Class C roof/wall seam. Tape?

Skin, roof, windows, attachments, basement, etc.
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AlaskaFrank
Posts: 3
Joined: Sun Jun 19, 2022 1:08 am

Class C roof/wall seam. Tape?

Post by AlaskaFrank »

Hi, have read the roof to wall seam on the Class C is prone to leak due to attachment method, e.g. hardware mounted too high.

My coach has minor wall deformed areas from water. Thinking to upgrade the seam with 4” to 8” tape like EternaBond or FlexSeal. Is this a good means to reduce water? If so, how wide tape, how many inches on roof, and how many on the wall? Any pre-tape prep or application tips? If not, what’s best way to improve?

Thanks!
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- AlaskaFrank
1998 Safari Class C with Chevy Vortec 7.4L, original owner
TDJohn
Posts: 552
Joined: Sun Oct 27, 2019 11:34 pm

Re: Class C roof/wall seam. Tape?

Post by TDJohn »

On my class A, I used 6 inch Eternabond vinyl backed tape for the end caps seems, and I cut the tap in half length wise for vent fans and other places that did not need as much tape width. Without seeing the type of roof/wall seem I can't really recommend the with or the application of the tape. I do highly recommend Eternabond tape, it has worked very well on my coach.
John
'95 Serengeti, Cummins C8.3-300
Allison 6spd.
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