Thicknesses range from 5 16 to 3 4 inch and the proper one to use.
Plywood or osb for shed roof.
Osb is made of small and fairly rectangular shaped wood chips from small resinous trees which are bonded into a panel form with wax and synthetic resin.
Oriented strand board osb is the least expensive option for sheathing the walls and roof of a shed which is why it s used so often for sheds and homes.
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.
One of the nice things about plywood is the variety of options you can buy.
Osb is made of chips of softwood glued together in a semi random pattern.
As with plywood osb typically comes in 4 ft.
The lower the slope the more weight for snow load but less wind force.
Currently costs about 30 more for an equivalent thickness.
The higher the slope the more quickly the snow and rain will be shed but also the greater the wind force.
However there are some sceptics out there who doubt the strength and durability of osb.
However you might find that osb can better suit your needs than plywood for the roof.
Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8.
Up until 2000 plywood held the majority of the market for wall roof and floor sheathing when it was surpassed by osb which as of 2018 held about 75 of the market share.
The most common materials for this are oriented strand board osb or plywood both formed of layers of wood bonded into a panel.
Plywood on the other hand is made with thin sheets of wood that have been cut from a spinning log then glued together with the grain laid out in alternating directions to maximise strength.
Bob225 wrote why waste ply on a roof unless its rough shuttering ply 12mm wbp is perfectly fine if your feeling really tight osb 3 aka stirling board will do the trick i figured hardwood plywood would be a better choice since it s more substantial.
Plywood used for roof decking is typically called sheathing and.
Because of its construction some manufacturers actually make larger sheets of osb.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.