Thank you. Just edited to include an exterior picture. Yes, it’ll be exposed to wind and temperature. The window/foundation sits about 6 inches recessed from the siding of the house, which keeps most rain off of it, and it would take a good foot of snow to reach it.
Clear_Lingonberry22 OP t1_j029zgw wrote
Reply to comment by humanefly in Advice request for best insulation for unique window situation by Clear_Lingonberry22
Thank you