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Old 09-21-2016, 10:51 PM   #1
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Vanguard Class C Motorhome Roof help!

Hi. I have a 23 foot class c vanguard that has a roof leak. It appears to be coming from the back corners. I have a fibreglass roof but along the back of the motorbike there appears to be a cap of some sort. Investigating I put my hand inside this cap thing, and pulled out chucks of rotted wood. Does anyone know what the purpose of this cap thing is? I can't seem to get under it to see if that is where the water is coming in.

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Old 09-22-2016, 05:33 AM   #2
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Picture of "cap thing" would help to identify it. No matter, sounds like you have some serious damage.

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Old 09-22-2016, 12:27 PM   #3
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Here is a picture of the cap I am talking about. I circled it in black. Not sure the purpose of it but all along the top of the roof is where the issue seems to be.
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Old 09-22-2016, 03:38 PM   #4
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If you can put your hand in to any part of that cap and pull out rotted wood,
you have some serious issues. It's hard to tell from that pic, but I assume there is a piece of trim around the edges of that cap, which would have screws under the trim pieces, securing it to the roof and walls.
I'd assume the purpose of it was to give a more "finished" look. Unfortunately if the seams aren't maintained, you get rotted wood.
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