Osb Thickness For Shed Roof

Keep in mind that the load of the roof still plays a role in the plywood thickness.

Osb thickness for shed roof.

Osb is sold in 4 by 8 foot panels and the standard panel thickness for osb sheathing. A flatter roof with rafters farther apart may need a thickness of up to inch. Osb roof decking thickness 7 16 1 2 or 5 8. Keep the 16 oc go with 1 2 osb and add an extra clip in each space.

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. 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. Plywood with similar properties currently costs about 30 more for an equivalent thickness. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. This manufactured wood product is composed of small wood chips that are arranged in layers and glued together. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.

I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. 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 comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.