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Old 04-03-2014, 01:06 AM   #1
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Join Date: Apr 2014
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Newbie with a leaking roof (class B+)

Hi all!

I recently purchased a 2003 Trail Lite b+ 211s. My unit is in good shape, and I'm excited with it.
I'm new to the world of RVs, but I did notice a some water leakage towards the front. looks like it's coming form the roof connection with fiberglass body.

I tried to seal it with dicor products, OMG Everseal tape, and another type of flexible caulk, but nothing seems to stick to the roof.

So I have a few questions:
1) I can see lot's of tar like sealant on the roof, I wanted to know if this is OEM, or something someone had applied along the way. If OEM, what material is this? should I use the same?
2) Is the roof on this unit known to be stubborn? what material should I use to seal the edges then?
3) It's been 10+ years, should I coat it with some sort of Liquid Roof / Rubber Roof. Will this help me seal it better?

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Old 04-03-2014, 06:43 AM   #2
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See if you can post pictures so others can help. On ours it looks like they used Self-Leveling Dicor Lap Seal all over. I think the trick is to remove the old seal and have a very clean surface before applying new seal. Good luck.
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Old 04-04-2014, 11:48 AM   #3
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On my rig there is a transition strip between the fiberglass cap and the dicor roof thats made of extruded aluminum and has 1&1/2 inch screws through it and through the cap into the framing underneath. It's important to note that under the transition strip there is a layer of butyl tape and after all is screwed down it's all covered over with self leveling dicor sealant to make it water tight.
-Paul R. Haller-
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leak, newbie, roof

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