Produced by apa the engineered wood association formerly the american plywood association in 1989.
Roof plywood layout.
Cover sheathing with.
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.
Properly fasten panels including fastening and spacing hints step 4.
And scroll down to see more details on each with installation hints and tips below.
Check the nailing surface is level step 2.
The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
It will support roof loads for most situations and is the standard for most roof applications.
Always ensure your work site is compliant with current osha regulations.