Re: Floor pan sound deadener.
[Re: wkroncke17]
#2712447
11/03/19 03:06 PM
11/03/19 03:06 PM
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Joined: Dec 2003
Posts: 22,696 Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,696
Bitopia
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May want to first reduce the heat and sound BEFORE it gets to floor, ie, run exhaust to back bumper, use SS plpe and heat wrap where most useful, use reflective radiant barrier on road side of floors, choice of muffler, use a crossover, get a bigger stereo, etc. None of that would be in lieu of sound deadener, but sure would improve the results.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: Floor pan sound deadener.
[Re: jcc]
#2712492
11/03/19 05:47 PM
11/03/19 05:47 PM
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Joined: Apr 2011
Posts: 315 Ontario, Canada
RealWing
enthusiast
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enthusiast
Joined: Apr 2011
Posts: 315
Ontario, Canada
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I used Eastwood and Dyna Mat sound deadener, then added 1/4" of aircraft sound deadening closed cell foam on top of that
1970 Superbird 440-6bbl, auto 1969 Barracuda 340-4bbl, FB Formula S auto 1969 Barracuda 6.1 L Hemi, 5 speed, Convertible 2022 Can Am Spyder RTL
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Re: Floor pan sound deadener.
[Re: MI_Custumz]
#2712764
11/04/19 05:49 PM
11/04/19 05:49 PM
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Joined: Jan 2003
Posts: 8,668 Buford, GA
I_bleed_MOPAR
master
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master
Joined: Jan 2003
Posts: 8,668
Buford, GA
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I've heard you can use sticky insulation from Lowe's/Home Depot that's for duct work. Not the fiberglass material, but something like dynamat stuff. One of the builds Garage Squad did, they used something from a hardware store that according to them was less than half the cost. Tim
'71 Charger 383/727 '17 Challenger SXT (Wifeys car )
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Re: Floor pan sound deadener.
[Re: wkroncke17]
#2712817
11/04/19 08:36 PM
11/04/19 08:36 PM
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Joined: Aug 2005
Posts: 6,003 Salem
Grizzly
Moparts Proctologist
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Moparts Proctologist
Joined: Aug 2005
Posts: 6,003
Salem
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Agree with the replies about sourcing from the hardware store and saving money. The rubber boot matting for house use is very easy to work with and affordable. The tar strip stuff works, it's what the OEM's are using and can be found at the big box stores. Or, you can order it from Amazon and give the courier guy a hernia. If you pull apart a new vehicle, the OEM's only have a strip here and there.......which brings up the next point: It is quite a science and there is more to it than just running that stuff everywhere. I tried it on my '02 Cummins to try to shut that 24 valve up: I pulled all the seats out and ran a heavy rubber matting right from the bottom of the dash to the bottom of the back window. It didn't make a bit of difference. My understanding is it's the actual shape/forming of the metal that has a lot to do with having a quiet interior. Not trying to discourage you from trying, whatever you do will make it better. Car looks great Wally, my favorite color to have a Demon in!
Mo' Farts
Moderated by "tbagger".
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Re: Floor pan sound deadener.
[Re: poorboy]
#2712906
11/05/19 08:43 AM
11/05/19 08:43 AM
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Joined: Jun 2004
Posts: 3,380 St. Charles, MO
wingman
Uncreative Title
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Uncreative Title
Joined: Jun 2004
Posts: 3,380
St. Charles, MO
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Has anyone had any issues with these products causing the molded carpet not to fit right?
1969 Dodge Coronet Super Bee 383 A4 1970 Plymouth Road Runner 440 FC7 (sold)
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Re: Floor pan sound deadener.
[Re: wingman]
#2712911
11/05/19 09:10 AM
11/05/19 09:10 AM
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Joined: Oct 2007
Posts: 2,808 Wisconsin
wkroncke17
OP
master
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OP
master
Joined: Oct 2007
Posts: 2,808
Wisconsin
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Has anyone had any issues with these products causing the molded carpet not to fit right? All very good advice and very good points to bring up. I was about to pull the trigger on the fat mat when the hardware store stuff came up. I’ll look into that today for sure. Thanks for the compliment Grizz. Black always looks good, but very hard to keep clean! I appreciate all the help with this guys. Wally.
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Re: Floor pan sound deadener.
