plywood thickness for attic floor
The most common exterior wall covering for post-frame. Because of their unique construction post-frame walls may be easily insulated with R-30 batts.
Attic spaces may be easily insulated.

. Table 14052 Minimum Thickness of Weather Coverings. For that we need OSB or plywood braced wall panels and most builders build them into corners. POST FRAME BUILDINGS 3 American Wood Council with R-40 or higher materials.
Chapter 14 Exterior Walls. Corner Framing With OSB and Insulating Sheathing Note that the foam sheathing is reduced over the OSB shear panel so that the thickness of both sheathing layers line up with the thickness of the sheathing in the field of the wall.
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