also ordered Great Stuff 157906 12-Ounce Big Gap Filler to verify whic is better, and i prefer this stuff.
thanks amazon for the super quick delivery and for making this great product an amazon prime item.
The price was right, but the design was wrong, wrong, wrong.
In order to make it set-up within an enclosed space, you must either: 1) make the space no longer enclosed by opening it up so all of the foam would have access to air and moisture OR 2) apply the foam in layers, though in an enclosed space, this is also very difficult.
We don't normally recommend injecting foam into enclosed spaces, though if you must, we recommend using a TWO-component foam.