What Thickness Osb For Wall Sheathing. When applying osb sheathing to shear walls in a zone of seismic risk, the minimum recommended thickness is 15/32 inch. Is it worth it to spend an extra $440 for 1/2 osb for wall sheathing over 7/16?
Well it seems i just may go ahead and sheath my walls before i put them up so i need to find out how to go about selecting the thickness of sheathing and whether to use osb or ply.
But osb is widely used to sheath roofs and they'll install the cans to allow for the thickness of the drywall. Wall sheathing thickness and specifications. If by a shed you mean a 16' x 24' accessory storage building that requires a building permit and needs to meet code then use 1/2 rated sheathing. Tyvek wrap is next, but doesn't add much to the measurement.