[neolitic]

http://www.owenscorning.com/foryourhome/

It wants a zip code for "where to buy."
I don't know what yours is, but I'd be
surprised if you can't buy Pink foam up there?

ADD:
For polyisocyanurate, look for brands like
"High-R" and "Tuff-R", two off the top of
my head....