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i am thinking of metal siding and roofing for my cabin. should i put osb on then house wrap, then strap for metal or just wrap right on the studding. i have seen it done both ways.
 

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you could do it either way but it's nice to have a 1/2'' of sheathing,giving you a nice flat surface to lay your window flashing details on

plus it makes window and door installations easier and you will have the correct wall thickness for standard units
 

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osb is much more sensitive to water, if you ever get a leak. it tends to swell and get soft. also, i don't like having to screw anything into it; screws just don't anchor as well as w/ plywood.
 
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