Installation details shall conform to sections 2304 7 1 and 2304 7 2 for.
Roof sheathing thickness 24 oc.
As far as installation goes i much prefer using osb or advantech over ply simply because it lays flat and doesn t warp curl like cdx.
Roof sheathing shall be structural wood panels plywood osb with a minimum five eighths inch thickness grade stamped for use and span.
It can be used for rafters up to 40 in.
8d ring shank nails should be used instead.
That means it can be used at 24 in.
1 inch 25 4 mm.
Never attach roof sheathing with staples.
For rafters or 16 in.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
What about the roof sheathing at 24 in.
Secure roof sheathing panels to the roof framing with 8d common nails spaced six inches on center at the edges and twelve inches on center at intermediate supports.
Tongue and groove sheathing rated 40 20.
Sheathing should be a minimum of 19 32 inch thick.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
Oc rafters i have worked with cdx generic osb and advantech.
Panels are rated 32 16.
For subfloors zip s 1 2 in.
Plywood thickness for 24 quot.
For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.