Osb Roof Sheathing Thickness

The typical thickness range for sheathing is 3 8 to 3 4 inch.

Osb roof sheathing thickness.

Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. Never attach roof sheathing with staples. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.

Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Watch this now to learn how to avoid this same pr. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.

Roof sheathing or decking is one of those elements. Sheathing should be a minimum of 19 32 inch thick. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.

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. 8d ring shank nails should be used instead. However you might find that osb can better suit your needs than plywood for the roof. Thicknesses range from 5 16 to 3 4 inch and the proper.

The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. Another issue that many people encounter is what size plywood the roof may need.