Osb Thickness For Shed Roof

8d ring shank nails should be used instead.

Osb thickness for shed roof. The work is in building it collecting the material etc so i take the view that the extra cost is small compared to the work effort. The typical thickness range for sheathing is 3 8 to 3 4 inch. You might get by with 7 16 plywood but even that would be iffy. I put 5 8 osb on the roof of the 8x12 shed i built this summer 16 centered rafters.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. Not advice but i d opt for the 18 if it were my shed. Osb is made of chips of softwood glued together in a semi random pattern.

Plywood with similar properties currently costs about 30 more for an equivalent thickness. Fortunately this is one issue that has primarily been standardized by the industry. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. As with plywood osb typically comes in 4 ft.

Sheathing should be a minimum of 19 32 inch thick. Never attach roof sheathing with staples. 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. And hey it was on sale.

Thick osb does a fine job sheathing the walls and roof of a shed it is a bottom of the barrel sheet material for several reasons. Post by job and knock tue feb 20 2018 10 32 pm diy johnny wrote. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. Another issue that many people encounter is what size plywood the roof may need.

7 16 osb really isn t adequate for your roof even if you re running rafters on 16 centers. Watch this now to learn how to avoid this same pr. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. However you might find that osb can better suit your needs than plywood for the roof.

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.