Roof Sheathing Thickness 24 Oc

8d ring shank nails should be used instead.

Roof sheathing thickness 24 oc.

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. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for. For subfloors zip s 1 2 in.

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. That means it can be used at 24 in. Plywood thickness for 24 quot.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. 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. Never attach roof sheathing with staples. Panels are rated 32 16.

1 inch 25 4 mm. It will support roof. It can be used for rafters up to 40 in. Oc rafters i have worked with cdx generic osb and advantech.

Tongue and groove sheathing rated 40 20. However if there is ever a roof leak i think the cdx holds up better. Roof sheathing shall be structural wood panels plywood osb with a minimum five eighths inch thickness grade stamped for use and span. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.