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Old 01-14-2010, 03:59 PM   #1
struckachord
 
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Question 2007 170" Cargo factory floor - what's under it?

Hi all,

Just a quick question about the floor of our sprinter - I have seen a lot of flooring options in several forums on the topic of DIY flooring "sandwiches"...but here's our issue:

We have what seems to be a really nice factory floor in our 2007 2500 170" cargo. The one with the D-rings for lashing. It's like a grey board of somekind. If converting to a camper, is there any reason to pull this floor up and do any mods to the floor? We plan on covering the floor with something more decorative...

I just can't seem to figure out what the floor "sandwhich" is in a factory floor in our cargo. The van is practically brand new, used for six months as some kind of demo...

Thanks for any help on this

Lisa
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Old 01-14-2010, 11:02 PM   #2
teamtexas
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Default Re: 2007 170" Cargo factory floor - what's under it?

I'm not sure if my 2003 is the same, but I pulled up a floor just like you described. It's some kind of a fiber coated plywood that is well built. Under it is a black sound deading/insulation type material. You can see some pics of what it looked like on post # 36 of the in progress build here http://sprinter-source.com/forum/sho...?t=7704&page=4

Dan
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Old 01-14-2010, 11:12 PM   #3
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Default Re: 2007 170" Cargo factory floor - what's under it?

Quote:
Originally Posted by struckachord View Post
If converting to a camper, is there any reason to pull this floor up and do any mods to the floor? We plan on covering the floor with something more decorative...
If you remove it, you still need to have some type of subfloor for the decorative floor covering because the metal beneath it is ribbed. I would leave it.
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Old 01-14-2010, 11:24 PM   #4
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Default Re: 2007 170" Cargo factory floor - what's under it?

I feel the same way, and if it is the same as Dan's van, Mona, there seems to be some kind of rubber soundproofing anyway - and it's a damn nice floor! So, unless there is some really persuasive reason to mess with it, I think I will just leave it.
BTW sikwan, nice sleeping conversion in your van. Very inventive.
Lisa
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Old 01-14-2010, 11:35 PM   #5
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Default Re: 2007 170" Cargo factory floor - what's under it?

Under that floor is a really weak deadener / decoupler. You might want to replace it if road noise is going to be an issue for you. The wheel wells are going to be more of a noise source for you. Even if you upgrade the deadener thats there, putting the old floor back in is a good option. Then you can put your finish floor on that very solid base.

I didn't pull the floor, although I did remove a small portion during the Espar installation. Instead, I went with a heavy rubber for my finished decorative floor. Got a finish I liked plus quieted the floor.
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Old 01-15-2010, 05:21 PM   #6
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Default Re: 2007 170" Cargo factory floor - what's under it?

Dynamat is the way to go for sound proofing. Sportsmobile is now offering Dynamat in their conversions!

Rick L
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Old 01-19-2010, 06:58 PM   #7
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Default Re: 2007 170" Cargo factory floor - what's under it?

I ripped that floor out and used it as a tracing stencil for a new floor. It took me most of an afternoon and 3 sheets of 3/4" AC plywood connected end-end with biscuits.

My reasons were:

1) I did not want to have to fill the tie down holes with anything in order to get a completely flat and even surface. The factory floor wasn't all that flat to begin with anyway.

2) I wanted the floor to overhang a bit near the sliding door, as you see done in a lot of conversions to allow you to put some cabinets or whatever in the sliding door opening. Attaching such a feature to the factory floor would be weak.

3) I wanted to make my own sandwich. I used closed cell foam strips to fill in the ribs, then more closed cell foam on top of that. I added in some shims here and there for support, then bolted the whole thing down all the way through the van floor.

On top of all that, I set a marine vinyl floor.

The 3/4" will also be nice for screwing other interior cabinets and such into.

It all turned out really nice, in the end. It's very quiet, attractive and fairly warm for a hard floor.

Last edited by NBB; 01-19-2010 at 07:01 PM.
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