R6.6 1 1/2 in x 4 in x 8 ft Huber ZIP System Insulated R-Sheathing w/ 1 in Foam

ZIP System R-sheathing is the simple all-in-one structural panel with built-in exterior insulation. Featuring integrated moisture, air and thermal protection, ZIP System R-sheathing completely reimagines traditional wall assemblies by streamlining exterior water, air and thermal management. ZIP System R-Sheathing is an insulated sheathing that combines 7/16" ZIP System Sheathing with a 1/2" or 1" layer of rigid polyisocyanurate foam plastic insulation laminated to its interior face.