Shed Roof Osb Thickness

Never attach roof sheathing with staples.

Shed roof osb thickness.

8d ring shank nails should be used instead. The typical thickness range for sheathing is 3 8 to 3 4 inch. 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. 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.

A flatter roof with rafters farther apart may need a thickness of up to inch. Bo remember if the women don t find you handsome they should at least find you handy. Sheathing should be a minimum of 19 32 inch thick. 7 16 will be fine for 16 on center and 5 8 for 24 on center rafters.

What size plywood for the roof. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. 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. The osb thickness will be based on the rafter spacing.

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. When this is the case experts recommend a 5 8 inch thick sheet. Thicknesses range from 5 16 to 3 4 inch and the proper one to use.

Osb is fine all the way around.