Roof Sheathing Thickness 24 Oc

Roof sheathing shall be structural wood panels plywood osb with a minimum five eighths inch thickness grade stamped for use and span. Sheathing should be a minimum of 19 32 inch thick. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

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Floor Sheathing Upcodes

Lawriter Oac 4101 1 23 01 Wood

Chapter 23 Wood Building Code 2012 Of Tennessee Upcodes

Installation details shall conform to sections 2304 7 1 and 2304 7 2 for.

Roof sheathing thickness 24 oc.

For rafters or 16 in. The typical thickness range for sheathing is 3 8 to 3 4 inch. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 1 inch 25 4 mm.

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. 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. Oc rafters i have worked with cdx generic osb and advantech.

However if there is ever a roof leak i think the cdx holds up better. Never attach roof sheathing with staples. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. For subfloors zip s 1 2 in.

It can be used for rafters up to 40 in. Panels are rated 32 16. That means it can be used at 24 in. 8d ring shank nails should be used instead.

Plywood thickness for 24 quot. It will support roof. Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in. What about the roof sheathing at 24 in.