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Unread 01-19-2020, 10:55 AM   #14
Carbidetooth's Avatar
Join Date: Mar 2010
Location: Boise, ID
Posts: 1,441
The way your corner is framed is not wrong...just different. That type of corner was conceived to save both material and provide a better insulated corner with less thermal bridging.

Were it me, I'd take a stick of 1x4 and attach to the backwall stud with screws driven through the stud. Drill pilots through stud so screw pulls on 1x4, not the stud itself. Could also be done with 2x material, but compromises the insulation a bit more.
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Silicone (not silicon) Sealant Ranger
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