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Old 02-14-2012, 02:27 PM   #4291
Geek
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Location: 8000ft, Twin Spruce Gap, Colorado
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I run Damplifier Pro as my base vibration layer. Any of the brand names are fine.. just stay away from the asphalt based ones (like the roofing stuff you find at home depot that some people recommend) as the asphalt based stuff will run/make a mess in the heat. The brand name products are butyl rubber instead of asphalt. Basically mass = effective so heavier is better.

The damplifier/dynamat/fatmat layers are more anti-vibration than noise barrier. They get rid of rattles & such caused by vibrations (like from a subwoofer) and should be used to change the frequency of any body panel vibrates.

They are not a noise barrier.

A contiguous layer of mass loaded vinyl is the number one thing you can do to stop sound! It is a NOISE barrier.

Luxury Liner is a mass loaded vinyl (one of many available).
Luxuxry Liner Pro is that MLV bonded with CCF foam... the CCF foam is kind of the "final piece" in that it is a high frequency arrestor (and overkill).

I used Damplifier and then Luxury Liner Pro as my sound barrier.
They made me a deal because of the quantity I bought that made the upgrade from Luxury Liner to LLP @ no charge so I figured why not.

Here's a photo of my Luxury Liner Pro:



this stuff is HEAVY (and that mass is what stops sound) - I purchased 468 lbs of it.



This is what my floor looks like under the floor - all that black stuff is mass loaded vinyl:


Thus far my van is about 2/3 sound proofed and it is much quieter inside than an average automobile (it was a hollow drum when I started). My goal is "Mercedes S Class" quiet when I'm done. I don't know if that can be achieved with the huge windows but we'll see.

There are lots more details on sound damping in my van build thread:
http://advrider.com/forums/showthread.php?t=715683

Hope this helps

Geek screwed with this post 02-14-2012 at 02:36 PM
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Old 02-14-2012, 02:31 PM   #4292
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Final thought on sound damping:

If you are on a budget and want to quiet a van... start at the bottom and work up as most of your noise comes from the road.

1) do the footwells between you and the motor

2) do the floor behind you

3) do the doors around you


That will make more than a 60% noise reduction in the average van.
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Old 02-14-2012, 02:34 PM   #4293
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One more "final thought"

You can chase noise forever.
As I have made the van quieter and quieter you notice new sounds (that were drowned out previously). Currently I can hear the noise of the wind flowing over my windshield. I don't think I can do much about that

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Old 02-14-2012, 02:40 PM   #4294
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Quote:
Originally Posted by Geek View Post
Final thought on sound damping:

If you are on a budget and want to quiet a van... start at the bottom and work up as most of your noise comes from the road.

1) do the footwells between you and the motor

2) do the floor behind you

3) do the doors around you


That will make more than a 60% noise reduction in the average van.
I really need to do my footwells.
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Old 02-14-2012, 03:16 PM   #4295
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Originally Posted by trailer Rails View Post
I don't see any need for all/4 wheel drive if all you do is drive on the road. All it does is make the drive train more complicated and add several hundred pounds to the vehicle. It also adds to the price. Where I live we get plenty of snow and ice. I run 4 good snow tires and I can go anywhere I want. All 4wd does is allow you get moving faster when conditions are crappy and then hit other objects harder when you cant stop or turn. All vehicles have 4 wheel brakes and 2 wheel steering.

Now for offroad driving, I can see the need for 4wd. But as you have proven in the above pictures, it is not really necessary either.
I feel the intense need to debate but...no.
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Old 02-14-2012, 04:25 PM   #4296
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Quote:
Originally Posted by Geek View Post
.... I can hear the noise of the wind flowing over my windshield....
this is why i am reluctant to put roof racks on any vehicle. in the windshield instance, would one of those bug deflector gadgets change anything?

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Old 02-14-2012, 04:47 PM   #4297
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Quote:
Originally Posted by mark883 View Post
Let's soundproof this thing!



Well, maybe not soundPROOF, but at least a little less loud.



Do this to your doors, and they actually sound like a Mercedes when you slam the door.

Next up, is the roof, which is actually a Giant Tin Tympani Drum.
That sticker on the steering wheel makes it fast though!
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Old 02-14-2012, 04:57 PM   #4298
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Hey Ford van dudes! Buy my van for cheap and get new tires and nice rims. Plunder it for parts!http://advrider.com/forums/showthread.php?t=764586
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Old 02-14-2012, 05:00 PM   #4299
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Originally Posted by Mr. J View Post
this is why i am reluctant to put roof racks on any vehicle. in the windshield instance, would one of those bug deflector gadgets change anything?

I wondered about that.. the thing is that it is a mighty steep/short nose and my head is 5 feet above that deflector.
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Old 02-14-2012, 07:12 PM   #4300
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Old 02-14-2012, 07:14 PM   #4301
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Scarlet Fever













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Old 02-14-2012, 08:03 PM   #4302
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Saw this coming out of Mexico in Douglas, Az. It probably 6-8 blocks headed north from the border crossong with Agua Prieta. Sorry about the crappy photo, it was on the fly and I kinda saw it at the last moment. My main concern was getting a good hot shower. It's like a miniature VW bus, length about 10lf and height aout 5lf challanged.

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Old 02-14-2012, 08:03 PM   #4303
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Originally Posted by johnson357 View Post
That sticker on the steering wheel makes it fast though!

Wondered when you'd show up.... the poor van is just glad the monkey sticker is still attached.

But that sticker is not going anywhere... there's probably a dead goat head hiding underneath it.

Looks like a Sprinter yard sale in my Dad's barn.


Geek- thanks for the handy info. I won't be doing the floor under the cargo area, but anything I can do to make the cab quieter will help. I'm going to work on the slider door too. That's a like a steel barrel.
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Old 02-14-2012, 08:05 PM   #4304
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So, my van has a cargo area on the roof, but no ladder to get up there.

Who / where has the best ladders for climbing up? My searches only show ladder racks.

Thanks.
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Old 02-14-2012, 08:11 PM   #4305
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So, my van has a cargo area on the roof, but no ladder to get up there.

Who / where has the best ladders for climbing up? My searches only show ladder racks.

Thanks.
I've bought a few things from these guys:

http://www.trucknvans.com/Van-RV-Lad...ries-s/747.htm
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