That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
Roof sheathing thickness 16 oc.
Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively.
Most roofs will be sheathed in plywood at least 3 8 inch thick.
Osb roof decking thickness 7 16 1 2 or 5 8 currently we space rafters 16 oc and use 7 16 osb with h clips.
1 inch 25 4 mm.
The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
Never attach roof sheathing with staples.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
Loads will vary with the pitch of the roof.
16 oc 0 594 0 625 20 oc 0 594 0 625 24 oc 0 719 0 750 32 oc 0 875 1 000 48 oc 1 125 a the values in this table correspond with those published in the 2005 edition of the.
We re in dallas so we don t engineer for tremendous live loads for an asphalt shingle and we feel comfortable with 16 oc rafter spacing and 7 16 osb decking.
Sheathing should be a minimum of 19 32 inch thick.
8d ring shank nails should be used instead.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.