Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
Roof sheathing thickness 24 oc.
For rafters or 16 in.
The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
Plywood thickness for 24 quot.
Never attach roof sheathing with staples.
Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in.
Roof sheathing shall be structural wood panels plywood osb with a minimum five eighths inch thickness grade stamped for use and span.
For subfloors zip s 1 2 in.
What about the roof sheathing at 24 in.
Installation details shall conform to sections 2304 7 1 and 2304 7 2 for.
However if there is ever a roof leak i think the cdx holds up better.
Oc rafters i have worked with cdx generic osb and advantech.
That means it can be used at 24 in.
Tongue and groove sheathing rated 40 20.
For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.
It can be used for rafters up to 40 in.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
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.
It will support roof.
1 inch 25 4 mm.
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.