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Old 07-28-2016, 11:01 AM   #11
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Join Date: Jun 2013
Location: Brazoria County, Texas
Posts: 1,265
I just looked at my 2017. It's enclosed up to the inside of the frame I beams just like the picture in post 2.

2012 Chevy Tahoe LTZ - HD tow package
2017 Rockwood 2703WS Emerald Edition
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Old 07-28-2016, 03:20 PM   #12
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Join Date: Aug 2015
Posts: 195
Honestly the coroplast covering is probably more likely to be an attraction is it provides a sheltered place to live.

That said my impression on my 2604WS is that the covering between the frame rails is fairly well sealed up. They do cut/hack holes for plumbing egress but they they shoot them up with black expanding foam.

The open sides are just the plastic covering over the trailer deck. The deck is about a 1/4" plywood sheet on top and on bottom with about 1 1/2" foam core. After the tanks and some wiring, this is the first part put on the trailer during construction.

They put a lot less holes in the bottom of the deck than they could. As an example the water hoses from the water pump and wires do not pass under nor over that deck, they actually pass *through* the deck in between the skins.

When they do put in a hole they are pretty crude about it though but they must get a great deal on black expanding foam because they use enough of it.

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Old 07-28-2016, 04:31 PM   #13
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Originally Posted by stevejahr View Post
they must get a great deal on black expanding foam because they use enough of it.
As someone who loves expanded foam this is music to my ears =)

Actually your entire post was extremely knowledgeable and helpful. Thank you so much!!

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rockwood, underbelly

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