Retrofitting insulation & air sealing to attic to adjoined wall

Hi all, I’m requesting feedback on my plan to insulate & add air sealing to a shared wall between a 1st floor attic side wall and an adjoining 2nd floor wall… Hi all, I’m requesting feedback on my plan to insulate & add air sealing to a shared wall between a 1st floor attic side wall and an adjoining 2nd floor wall…Read MoreGreenBuildingAdvisor