Thickness Osb For Desk Roof

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.

Thickness osb for desk roof.

Osb roof decking thickness 7 16 1 2 or 5 8 if were using osb we get 9 16 we dont worry about getting both 7 16 and 9 16 for walls then the roof we just get all of the same. Keep in mind that the load of the roof still plays a role in the plywood thickness. Thicknesses range from 5 16 to 3 4 inch and the proper one. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

It s also important to keep in mind that osb boards are available in different grades and use classes. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. A flatter roof with rafters farther apart may need a thickness of up to inch. With edge support and the same snow load 3 8 inch osb can be used.

Most roofs are spaced at least 20 inches apart. Using osb osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. 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. For this you can either go for a half inch or 5 8 inch thick sheet.

This way no worrying about grabbing scraps to fill in small spots and not having the correct thickness. In this case you can t use a 3 8 inch thick sheet. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. When this is the case experts recommend a 5 8 inch thick sheet.

The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.