Interior sound insulation/noisekiller - Defender Source
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  #1  
Old May 27th, 2015, 01:17 PM
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John
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Interior sound insulation/noisekiller

What is the current thinking on the best product to apply to roof, side panels and tub to mitigate noise/boom/vibration, and maybe also help to insulate the interior a bit better in cold weather? Lots of different products out there, Dynaliner etc. some butyl based some not. I ideally would want both sound deadening and heat insulating.

Thanks!
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  #2  
Old May 27th, 2015, 01:24 PM
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Bill Adams
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sounddeadenershowdown.com
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1966 109 5 door wagon 300Tdi "spermaceti fueled"
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  #3  
Old May 27th, 2015, 01:46 PM
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brandon curry
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I'm going for the LineX approach on the floor.
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Old May 27th, 2015, 01:56 PM
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Quote:
Originally Posted by curry View Post
I'm going for the LineX approach on the floor.
Been there, done that. Happy with it for many reasons, but NVH control is not one of them.
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  #5  
Old May 27th, 2015, 02:21 PM
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Quote:
Originally Posted by o2batsea View Post
Many thanks, that is a great website. But wow. Expensive. Would be $800+, not including shipping, for the materials. But he seems to know what he is talking about.
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  #6  
Old May 27th, 2015, 02:35 PM
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Bill Adams
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You can probably source those things locally. The vinyl sheet is about 1/8" thick. The foam is about the same thickness. Just do a google search for those.
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1966 109 5 door wagon 300Tdi "spermaceti fueled"
1994 RRC LeWiB "ruining the air behind me"
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  #7  
Old May 27th, 2015, 02:43 PM
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If you're on a tight budget, buy some camping sleeping mat. Some are. Closed cell and witha bit of contact glue it cut down the noise and keep it warm. I have a 110 van and winter in Québec is -20/-30. As sound proofing it is a couple of db quieter. It won't ever be as a modern car but every bits help. Try and do the seat base and inside bulkhead with the same material it really helps!
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  #8  
Old May 27th, 2015, 04:32 PM
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Darby Richards
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I have a defender 110 with a 200tdi
I installed the CLD tiles in the footwells and seat box along with mass loaded vinyl in the seat boxes. I installed the Exmoor trim / Wright offroad for the seat box, footwell and side kicks.
In the roof/side panels I went with the CLD tiles and the 3m Thinsulate.
These items made a BIG difference regarding sound and as an added plus, much cooler in the footwells in the summer.
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Old May 27th, 2015, 06:06 PM
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Bed liner does NOT work.. AT ALL.

boom mat etc are exactly "peel and seal". There's a stereo guy on the internet that jokingly sells peel and seal with his logo on it for twice the price of peel and seal...right next to peel and seal. letting people know exactly what he's doing, and they still buy his branded one.

The rover loves to "ring". The cheap construction of defenders makes the panels like kettle drums. I found putting a square of peel and seal in the middle of my doors lowered a lot of the ruckus by changing the resonance of the stupid cheapo body.

That being said. Its a farm tractor/service vehicle. It will never not be.
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  #10  
Old May 27th, 2015, 07:26 PM
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Chris
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McMaster Carr same as dynamat without the expensive logo
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  #11  
Old May 27th, 2015, 07:29 PM
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Ben
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you'll find this to be about 1/20th the cost of dyna mat
Shop Peel & Seal Instant Waterproof Repairs 6-in x 25-ft Aluminum Roll Flashing for Chimneys, Roofs, Doors, Vents, Gutters, and Egress Windows at Lowes.com
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  #12  
Old May 27th, 2015, 07:39 PM
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The stuff I like is called 'Frost King.' It is for insulating ducts. It comes in long rolls has thick Aluminum foil on top of 3/16 of foam in a peel and stick on configuration. Come in several widths, I get the 12" rolls. Available at Home Depot in the HVAC department. It does help to spray a bit of Scotch 77 adhesive on the surface. It is also inexpensive
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  #13  
Old May 27th, 2015, 09:13 PM
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Ben
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6 inches of expanding foam would probably work well too...
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  #14  
Old May 28th, 2015, 07:59 PM
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Jeff Labbé
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Or you could have urethane spray all over the roof. Up to the thickness of the ribs. Not only will it stop the rattling but will keep it cool/warm. Not the stuff you find at home depot but the one professionally sprayed in you house basement.
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  #15  
Old May 28th, 2015, 08:05 PM
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Currently applying this exact stuff. Will post updates once finished.
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  #16  
Old May 28th, 2015, 08:11 PM
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I have dynamat extreme and then 1/8 and 1/4 dynaliner on top depending on location, very quiet inside.
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