Metal roof insulation / Discussions

...metal roof installed over a open porch that was built now i have occasional moisture forming under panels that drips underneath. I now know there should have been a barrier installed but I was not sure about finishing ceiling off, so my question would be, is there any type of condensation spray that would stop that pro...

...insulation to a home have been very helpful. But in searching I have not found much related to adding exterior insulation to the roof. Our home does not have an attic. So wondering what systems have been successful - SIPs? Thanks. Choosing the best way to insulate a roof depends on how it is currently built. Let us kno...