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Old 07-02-2017, 05:22 PM   #1
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sagging fresh water tank (2016 model)

I purchased a 2016 Dutchman aerolite 319bhss 1.5 yrs ago.. this year I noticed when walking in the trailer the floor in front of the entry door is very spongy.My first thought was water damage... I went underneath the trailer and cut open the coroplast and right were it is spongy is where my fresh water holding tank is.Where the tank sits on its edges on the frame rail is fine but in the center of the tank the 2 angle supports they used from factory are bent down in the center aprox 2" causing my spongy floor I suspect.the angle iron is only like 1/8" thick.Is this normal?Ive never had any water in that tank and is empty as I am seasonal at campground and hooked up to city.Any how I have to come up with a fix ...anyone have any ideas?Thx
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Old 07-02-2017, 05:30 PM   #2
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Some pictures might help explain it a bit better.

Based on what you've posted and what I "see" in my mind, sounds like you need new, or supporting angle iron welded in there.
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Old 07-02-2017, 05:43 PM   #3
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The tank supports the bottom of the tank, correct? The floor above the tank is what is spongy-I think it's two different issues. The top of the tank does not support the floor. Is it possible that water entered the door area and soaked the chipboard floor?

So, finding the leak and fixing the floor might be the first thing to do, then, tackle the tank bottom support issue.

And no, I don't think that the factory should have used such meager tank support on an almost new trailer. Send some photos to the factory, maybe they can help!
Bill, Kathi and Zorro; '05 Beaver Patriot Thunder
2012 Sunnybrook Harmony 21FBS (SQEZINN)
2007 Jeep Grand Cherokee Overland
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Old 07-02-2017, 05:46 PM   #4
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I'm getting sloppy-The tank angle iron is what supports the bottom of the tank.....what I meant to say. There are no angle iron pieces on top of the tank, are there?
Bill, Kathi and Zorro; '05 Beaver Patriot Thunder
2012 Sunnybrook Harmony 21FBS (SQEZINN)
2007 Jeep Grand Cherokee Overland
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Old 07-05-2017, 01:59 AM   #5
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Two problems here and both seem to be construction issues. The floor is too thin and the joists are spaced too far apart. That is what we have come to expect from the low quality construction on most but not all trailer. More common on ultra lites.
I don't think you have a water leak issue just poor design and construction.
Every extra dollar added to improve quality means one less dollar in profit. Any construction process that adds to assembly time is less profit.
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fresh water, tank, water

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