Posted 6/13/2009 13:23 (#743760 - in reply to #743605) Subject: Re: Lets talk insulation . . spray foams and blown types ~
In this case, it's a steel roof, so, no worries.
However, I wonder, does it really matter? You're just not radiating as much heat INTO the dwelling, how much difference is it going to make to the roofing material? It's only going to get so hot.