Insulation options from R4 (2”thick ) to R60 (18” thick).  Most popular insulation type is WMP line of Blanket insulation which comes in an R-Value of between R4 and  R38.  It comes in 4 ft x 100 ft rolls and is blanketed over the frame of the building.  It comes with  a complete plastic lining system and  the white sealing tape to form a 100% vapor thermal barrier around the building.