More Picture Of What Ply To Use For Shed Roof Best Images PNG. Structural plywood has proof of strength performance provided by the supplier and indicates it has passed the building regulations to be used for structural use in a building. Overhang should be OK if the sheets are well anchored screws no further than 15 inches apart.
The most common rafter spacing is 24 inches and 58-inch plywood is recommended for that. Screw it down dont nail it and use short decking screws so they wont rust. Foot and with a maximum of spacing of 16 inches between rafters.
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May 24 2010 half inch or 12mm Elliotis ply. How long do you want it to last. Steeper rather than flatter roofs will have lesser load per sq. I never use anything less than 58 plywood for exterior roof sheathing.