Roof Sheathing Thickness For 24 Oc

However if there is ever a roof leak i think the cdx holds up better.

Roof sheathing thickness for 24 oc.

What about the roof sheathing at 24 in. Around here southern mn the cities you can drive through the neighborhoods with cheaper houses the ones with trusses on 24 centers and 1 2 or 7 16 sheeting and most many will have sagged roofs. It will support roof. 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.

Oc rafters i have worked with cdx generic osb and advantech. 8d ring shank nails should be used instead. Tongue and groove sheathing rated 40 20. Sheathing should be a minimum of 19 32 inch thick.

1 inch 25 4 mm. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. Support spacing when the panel is used for subflooring. Never attach roof sheathing with staples.

That means it can be used at 24 in. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. 2 thoughts on what thickness osb to use under shingles.

Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. It can be used for rafters up to 40 in.

For rafters or 16 in. For subfloors zip s 1 2 in. The second number is the maximum o c. Plywood thickness for 24 quot.

A panel marked 32 16 may be used for roof sheathing over supports spaced up to 32 inches o c. The typical thickness range for sheathing is 3 8 to 3 4 inch.