Shed Roof Osb Thickness

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.

Shed roof osb thickness.

When this is the case experts recommend a 5 8 inch thick sheet. A flatter roof with rafters farther apart may need a thickness of up to inch. 8d ring shank nails should be used instead. The typical thickness range for sheathing is 3 8 to 3 4 inch.

Never attach roof sheathing with staples. 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. Plywood with similar properties currently costs about 30 more for an equivalent thickness.

The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. The osb thickness will be based on the rafter spacing. What size plywood for the roof. Thicknesses range from 5 16 to 3 4 inch and the proper one to use.

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. Good enough for houses good enough for a shed. 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.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.