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Old 07-13-2019, 06:09 PM   #1
Junior Member
 
Brand: Still Looking
State: Alabama
Posts: 15
THOR #15851
Rust Underneath NEW RV Already?!

Hello, fellow Thor(n-in-the-siders )!

The 2020 Chateau 25V purchased a month ago in Albuquerque had around 1400 miles on it, having been driven to the dealership from the Indiana factory. Any road salt will betray a lack of “due diligence” in coating all rust-prone components underneath.

Nip that $h!T in the bud with a $4 can of Krylon Undercoating! Use short bursts or it can get MESSY! Just spray over the rust. It’ll hold...and you’ll sleep better at night, knowing you took authority over the corrosive environment!
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Old 09-02-2020, 06:05 PM   #2
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Brand: Thor Motor Coach
Model: Chateau 28Z
State: Illinois
Posts: 36
THOR #20269
I have the same on my 2020 Chateau 28z. Surprised that they are not undercoated before they start the buildup. I followed your advice. Much better after a couple of cans of Krylon. I'm less concerned about the main structural beams as I am about the 3/4" angle iron holding up various parts/trim etc. That stuff will rust through in a couple of years. I'm in IL. Don't plan to drive in snow and salted roads but will need to take it out for exercise on dry days in the winter. I think the undercoating will be a once a year job.
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Old 09-02-2020, 06:35 PM   #3
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Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,089
THOR #8860
Soince the chassis might sit for a year before Thor nails a house ob top of it: they're exposed to all sorts of weather in the interim...
Krylon covers a lot of sins...
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Old 09-02-2020, 07:31 PM   #4
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Brand: Entegra
Model: Accolade 37TS
State: South Carolina
Posts: 7,305
THOR #1469
Nothing new. This issue is years old.
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