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.

I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. 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. Osb roof decking thickness 7 16 1 2 or 5 8.

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. This manufactured wood product is composed of small wood chips that are arranged in layers and glued together. 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 the 16 oc go with 1 2 osb and add an extra clip in each space. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. 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.

A flatter roof with rafters farther apart may need a thickness of up to 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. Watch this now to learn how to avoid this same pr. 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.