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  #1  
Old February 12th, 2015, 07:46 AM
dsimpson96
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David Simpson
1991 Defender 90
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Sound Proofing

Hi guys, was just wondering what the best stuff to use when sound proofing/insulating my defender, I've heard of dynamat extreme, but was just wondering what's the best stuff to use!!
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  #2  
Old February 12th, 2015, 08:01 AM
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Lots of threads on this take a search then have a read...
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  #3  
Old February 12th, 2015, 08:17 AM
dsimpson96
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oh my bad I didn't know, thanks!
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  #4  
Old February 12th, 2015, 09:55 AM
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ear plugs work great.
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  #5  
Old February 12th, 2015, 10:02 AM
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...or a really loud sound system.
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  #6  
Old February 12th, 2015, 11:04 AM
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If you call my GF a "B!@t4 again" she will rapture your ear drum.
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  #7  
Old February 12th, 2015, 11:10 AM
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rapture your ear drum.
That would be way worse than rupturing them.
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  #8  
Old February 12th, 2015, 11:49 AM
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Amit Likhyani
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I'm using Dynamat on the inside of my doors and on my tub. I bought the Exmoor 3 piece rubber mat set to cover the seat areas and floor/tunnel area. Can't comment yet on noise reduction(truck is being painted) but others have told me it does a great job. I've got a soft top. Not going to say sound deadening is going to significantly quiet anything on a soft top but it will make the truck seem more solid and less of a rattle can.
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  #9  
Old February 12th, 2015, 01:20 PM
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Mark Miller
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I recently added some fatmat under the bonnet, and it seems to be 10 to 15 % quiter...
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  #10  
Old February 12th, 2015, 01:23 PM
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That would be way worse than rupturing them.
Yeah, she takes it to another level.
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  #11  
Old February 12th, 2015, 05:21 PM
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Scott Preston
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Spray on Bedliner is a great option for the back. It will get rid of all the rattles. The other best option already mentioned is using sound proof matting such as Dynamat. It's really the way to go. I typically avoid using the name brand stuff as they are very proud of their name and charge for it. If you go online to McMaster Carr you and get asphalt acoustical self adhesive matting. Basically Dynamat w/o the logo and high price. You can do the whole truck for 1/3 rd of what Dynamat costs. I do use dynamat High heat on the inside of the bonnet as I have yet to find a cheaper option. Hope this helps.

Cheers,
Scott
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  #12  
Old February 12th, 2015, 05:38 PM
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Dave: I see you are in the UK.
There may well still be lots of soundproofing companies there that sell pre cut custom kits.
I've followed the various threads here and used the google. You'll find plenty of dynamat vendors and others selling the same type of stuff. You can even find companies selling sound proofing paint!
What you put over the soundproofing is important to protect it from damage.
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  #13  
Old February 12th, 2015, 06:16 PM
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I would personally recommend: http://www.mcmaster.com/#sound-absorbers/=vvs2iy

I'm really not a fan of anything that uses adhesive to stick to the panels of the truck, especially if you're the unlucky guy who has to restore the truck.
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  #14  
Old February 12th, 2015, 07:06 PM
dsimpson96
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David Simpson
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Quote:
Originally Posted by defender1844 View Post
I'm using Dynamat on the inside of my doors and on my tub. I bought the Exmoor 3 piece rubber mat set to cover the seat areas and floor/tunnel area. Can't comment yet on noise reduction(truck is being painted) but others have told me it does a great job. I've got a soft top. Not going to say sound deadening is going to significantly quiet anything on a soft top but it will make the truck seem more solid and less of a rattle can.
yeah I've only really heard of dynamat, all the YouTube videos seem to say dynamat extreme or whatever it is. but yeah the exmoor mat set is something I want to buy.

------ Follow up post added February 13th, 2015 01:07 AM ------

Quote:
Originally Posted by Greenbull View Post
I recently added some fatmat under the bonnet, and it seems to be 10 to 15 % quiter...
I think something under the bonnet is a must, too noisy!!
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  #15  
Old February 12th, 2015, 07:41 PM
dsimpson96
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David Simpson
1991 Defender 90
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Quote:
Originally Posted by roverx View Post
Spray on Bedliner is a great option for the back. It will get rid of all the rattles. The other best option already mentioned is using sound proof matting such as Dynamat. It's really the way to go. I typically avoid using the name brand stuff as they are very proud of their name and charge for it. If you go online to McMaster Carr you and get asphalt acoustical self adhesive matting. Basically Dynamat w/o the logo and high price. You can do the whole truck for 1/3 rd of what Dynamat costs. I do use dynamat High heat on the inside of the bonnet as I have yet to find a cheaper option. Hope this helps. Cheers, Scott
Cheers Scott for the advice, going to have a long search on the internet for the best prices, as I'm not sure whether I'm dedicated to spend 400/300 on some mats yet.
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  #16  
Old February 13th, 2015, 12:24 PM
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john
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worth mentioning ….dynamat does not use asphalt. Yes you can get sound proofing for a third of the cost but if you would prefer the truck not smell like a freshly paved road on a hot summer day than pay the extra money. if you (or often more importantly the wife) doesnt mind the smell than go for the cheap stuff.
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  #17  
Old February 13th, 2015, 12:52 PM
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Quote:
Originally Posted by phoenix37 View Post
worth mentioning is that dynamat does not use asphalt. Yes you can get sound proofing for a third of the cost but if you would prefer the truck not smell like a freshly paved road on a hot summer day than pay the extra money. if you (or often more importantly the wife) doesnt mind the smell than go for the cheap stuff.
X2 not same
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  #18  
Old February 17th, 2015, 03:45 PM
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Ryan
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I added dynamat in my 90 and it made a big difference! I put it in the doors and the whole tub under the carpets.
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  #19  
Old February 17th, 2015, 03:48 PM
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john
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has anyone done a before and after with a db meter?
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  #20  
Old February 17th, 2015, 03:51 PM
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