Cover sheathing with.
Roof plywood layout.
Produced by apa the engineered wood association formerly the american plywood association in 1989.
Properly fasten panels including fastening and spacing hints step 4.
It will support roof loads for most situations and is the standard for most roof applications.
Ventilate the roof according to current building codes step 3.
Avoid roof complaints with proper framing sheathing and roofing techniques.
Check the nailing surface is level step 2.
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.
This video may depict some work practices that do not meet current safety standards.