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Old 03-13-2024, 08:14 PM   #1
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Brand: Thor Motor Coach
Model: Chateau 22E
State: California
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THOR #31946
Chateau Bath tub Gap

Just found out my 2024 Chateau 22E bath tub has a gap between the bottom of the wall and the pan under my feet from the front to the back. The dealer service center told me the pan has a wall that's approx. two fee tall behind the wall. Advised me not to caulk the gap which may cause mold to grow inside. Seems like a strange design. Is that true? Need advice from someone have seen this before.

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Old 03-13-2024, 08:47 PM   #2
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Model: ACE 27.1
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THOR #7035
Multiple threads here about that "gap". Advice is good. Some have ignored it and caulked anyway.
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Old 03-13-2024, 09:01 PM   #3
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Originally Posted by 16ACE27 View Post
Multiple threads here about that "gap". Advice is good. Some have ignored it and caulked anyway.
Thanks for your response. I was sort of ignorant on this. By the way, it's the shower, not batch tub.
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Old 03-13-2024, 11:43 PM   #4
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I have heard that the gap allows air flow behind the shower wall and should not be caulked. I left both of my shower gaps to remain the way they came from Thor with the gap.

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Old 03-14-2024, 07:28 AM   #5
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THOR #31946
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Originally Posted by paulwadley View Post
I have heard that the gap allows air flow behind the shower wall and should not be caulked. I left both of my shower gaps to remain the way they came from Thor with the gap.

Paul
Thanks Paul. Good to know the design is for ventilation, to prevent the structure behind the shower wall to grow mold?
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Old 03-14-2024, 02:12 PM   #6
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Model: 2022 Tellaro 20L
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THOR #30506
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Originally Posted by RetiredTorng View Post
Just found out my 2024 Chateau 22E bath tub has a gap between the bottom of the wall and the pan under my feet from the front to the back. The dealer service center told me the pan has a wall that's approx. two fee tall behind the wall. Advised me not to caulk the gap which may cause mold to grow inside. Seems like a strange design. Is that true? Need advice from someone have seen this before.
Double edged sword here- 2' high? That makes it even more prone to mold. I would verify that somehow. If I were the manufacturer, I would want to minimise the material usage and use only bare minimum. 2" is all you need. I've never seen any flashing on a house taller than 2" and a house can get some high winds, but those winds can also dry it out. So best to inspect periodically- blackening is one thing to watch for, at the edge.
If that is 2' tall, and get water behind- it could capillary back up more and not be able to dry out. I would not caulk either, but if you get repeated mold growth, then consider sealing it. I'd just use mold/mildew cleaner each time.
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Old 03-14-2024, 04:49 PM   #7
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Originally Posted by Mark54 View Post
Double edged sword here- 2' high? That makes it even more prone to mold. I would verify that somehow. If I were the manufacturer, I would want to minimise the material usage and use only bare minimum. 2" is all you need. I've never seen any flashing on a house taller than 2" and a house can get some high winds, but those winds can also dry it out. So best to inspect periodically- blackening is one thing to watch for, at the edge.
If that is 2' tall, and get water behind- it could capillary back up more and not be able to dry out. I would not caulk either, but if you get repeated mold growth, then consider sealing it. I'd just use mold/mildew cleaner each time.
Based on dealer service manager's hand gesture, I believe it' 2 feet, I could be wrong. I agree 2" is probably enough, over that, the water would spill over the shower pan to the bath room. I don't think my plumbing is capable of doing that. But then again, 2' will definitely cool and stop moisture beyond the water level. Thanks for your comment.
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Old 03-20-2024, 06:37 PM   #8
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Mine is the same way. It can't be one piece otherwise it would break from flexing. Caulking either wouldn't hold or would promote mold. I keep an eye on it and have never had any mold issues.
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