Insulating an exterior wall for a post and beam barn

I will walk you through my process for insulating the exterior walls of my barn so that I can enclose this space for a new winter-proof woodshop. This will be part 1 of my series where I work my way from the outside in, making this the my dream project space. Gap and Cracks foam sealant- https://www.homedepot.com/pep/GREAT-STUFF-12-oz-Gaps-and-Cracks-Insulating-Spray-Foam-Sealant-227112/202893728?g_store=&source=shoppingads&locale=en-US&pla&mtc=SHOPPING-CM-CML-GGL-D22-022_004_INSULATION-NA-NA-NA-PMAX-7846999-NA-NA-NA-NBR-NA-NA-NEW-Pmax&cm_mmc=SHOPPING-CM-CML-GGL-D22-022_004_INSULATION-NA-NA-NA-PMAX-7846999-NA-NA-NA-NBR-NA-NA-NEW-Pmax-19116999312--&gclsrc=aw.ds&gad_source=1&gad_campaignid=19122624130&gbraid=0AAAAADq61UcQCSGnWTgJ1SavmkBOSJULb&gclid=Cj0KCQjw35bIBhDqARIsAGjd-cZ8Mm4LTnOZuLFTkHQTC4m13o9yTlrXsLAmrLZa0gX1ZTbGNtHdpGAaAvJhEALw_wcB FOAMULAR NGX F-150 1 in. x 4 ft. x 8 ft. SSE R-5 XPS Rigid Foam Board Insulation https://www.homedepot.com/p/Owens-Corning-FOAMULAR-NGX-F-150-1-in-x-4-ft-x-8-ft-SSE-R-5-XPS-Rigid-Foam-Board-Insulation-20WENGX/315197840 Owens Corning R-21 Faced Fiberglass Insulation Batt 15 in. x 93 in. https://www.homedepot.com/p/Owens-Corning-R-21-Faced-Fiberglass-Insulation-Batt-15-in-x-93-in-1-Bag-ME23/303690481 Timestamps: 00:00 Identifying the steps 02:00 Rational for using the materials 03:40 Reviewing insulation theory 04:45 Product overview 07:00 Rigid foam insulation and air sealing 10:00 Installing fiberglass batts and tricks 10:30 Hanging the plywood 11:30 Adding nailing for Sheetrock 14:00 Advice on cutting and fitting insulation 16:00 Next steps for enclosing the woodshop