[Re: wingman]
#2712945
11/05/19 10:56 AM
11/05/19 10:56 AM
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Joined: Jun 2003
Posts: 21,428 It's a dry heat
gtx6970
Too Many Posts
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Too Many Posts
Joined: Jun 2003
Posts: 21,428
It's a dry heat
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Has anyone had any issues with these products causing the molded carpet not to fit right? Ive used either Fatmat or Dynomat in maybe 6 or 7 cars the past few years. Not one did it cause any carpet fit issues.
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Re: Floor pan sound deadener.
[Re: gtx6970]
#2712972
11/05/19 12:01 PM
11/05/19 12:01 PM
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Joined: Oct 2007
Posts: 2,808 Wisconsin
wkroncke17
OP
master
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OP
master
Joined: Oct 2007
Posts: 2,808
Wisconsin
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Has anyone had any issues with these products causing the molded carpet not to fit right? Ive used either Fatmat or Dynomat in maybe 6 or 7 cars the past few years. Not one did it cause any carpet fit issues. That’s very good information, thanks. I looked into the duct insulation from Home Depot It looks a little thick? (0.3125 of an inch) 5/16. Too thick? https://www.homedepot.com/p/Reflect...ective-Insulation-Roll-BP48025/100052556Thanks again all.
Last edited by wkroncke17; 11/05/19 12:19 PM.
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Re: Floor pan sound deadener.
[Re: wkroncke17]
#2713096
11/05/19 06:15 PM
11/05/19 06:15 PM
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Joined: Dec 2003
Posts: 22,696 Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,696
Bitopia
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There are no magic bullets with this issue, the end result is based mainly on thickness, or weight, or some combination. More always being better regarding attenuation. Everything else is mainly marketing.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: Floor pan sound deadener.
[Re: wkroncke17]
#2713099
11/05/19 06:18 PM
11/05/19 06:18 PM
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Joined: Jan 2011
Posts: 15,859 Central Florida
larrymopar360
Stud Muffin
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Stud Muffin
Joined: Jan 2011
Posts: 15,859
Central Florida
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Is there a concern with the adhesive backed insulations like dynomat and moisture getting underneath? I've considered them too, but despite doing my best to seal my cars and keep them out of the rain, I will get caught in one and a wash is necessary now and then. I liked to be able to occasionally remove door sills and get my hand under everything and check for dampness.
I wonder are products like dynomat going to stop every bit of moisture from getting underneath?
Facts are stubborn things.
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Re: Floor pan sound deadener.
[Re: larrymopar360]
#2713120
11/05/19 07:25 PM
11/05/19 07:25 PM
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Joined: Oct 2007
Posts: 2,808 Wisconsin
wkroncke17
OP
master
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OP
master
Joined: Oct 2007
Posts: 2,808
Wisconsin
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Is there a concern with the adhesive backed insulations like dynomat and moisture getting underneath? I've considered them too, but despite doing my best to seal my cars and keep them out of the rain, I will get caught in one and a wash is necessary now and then. I liked to be able to occasionally remove door sills and get my hand under everything and check for dampness.
I wonder are products like dynomat going to stop every bit of moisture from getting underneath? Good question Larry, Thank you. Another question........Does anyone put this stuff on the ceiling of their car under the headliner? How about on the door skin? Thanks again all! Wally.
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Re: Floor pan sound deadener.
[Re: wkroncke17]
#2713122
11/05/19 07:35 PM
11/05/19 07:35 PM
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Joined: Jun 2003
Posts: 21,428 It's a dry heat
gtx6970
Too Many Posts
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Too Many Posts
Joined: Jun 2003
Posts: 21,428
It's a dry heat
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Is there a concern with the adhesive backed insulations like dynomat and moisture getting underneath? I've considered them too, but despite doing my best to seal my cars and keep them out of the rain, I will get caught in one and a wash is necessary now and then. I liked to be able to occasionally remove door sills and get my hand under everything and check for dampness.
I wonder are products like dynomat going to stop every bit of moisture from getting underneath? Good question Larry, Thank you. Another question........Does anyone put this stuff on the ceiling of their car under the headliner? How about on the door skin? Thanks again all! Wally. I have, in maybe 3 or 4 cars Ive done. ( all but one were black vinyl tops cars ) It makes HUGE difference in nose resonance on the interior of the car. I put it on the insides of the doors and makes a big difference in how solid the door sounds when closing I did a 1970 hemi cuda clone build several years ago and installed the rattle trap on just about every square inch of the interior ( even under the pkg tray board ) Car has aftermkt A/C and owner says it helps keep the car A - very cool and B - very quite on road trips
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