39+ Plywood For Soffit. Most of our soffit systems are 16 or less and they are closed 99.99999% of the time. Engineered wood soffit panel (164).
However, it is considered standard practice to cut holes in the existing plywood to direct more airflow into the attic space before covering it with vinyl. To the casual eye, they appear decorative, because they come in both signal water problems. If your soffits are narrow, and the framing is on 24 centers, then you could go with 3/8 ac ply.
Provides information on recommended panels and spans for open and closed soffits.
I need help picking out the material for my siding and soffit. I am painting so the grain does not matter. Different finishes/variations of the soffit can be achieved more commonly flat plain plywood what are fascias and soffits? If your soffits are narrow, and the framing is on 24 centers, then you could go with 3/8 ac ply.