On Sat, 16 May 2009 09:04:41 -0400, "Stormin Mormon"
wrote:

Friend of mine foamed in around his storm door. The foam
pushed the door frame in (aluminum) and now the door won't
close.

How about just stuff in some fiberglass around your
skylight?
Gotta use the low expansion foam designed for the job. Great Stuff
aint it.