes and heat. The idea is to get the stuff to lay as flat as possible on top of every contour of your car's interior and form a complete well-fitting barrier.
The combination of Dynamat to deaden the resonation of the panels and the "Insulator" to cocoon the entire interior will leave you with an interior that is quieter than any other method I've heard of. All this enhanced comfort in your Mopar comes at a pretty reasonable cost too.
In this picture you can see the Dynamat inside the roof pillars. I added a bit more before I installed the interior panels. Also, the "Insulator " pad is glued on top of the Dynamat with waterproof contact cement. I used common aluminum tape to seal the "Insulator" pad to the doors and floor and all the seams. No need for glue there.
Last edited by jbc426; 11/04/11 07:28 AM.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Interior soundproofing suggestions?
[Re: jbc426]
#1105238
11/01/11 08:56 PM
11/01/11 08:56 PM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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Here's the "Insulator" pad installed on my doors. It helps keep out heat, sound, and fumes, Especially when you tape all the edges and gaps.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Interior soundproofing suggestions?
[Re: jbc426]
#1105239
11/01/11 08:58 PM
11/01/11 08:58 PM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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I used just enough Dynamat to deaden the ringing of the panels when I tapped on them. I learned this from an aircraft site that showed how to insulate airplanes without adding extra unnecessary weight.....and cost.
The inside of my car literally absorbs sound now. People are astonished at how they can actually hear the sound deadening effects of this treatment when they sit in the car and talk. It's also much cooler and lets in way less fumes.
I did the floor from the upper cowl to the rear package tray, the sides(door) and the headliner. It is completely sealed now except for the glass and door opennings.
The best part about it, is that visually, you can't even tell it's been done now that the interior is back together.
Last edited by jbc426; 11/04/11 07:29 AM.
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Re: Interior soundproofing suggestions?
[Re: jbc426]
#1105240
11/01/11 09:08 PM
11/01/11 09:08 PM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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This is by far the best stuff out there for the money to finish off your Dynamat, Fatmat or whatever you end up getting. Check it out! It's called the Insulator and it's available at Aircraft Spruce.
Shown here is a roll of the double thick stuff I used on the flats of the floor. Everywhere else, I used the regular thickness stuff, which is what I will use next time I do an interior.
Last edited by jbc426; 11/04/11 07:31 AM.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Interior soundproofing suggestions?
[Re: 56_Royal_Lancer]
#1105243
11/02/11 01:51 AM
11/02/11 01:51 AM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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Quote:
I went to the Aircraft Spruce site. Is this the product? :
INSULATOR PANELS
The Insulator is one of the finest sound proofing and thermal insulation materials available, and will last the life of the aircraft.
Click here to view more details.
09-27400 INSULATOR, ONE-PLY 4X6 SHEET $21.65
Yes, but you can by it in 2 ft or 4 ft wide rolls too. I think the 2 ft wide rolls are easiest to work with.
The trick to installing it is to cut out lots of fitted sections that lay flat and then tape the seams with the aluminum tape you get from the hardware store for heating & cooling ducts. That way it lays down nice, fits nicely around components and odd shapes and really seals out sound, heat etc.
http://www.aircraftspruce.com/catalog/appages/insulator3.php
Last edited by jbc426; 11/02/11 01:55 AM.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Interior soundproofing suggestions?
[Re: jbc426]
#1105244
11/02/11 08:06 AM
11/02/11 08:06 AM
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Joined: Jan 2005
Posts: 3,344
Central TX
roe
master
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master
Joined: Jan 2005
Posts: 3,344
Central TX
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Quote:
Quote:
I went to the Aircraft Spruce site. Is this the product? :
INSULATOR PANELS
The Insulator is one of the finest sound proofing and thermal insulation materials available, and will last the life of the aircraft.
Click here to view more details.
09-27400 INSULATOR, ONE-PLY 4X6 SHEET $21.65
Yes, but you can by it in 2 ft or 4 ft wide rolls too. I think the 2 ft wide rolls are easiest to work with.
