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.
Osb ok for roof sheeting.
Thicknesses range from 5 16 to 3 4 inch and the proper.
Fortunately this is one issue that has primarily been standardized by the industry.
Plywood is a bit more expensive but is usually.
With edge support and the same snow load 3 8 inch osb can be used.
Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8.
Install osb panels on aligned roof trusses.
In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.
When the roofing material dries quicker it can be used to make sure that the roof will stay firm for a longer time.
For pricing and availability.
Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.
Building codes the engineered wood association architects and most builders rate plywood and oriented strand board obs sheathing equal in strength and durability.
Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.
For pricing and availability.
Even though the wood is porous it is more natural and it can dry quickly.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.
Oriented strand board or osb roof sheathing is a preferred material for roofing because of its strength and low weight avoid the errors described when installing this roof sheathing.
Roof sheathing or decking is one of those elements.
Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.
This is why plywood is considered as the better option for roofing.
However you might find that osb can better suit your needs than plywood for the roof.
Osb is now used for about 70 percent of all floor wall and roof sheathing in north america.
Rafters run from the peak of the roof.
Overall plywood is a little bit better for roofing.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
Another issue that many people encounter is what size plywood the roof may need.