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Old 07-11-2020, 06:40 PM   #1
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Weird white foam near cab leak

I have a leak in my cabover. This weird white stuff showed up. I don't think it's organic, as it's as hard as a rock. I think it might be some expanding foam that got activated by the water.

Has anyone seen this?
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Old 07-11-2020, 07:22 PM   #2
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Alien life form?

Did you pull it out or was it just sitting there? If just sitting there, could it be from something that was in the cab over?

I'll be following this with interest. Good luck.
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Old 07-12-2020, 09:53 AM   #3
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I'm thinking it is not due to water and a reaction as we use spray foam to seal greenhouse spaces and it doesn't change when rained on if it is fully dried and cured. Uv and sunlight turns it brown but doesn't move or change it otherwise.
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