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Discussion Starter · #1 ·
I'm currently working on insulating a van and I would like to use spray foam insulation but I'm having trouble applying it properly in the nooks of the van (specifically the ceiling crossbeams).

It is my understanding that the foam should be applied in layers in order for it to properly settle but since I can't see inside the crossbeams the only thing I can think of is to fill up the hole until I see the foam and then remove any excess once it dries but I'm not sure that's the correct way.

Are their any better ways of doing that? Thanks
 

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Naildriver
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Whatever you do, use minimally expanding foam, not regular spray foam. The regular spray foam will expand exponentially and will bulge out your panels when it reaches its final expansion. Figure the expansion to be about twice what you lay in. It does not settle.
 
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