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Old 07-16-2016, 12:53 PM   #1
Senior Member
Brand: Thor Motor Coach
Model: Synergy TT24
State: West Virginia
Posts: 152
THOR #3433
Exterior condensation versus insulation

I have noticed locations on our RV where there are areas of condensation on the exterior surfaces and some places where there is no condensation on exterior surfaces. This makes me wonder how much insulation was installed or if I even have a problem. About the only place I have actual proof of no insulation is behind the back bedroom cabinets, and there is exterior condensation at that location. Thor didn't secure the inside wall boards inside these cabinets and when I pulled one out I could see the back side of the fiberglass end cap and the wiring for the camera and marker lights. I have removed some of the ceiling LED fixtures in the main coach and there was some evidence of expanded foam insulation there and batt-style insulation around the LED fixtures in the molded fiberglass cab area.

This photo is the outside of the rear cap with condensation only apparent near the top where the insulation is known to be missing.

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This photo shows condensation on the side wall. Notice that there is no condensation above the coach door.

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This photo is of the opposite side. Notice that there no apparent condensation seen on the exterior surfaces of the living areas.

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I would appreciate any thoughtful comments on if this is a problem or not. The RV is still under warranty and I have it scheduled for repair work on Aug. 11 and would like to be able to discuss this with the service manager - who is a really good guy to work with.

Thanks in advance for your help!
Ed & Robin Lively
with Nina, Kitt, and Mickey
2016 Thor Synergy TT24 (a.k.a "Ming")
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