Several factors must be considered when determining appropriate roof sheathing thickness, such as the span of roof joists and snow load for the area.
How Thick Of Osb For Wall Sheathing. Where plywood is specified in the plans, though, california code prohibits substitution of osb. Oriented strand board (osb) is made by crisscrossing wafers of wood, building up layers to the desired thickness (source:
1/2" OSB vs 7/16" OSB for Wall Sheathing? from st.hzcdn.com
Osb, or oriented strand board, is rarely considered attractive, yet it can be painted. Those numbers correlate with well with the changes in moisture content in the osb sheathing. We are doing blown in cellulose insulation.
Am i ok using 7/16 osb for sheathing on roof and walls 16 oc framing.
That osb sheathing under the foam sheathing is there for a really important. If you build a very thick wall, will your sheathing stay cold and wet? Osb, or oriented strand board, is rarely considered attractive, yet it can be painted. About 5 percent of the thermal performance of the foam sheathing (not the entire wall actually, yes.
