The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
Shed roof osb thickness.
For the curious 7 16 osb has a span rating of 24 16 and with supports every 24 inches is good for a roof live load of 40 psf pounds per square foot with a 10 psf dead load.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
For heavier loads a 40 20 rated panel 19 32 or 5 8 will support a 130 psf live load and 48 24 rated panels 23 32 or are good to175 psf.
Keep in mind that the load of the roof still plays a role in the plywood thickness.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
The osb thickness will be based on the rafter spacing.
Plywood with similar properties currently costs about 30 more for an equivalent thickness.
Bo remember if the women don t find you handsome they should at least find you handy.
Never attach roof sheathing with staples.
Good enough for houses good enough for a shed.
Thicknesses range from 5 16 to 3 4 inch and the proper one to use.
Osb is fine all the way around.
Using oriented strand board osb for shed walls floors and roofs using oriented strand board is a tested way of reducing costs for building your shed.
A flatter roof with rafters farther apart may need a thickness of up to inch.
What size plywood for the roof.
8d ring shank nails should be used instead.
Sheathing should be a minimum of 19 32 inch thick.