[hackerspaces] liquid based non expanding insulation - name?

Ron Bean makerspace at rbean.users.panix.com
Thu May 31 17:43:47 CEST 2012

>I have tried to use polyurethane foam but
>it is expanding therefore it would distort the soft PE internal layer.

How about temporarily reinforcing the box so it doesn't distort while 
the foam sets up?

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