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rafter birdsmouth and wall sheathing ???

26K views 4 replies 5 participants last post by  Wildie  
I usually sheath 1st, then do the rafters
Sheathing ties everything together so it won't move
On my cabana addition I did the bottom 3' with cement board then the rafters, then the rest of the sheathing
The old siding on the existing cabana rotted out at the bottom
So I used cement board on the bottom 3' to prevent rot