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TOPIC: Bubbled roof

Bubbled roof 1 month 4 weeks ago #1

Met a black/red older paint scheme Redwood towed by a white/tan Ram dually heading west bound on I-10 about 10-12 miles east of Casa Grande Arizona about 12:30-1 pm today that had the front 1/3 of the roof membrane bubbled up about a foot. If that was someone on here you definitely need to take a look!

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Travelin' Texans
Former '13 FB owner
Currently rvless!!

Bubbled roof 1 month 4 weeks ago #2


After all the conversations on the forums about this subject, I started looking at RV's while traveling and it is amazing just how many have this problem..

I did the same with my 2020 as I did with my 2016, I took a strip of 6" Eternabond and ran it length wise from side to side across the front and rear seams.

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Bubbled roof 1 month 3 weeks ago #3

  • nw snowbirds
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  • “nw
  • Redwood/2012/31sl
It's my opinion that the separation problem is caused by negative air pressure coming off the front cap as the trailer travels down the highway, and is a result of defective adhesion of the membrane to the sub-structure of the roofing. The shape of the roof, especially on earlier units before the flat roof line, is somewhat like an airfoil (think of airplane wing) that results in negative air pressure sucking the loose membrane upwards.The defective glue job starts separating and the bubble grows over more miles traveled. While it is possible there could be an open seam, it also could be a further result of the membrane being pulled upward. I think the only solution is to reglue the membrane or replace the membrane with a sprayed or rolled on roofing material like polyurea.

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2012 RW31SL chasing 2013 GMC 2500HD Duramax 4WD SRW

North Left Coast, WA

Bubbled roof 1 month 3 weeks ago #4

  • moland
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Same happened to my 2014 38FL. It lasted 3 trips from Missouri to the rally. Took it to Albuquerque last October and up it went. Took it to Florida for the spray on. Still waiting for partial reimbursement from Redwood. Got a email from them stating that, but still waiting, only been a year.

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