How Thick Should Osb For Roof

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How thick should osb for roof.

With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible. Sheathing should be a minimum of 19 32 inch thick. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. This way no worrying about grabbing scraps to fill in small spots and not having the correct thickness.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Never attach roof sheathing with staples. Oriented strand board osb vs plywood family handyman osb roof sheathing panels georgia pacific blue ribbon 8 tips for getting the best out of your oriented strand board osb which way should you install osb on a roof norbord north roofing plywood sizes material options thickness calculations osb oriented strand board common 15 32 in x 4 ft 8 actual. 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.

Thicknesses range from 5 16 to 3 4 inch and the proper. 8d ring shank nails should be used instead. The thickness required by josh s.