I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.
Osb thickness for shed roof.
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.
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.
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.
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.
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.
Plywood with similar properties currently costs about 30 more for an equivalent thickness.
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.
With edge support and the same snow load 3 8 inch osb can be used.
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.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
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