Roof Sheathing Thickness For 24 Oc

That means it can be used at 24 in.

Roof sheathing thickness for 24 oc.

Panels are rated 32 16. What about the roof sheathing at 24 in. 1 inch 25 4 mm. 8d ring shank nails should be used instead.

For subfloors zip s 1 2 in. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. However if there is ever a roof leak i think the cdx holds up better. The first number is the maximum on center o c support spacing in inches for roof sheathing.

Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 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. Two numbers separated by a slash e g 32 16 or 48 24.

Tongue and groove sheathing rated 40 20. Never attach roof sheathing with staples. 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.

It will support roof. It can be used for rafters up to 40 in. 2 thoughts on what thickness osb to use under shingles. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively.

Oc rafters i have worked with cdx generic osb and advantech. The second number is the maximum o c. A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c. 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.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. For rafters or 16 in.