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Old 08-23-2017, 03:54 AM   #1
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front cap option/lack of insulation

So I had mentioned in another thread about over the winter in some extreme camping with our new jayco that we had some "condensation" that occurred between the front wall and the mattress. we have the front cap upgrade with the 2 lights controlled by the small switch mounted in the black diamond plating.

So these lights have been getting a faint amount of power on the last weekend trip so I got home and decided to investigate. Come to find out that little CHEAP switch was half melted. I pulled it out and pulled the blade off the rear and clipped and wire nutted safe for now. I put the switch back in with fresh butyl tape and a new tiny bead of sealant.

Things I noticed and figured bring up here first to discuss is there was no insulation evident at the switch, so fingered the hole and nothing but wood inside space. I moved up and pulled the light from the front cap and no insulation there just dead air. I went in, pulled mattress and removed a panel strip at the odd seam and looked into wall up and down and see no evidence of insulation. I can see clear to those lights up inside that cap.

I believe I read and commented on a 5er with some thermal issues at this front wall. Questions, obviously the front wall doesn't seem vacuum laminated as the remainder of unit, correct? What kind of fixes could be available both from Jayco (its a 2017 whitehawk reks) or myself. I am not confident in the dealers or Jayco and wonder if anyone else has identified an issue here or tackled it successfully.

temps the time it was wet was like 10-15 Fahrenheit. only time i really noticed it. But when i pulled the lights in front cap i could feel my ice cold air inside rushing out.
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Old 08-23-2017, 07:40 AM   #2
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Wonder if it would be worth it to try and fill the front caps with spray foam?


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Old 08-23-2017, 07:48 AM   #3
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Unless you ordered the Glacier package that is probably the norm.
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Old 08-23-2017, 09:55 AM   #4
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Here's what I think about insulation in the front cap of my fifth wheel: Insulation Thread
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