Osb Thickness For Roof Sheathing

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Osb thickness for roof sheathing.

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. Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing. Oriented strand board 660663 the home depot. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

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. The typical thickness range for sheathing is 3 8 to 3 4 inch. This way no worrying about grabbing scraps to fill in small spots and not having the correct thickness. Sheathing should be a minimum of 19 32 inch thick.

Thicknesses range from 5 16 to 3 4 inch and the proper. Provides exceptional dimensional stability and stiffness.