Quote:
Originally Posted by BOHICA
No, probably not. With a stanchion in place, you're bracing the inner panel off of the floor and using all of the pressure from the foam to force the top panel up. However, once you remove the support, the pressure will be divided between the top and bottom. The most likely result is that once everything settles, you'll achieve mixed results. The roof probably won't sag as much, but the ceiling will.
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What about reversing the gravity affect by flipping it upside down while it cured?