Osb Thickness For Shed Roof

Keep the 16 oc go with 1 2 osb and add an extra clip in each space.

Osb thickness for shed roof.

Plywood with similar properties currently costs about 30 more for an equivalent thickness. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. Osb roof decking thickness 7 16 1 2 or 5 8. 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.

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. This manufactured wood product is composed of small wood chips that are arranged in layers and glued together. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.

With edge support and the same snow load 3 8 inch osb can be used. Osb is sold in 4 by 8 foot panels and the standard panel thickness for osb sheathing. 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.

Keep in mind that the load of the roof still plays a role in the plywood thickness. A flatter roof with rafters farther apart may need a thickness of up to inch. Thicknesses range from 5 16 to 3 4 inch and the proper one to use. Watch this now to learn how to avoid this same pr.