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Old 10-25-2010, 06:16 PM   #1
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Corner Shower Tipping Over

I have a 2006 Safari with the rear corner shower. I was up on the horrific interstate highways of Wisconsin where the trailer really takes a beating and I lost all the screws that hold the shower stall to the ceiling.

The shower has actually rocked back over three inches and is most likely leaning against the wall. Surely those ceiling screws don't support the entire weight of the shower and some kind of large shim must have shifted out from under the shower floor.

What's the best way to approach fixing this? I'm thinking I'll need to remove the bed just to get a look under the shower from the side. I'm hoping I can get it taken care of before the stress cracks my plumbing.

Has anyone else had this problem?
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Old 10-25-2010, 07:29 PM   #2
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It is not uncommon to hang a one piece tub assembly from the top flange. I installed a one piece American Standard tub in my home 30 years ago. At that time I talked to the company engineers and questioned the fact that they did not call for any support under the tub itself. That assembly has lasted to date.

Now that said I think I used more than 10 screws to set that assembly and it was however supported on 3 sides. Looks like Airstream had a screw shortage, I see 2 holes, the day they made your rig. I also looks like the trailer rib is just forward of the screws meant to hold the tub.

Now the fact that the tub had enough room to move back close to 3 in. at the top causes one to question if the tub was placed too far forward when installed and lost any support that may have been designed into the frame. All in all it is very poor workmanship.

With the folding frames recently noted on this forum and this level of workmanship looks like Thor is dropping to SOB standards.

Not that you want to hear this but I would almost think you should remove the shower assembly completely and see if you can determine how it should have been installed originally. Just replacing those 2 screws is not the solution.
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Old 10-25-2010, 07:33 PM   #3
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Ouch - that doesn't look good.

In addition to asking the question on this forum - you might also want to call the Airstream folks in Jackson Center - at least they'd be able to tell you if it's a big deal or a little deal - and should be able to give you enough basic information to make the choice between tackling it yourself - or driving down the road to the Service Center Terreport.

Really interested to see how this turn out.

Good Luck,



Jay
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Old 11-08-2010, 04:57 PM   #4
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The Teardown

Just finished with the last Airstream Rally of the season and I have two weeks before deer season to fix this shower.

I started by removing the mattress.


Then I removed the top plywood of the bed. I've owned the trailer for three summers and I didn't know those two extra small bins were back there!


The entire bed assembly comes out easily in one piece and you can see that tiny cutout where the drain comes through the wall. That's what I stuck the camera through to take the following photos.
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Old 11-08-2010, 05:08 PM   #5
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The View Below While Fallen

I stuck the camera through that tiny cutout and took the following photos with the shower in its current, fallen position.

The good news is that it looks like the fiberglass is sitting on the floor so I don't have to worry about too much pressure on the plumbing in its current state.

The bad news is that I expected to see a large shim or piece of lumber that the shower used to rest on. That's not there.

This photo is looking toward the rear-curbside corner of the trailer under the shower. You can see the black water tank which runs above the floor under both the toilet and seat of the shower.


This photo looks straight through the cutout toward the curbside of the trailer. It appears that the drain goes through the floor right under the shower, but it also travels through the cutout, under the bed to an air vent, then through the floor under the bed. Interesting.
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Old 11-08-2010, 05:16 PM   #6
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The View Below As It Should Be

I pulled the shower back into place and replaced the screws holding the shower enclosure into the ceiling. There's no way those screws hold the weight of the shower. They're twisting under the pressure right now without the weight of a person in the shower.

So these photos show what it should look like under the shower if it were in the proper, upright position. As you can see in this first picture, there's no shim unless it's way back there in the shadow. The gap appears to be exactly 1-1/2 inches so I'm going to try placing a piece of 2x8 under their to support the weight.


This photo is looking forward toward the toilet in front of the shower and you can see the hot water line for the shower. Nothing looks unusual here.
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Old 11-08-2010, 05:18 PM   #7
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Your pictures in post #5. The first shows the left side of the shower stall sitting down on the floor and some of the fiber glass splintering away. The second shows about a 1/2 in. clearance under the same section of the shower. Can I assume the shower is tipped towards the left with respect to the pictures and that there was NO SUPPORT under the shower directly to the floor?
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Old 11-08-2010, 05:18 PM   #8
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At this point I'm finished for the night. My plan is to enlarge the cutout so I can get better access to the space below the shower. I'm thinking the piece of 2x8 will be an easy fix to hold the shower where it belongs. More photos to follow once I start cutting.
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Old 11-08-2010, 05:21 PM   #9
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Originally Posted by HowieE View Post
Your last 2 pictures. The first shows the left side of the shower stall sitting down on the floor and some of the fiber glass splintering away. The second shows about a 1/2 in. clearance under the same section of the shower. Can I assume the shower is tipped towards the left with respect to the pictures and that there was NO SUPPORT under the shower directly to the floor?
That's exactly right. The left side of the photos is toward the rear of the trailer, so the shower has actually rocked back toward the rear of the trailer. I don't see any kind of support unless it vibrated back into the shadow against the rear wall. I'll find out when I cut open the wall.

There must have been some kind of support back there because I weigh 275 pounds and those screws in the ceiling would have snapped off like toothpicks if there was no support below.
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Old 11-08-2010, 05:29 PM   #10
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You may want to check the top of the holding tank. If the connection is close to the edge that much drop may have cracked the tank connection.

I would definitely call JC and make sure that shower can be supported from the bottom. Often fiberglass tube are supported from the top to insure the inside of the bottom of the tub is stressed in compression rather than tension. In my house I have one of each type. American Standard supported from the top and Kohler supported by a layer of thin set floated under the complete bottom.
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Old 11-09-2010, 08:03 PM   #11
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Here are the photos again since I noticed the links broke.

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Old 11-09-2010, 08:05 PM   #12
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From post 5:
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Old 11-09-2010, 08:08 PM   #13
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From post 6:
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Old 11-09-2010, 11:21 PM   #14
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Quote:
Originally Posted by TinLoaf View Post
From post 6:
Well I was afraid there might be floor failure. There are issues with water standing on the rear bumper working its way in behind the trim band. It's bad design, and any little flaw in sealing the trim band just lets in a huge amount. I caught some leakage in mine thanks to a warning here - just used a product similar to Rot Doctor and
From what I can see it doesn't look like there is a frame problem or that there are any broken outriggers - that was my initial fear.

I agree with others. Call Jackson Center. Of course I think you can get service manuals online using the Airstream website. Sure looks like it ought to have some kind of bracing under there. I wonder if the back edge of the fiberglass didn't wear down?

Good luck fixing it. Glad you found that extra storage.

Paula
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