The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
Roof plywood layout.
Check the nailing surface is level step 2.
It will support roof loads for most situations and is the standard for most roof applications.
Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof.
Produced by apa the engineered wood association formerly the american plywood association in 1989.
Properly fasten panels including fastening and spacing hints step 4.
Always ensure your work site is compliant with current osha regulations.
Ventilate the roof according to current building codes step 3.
This video may depict some work practices that do not meet current safety standards.