Never attach roof sheathing with staples.
Roof sheathing thickness 16 oc.
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.
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.
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.
Loads will vary with the pitch of the roof.
8d ring shank nails should be used instead.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
24 16 teco sheathing span.
Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.
Sheathing should be a minimum of 19 32 inch thick.
Nominal panel thickness table b assists in calculation of.
Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively.
1 inch 25 4 mm.
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.
Most roofs will be sheathed in plywood at least 3 8 inch thick.