Roof Sheathing Thickness 24 Oc

Never attach roof sheathing with staples.

Roof sheathing thickness 24 oc.

For rafters or 16 in. 8d ring shank nails should be used instead. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for. For subfloors zip s 1 2 in.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Roof sheathing shall be structural wood panels plywood osb with a minimum five eighths inch thickness grade stamped for use and span. 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. Panels are rated 32 16.

Oc rafters i have worked with cdx generic osb and advantech. Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in. Plywood thickness for 24 quot. However if there is ever a roof leak i think the cdx holds up better.

It can be used for rafters up to 40 in. 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. The typical thickness range for sheathing is 3 8 to 3 4 inch. What about the roof sheathing at 24 in.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Tongue and groove sheathing rated 40 20. It will support roof. 1 inch 25 4 mm.