Roof Sheathing Thickness 24 Oc

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

Roof sheathing thickness 24 oc.

8d ring shank nails should be used instead. Sheathing should be a minimum of 19 32 inch thick. Plywood thickness for 24 quot. What about the roof sheathing at 24 in.

For rafters or 16 in. The typical thickness range for sheathing is 3 8 to 3 4 inch. Tongue and groove sheathing rated 40 20. 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. For subfloors zip s 1 2 in. However if there is ever a roof leak i think the cdx holds up better. 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.

Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in. Never attach roof sheathing with staples. It can be used for rafters up to 40 in. Panels are rated 32 16.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Oc rafters i have worked with cdx generic osb and advantech. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.