The trick to installing it is to cut out lots of fitted sections that lay flat and then tape the seams with the aluminum tape you get from the hardware store for heating & cooling ducts. That way it lays down nice, fits nicely around components and odd shapes and really seals out sound, heat etc.
http://www.aircraftspruce.com/catalog/appages/insulator3.php
So you didn't use the dyna mat on the floors, just the Aircraft insulator? I was looking at the fatmat and was planning on using it to cover everything, but your tips make since and will probably save me a lot of money too. So just to make sure I got it right, small pieces of fatmat/dynamat to deaden the sound in the various areas (floor, door panels, roof, package tray, kick panels, etc...), then tape those small peices together using aluminum ducting tape, and cover the taped together peices and all remaining areas with the Aircraft insulator and seal those seams with same aluminum tape. That sound about right?
1971 Plymouth Satellite
408/904 8 3/4 3.23 SG
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Re: Interior soundproofing suggestions?
[Re: roe]
#1105245
11/02/11 01:24 PM
11/02/11 01:24 PM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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Quote:
Quote:
Quote:
I went to the Aircraft Spruce site. Is this the product? :
INSULATOR PANELS
The Insulator is one of the finest sound proofing and thermal insulation materials available, and will last the life of the aircraft.
Click here to view more details.
09-27400 INSULATOR, ONE-PLY 4X6 SHEET $21.65
Yes, but you can by it in 2 ft or 4 ft wide rolls too. I think the 2 ft wide rolls are easiest to work with.
The trick to installing it is to cut out lots of fitted sections that lay flat and then tape the seams with the aluminum tape you get from the hardware store for heating & cooling ducts. That way it lays down nice, fits nicely around components and odd shapes and really seals out sound, heat etc.
http://www.aircraftspruce.com/catalog/appages/insulator3.php
So you didn't use the dyna mat on the floors, just the Aircraft insulator? I was looking at the fatmat and was planning on using it to cover everything, but your tips make since and will probably save me a lot of money too. So just to make sure I got it right, small pieces of fatmat/dynamat to deaden the sound in the various areas (floor, door panels, roof, package tray, kick panels, etc...), then tape those small peices together using aluminum ducting tape, and cover the taped together peices and all remaining areas with the Aircraft insulator and seal those seams with same aluminum tape. That sound about right?
Almost. I used two bulk packs of Dynamat Extreme focusing on the cowl, firewall and front floor area by the drivers feet, transmission tunnel the head liner etc Those areas are pretty solidly covered. I also used it on the rear deck and anywhere else where the metal rang/reasonated when I banged on it. If I banged on it and it sounded deadend already, I didn't use dynamat there. No aluminum tape is used yet.
Once that is done, I cut out paterns of the Insulator and layed them out in the car. I avoided bending and curving the insulation to go over obsticles and prefer to cut a piece to make the transition to corners or along oddly shaped components. Once I have the material cut out so that it lays flat, I begin taping all the seams up.
Once I finish that, the Insulation looks like a custom molded and shaped pad that was designed specifically for the area. I then tape all the edges so that heat and fumes etc can't go around it.
In this picture, you can see the Dynamat going way up to the top of the cowl, In the next phase, I put the Insulator up there just as high by taping together half a dozen smaller pieces to get them to fit up there. Once taped they look like a well- fitted solid sheet of the Insulator.
I use that same process to cocoon the entire inside of the car from the cowl all the way to the rear deck and from one side of the car to the other. It is completely sealed at that point. If I were to pull the finished Insulator out, it would look like a mold of the inside of the car with all the contours and angles etc.
It's the combination of sound deadening materials such as Dynamat, Fatmat and others COMBINED with the insulated padded material such as The Insulator that makes the end result better than either material alone.
If I had to use only one or the other, I would go with the Insulator material instead of the Dynamat type products for the greatest effectiveness for the lowest cost.
Last edited by jbc426; 11/02/11 08:51 PM.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Interior soundproofing suggestions?
[Re: jbc426]
#1105246
11/02/11 01:34 PM
11/02/11 01:34 PM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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This is my headliner area. I had to keep the edges free of anything that would affect the headliner material once it was installed.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Interior soundproofing suggestions?
[Re: jbc426]
#1105247
11/02/11 01:36 PM
11/02/11 01:36 PM
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Joined: Mar 2007
Posts: 3,287
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,287
West Coast, USA
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Once the Dynamat was in, I glued up some Insulator being careful to keep it far enugh back from the edges that the headliner attaches to.
Last edited by jbc426; 11/02/11 05:02 PM.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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