Shed Roof Osb Thickness
The osb thickness will be based on the rafter spacing.
Shed roof osb thickness. When this is the case experts recommend a 5 8 inch thick sheet. Bo remember if the women don t find you handsome they should at least find you handy. 8d ring shank nails should be used instead. Sheathing should be a minimum of 19 32 inch thick.
The typical thickness range for sheathing is 3 8 to 3 4 inch. What size plywood for the roof. Osb is fine all the way around. 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.
Never attach roof sheathing with staples. Good enough for houses good enough for a shed. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. Keep in mind that the load of the roof still plays a role in the plywood thickness.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. 7 16 will be fine for 16 on center and 5 8 for 24 on center rafters. Thicknesses range from 5 16 to 3 4 inch and the proper one to use. 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.
Plywood with similar properties currently costs about 30 more for an equivalent thickness.