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02-05-2017, 09:11 PM
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#1
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Nov 2016
Location: Central Jersey
Posts: 197
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Roof Bubble
Sorry if this question has been answered already in another post.
Is a roof bubble a bad thing???
Our 07 Bounder has about a 3 foot section of roof material that seems to be loose from the under surface. It is intact, not ripped, but this section is in front of the lead AC and we wonder why the rest of the roof seems bonded but this is not.
Could it indicate a leak? How can we get to the AC flange to check it?
Any help is appreciated.
Richard & Violet
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02-05-2017, 10:06 PM
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#2
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Senior Member
Join Date: Aug 2016
Posts: 180
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Quote:
Originally Posted by BLE373
Sorry if this question has been answered already in another post.
Is a roof bubble a bad thing???
Our 07 Bounder has about a 3 foot section of roof material that seems to be loose from the under surface. It is intact, not ripped, but this section is in front of the lead AC and we wonder why the rest of the roof seems bonded but this is not.
Could it indicate a leak? How can we get to the AC flange to check it?
Any help is appreciated.
Richard & Violet
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I would say moisture/leak/ delamination. That is reason I am redoing mine this year. Either way, you will be making a decision on whether to slit, inspect, re-glue and patch kinda depends on condition of material at this point, or ignore. Ignoring is not wise.
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02-06-2017, 02:35 AM
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#3
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Senior Member
Join Date: Mar 2015
Location: Greensboro, NC
Posts: 2,986
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x2 what Crazee1 said.
My AC is removed by taking the inside grill down. With the grill off the wiring and mounting bolts are accessible.
I would recommend repairing, sooner the better. I neglected a roof leak on a DP I had years ago and regretted it when the water got into the side wall and caused the fiberglass panel to delaminate.
__________________
1998 Min Winnie, 2000 Winbago Journey, 2015 ACE 29.3
2016 Thor Miramar 34.2
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02-06-2017, 04:05 AM
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#4
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Senior Member
Join Date: Aug 2016
Posts: 3,400
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02-06-2017, 07:58 AM
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#5
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Nov 2016
Location: Central Jersey
Posts: 197
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Thanks for the commercial.
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02-06-2017, 08:02 AM
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#6
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Nov 2016
Location: Central Jersey
Posts: 197
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Thanks for the AC removal procedure.
Then the bubble means we have a roof leak at the first AC which caused the roof material to delaminate in that area.
We will check this out ASAP.
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02-06-2017, 12:40 PM
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#7
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Senior Member
Join Date: Nov 2008
Location: Kennewick, Washington
Posts: 414
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I would look into it, but it does not mean that you have a leak. Since it is in front of the front AC unit, it could be that the adhesion was not complete or good in that area. Just normal driving can cause a turbulence in front of the AC unit and possibly lift the TPO, causing the bubble (aerodynamics). If you find there is no damage under the bubble, just apply the correct glue, under the loose material, and roll it down. Make sure you use the recommended glue to not harm the roofing material.
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02-06-2017, 01:15 PM
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#8
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Senior Member
Join Date: Nov 2011
Location: Full time RV'er
Posts: 5,528
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If this will be a DIY project, removing the AC and all, get yourself a new seal kit for the AC. Inspect the roof and note that delaminated plywood (if that's what's up there...I don't know about yours, I do know some RVs have plywood) can be restored using special, and no doubt expensive, marine adhesives so if there is a marina nearby they'd be a good resource to look into for adhesives.
Also check Amazon for Eternabond tape if you just end up slicing the roofing to burst the bubble. It'll seal up the cut forever.
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02-06-2017, 05:55 PM
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#9
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Senior Member
Join Date: Nov 2008
Location: Kennewick, Washington
Posts: 414
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Quote:
Originally Posted by Jim_HiTek
If this will be a DIY project, removing the AC and all, get yourself a new seal kit for the AC. Inspect the roof and note that delaminated plywood (if that's what's up there...I don't know about yours, I do know some RVs have plywood) can be restored using special, and no doubt expensive, marine adhesives so if there is a marina nearby they'd be a good resource to look into for adhesives.
Also check Amazon for Eternabond tape if you just end up slicing the roofing to burst the bubble. It'll seal up the cut forever.
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True, but if you do not re-glue the TPO to the roof sub-sheeting, it will just billow again.
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