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Old 08-23-2011, 03:56 PM   #11
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Had the same hard bubbles inside my tt. Also had delam on the outside. Both problems were water related.


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Old 09-20-2011, 11:24 AM   #12
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air bubbles

I have several bubbles in my 2006 Forester as well. The location is the same and there appears to be no water damage otherwise. Is this delamination caused by water damage or streaching of the wall covering due to road stresses?

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Old 09-20-2011, 12:25 PM   #13
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that is delam caused by either a bad layup from the factrory and high temps will cause this over time also the delam can be due to water damage. I work in aerospace and see this type of stuff on ocassion. a bad bond detween the layers of material or not enough time in the autoclave to bake out any trapped air or moisture will cause this. Water is usually the culprit if the layup was good from the factory. look for a leak that is allowing the moisture in.

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