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Old 08-26-2013, 12:04 PM   #1
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Bubble in roof

So as per my previous thread, we had a branch fall on the roof and damage the rubber. We had over 2 inches of rain last night and the patches look great. However I noticed that near the one patch there is a bubble.

I never really looked closely at the roof other than when inspecting and cleaning it.

Is a bubble normal? or is it probably air which came in through the small tears and needs pierced, then patched?
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Roof Bubble.jpg   Roof Repair.jpg  
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Old 08-26-2013, 12:11 PM   #2
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I have loose material on my roof, especially around the edges.
If there's no hole, it should be fine. Just monitor.
Seems like where they laid a thin layer of adhesive, you get separation from roof.

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Old 08-26-2013, 12:23 PM   #3
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What do you think of the grey matter patches? Is it worth putting Lap Sealant around them or is the Grey Matter patches good enough?

I watched this: http://rv101.tv/2012/11/14/quick-easy-rv-roof-repair/


and it shows lap sealant around the membrane but not the grey matter patches.
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Old 08-26-2013, 12:53 PM   #4
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The patch looks like Eternabond Tape.
I don't put lap sealant around the patch.
If I were going over a curved surface and I had a corner lifting up, then I would apply Dicor Lap Sealant.
If everything is smooth flat and well adhered, no need to add lap sealant.

JMHO,
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Old 08-26-2013, 12:59 PM   #5
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Yes it is Eternabond tape. I cleaned then used Acetone to remove grime from the surface. Applied without stretching and used a small roller on it.
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Old 08-26-2013, 01:20 PM   #6
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I would not think you need it but a small bead on the leading edge may help the wind or debris from tempting it to lift.
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