What are the options for adding Exterior Roof Insulation?
...SIPs?
Thanks. Choosing the best way to insulate a roof depends on how it is currently built. Let us know from bottom up if you can, and your climate zone as well. Choosing a roof design is your first step, here are the very basic two types :
Vented and unvented roofs - what is the difference and which is better?
SIPs ...