7 16 osb really isn t adequate for your roof even if you re running rafters on 16 centers.
Osb for shed roof.
Both the national roofing contractors association and the asphalt roofing manufacturers association recommend the use of osb for roof sheathing as long as it bears.
It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements.
Plywood with similar properties currently costs about 30 more for an equivalent thickness.
The topic replacement shed roof osb or ply is closed to new replies.
I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.
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.
As with plywood osb typically comes in 4 ft.
You might get by with 7 16 plywood but even that would be iffy.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
X research source plywood sheathing will provide structural support for your new roof as well as give you a flat stable surface to attach your other roofing materials too.
I put 5 8 osb on the roof of the 8x12 shed i built this summer 16 centered rafters.
Osb is made of chips of softwood glued together in a semi random pattern.
Most constructions experts recommend using 7 16 in 1 1 cm oriented strand board osb for small scale roofing projects.
Singletrack issue 132 is out now.
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.
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Most construction sites will consider the use of either osb or plywood for the roof.
Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements.
Suitability for roof sheathing.
With edge support and the same snow load 3 8 inch osb can be used.