Osb Roof Sheathing Thickness 24 Oc

Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.

Osb roof sheathing thickness 24 oc.

Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. 8d ring shank nails should be used instead. 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.

The typical thickness range for sheathing is 3 8 to 3 4 inch. For the curious 7 16 osb has a span rating of 24 16 and with supports every 24 inches is good for a roof live load of 40 psf pounds per square foot with a 10 psf dead load. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. For pricing and availability.

The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. However if there is ever a roof leak i think the cdx holds up better. Oc rafters i have worked with cdx generic osb and advantech. For pricing and availability.

Plywood thickness for 24 quot. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Never attach roof sheathing with staples. 1 inch 25 4 mm.

4 osb design and application guide panel grades osb panels are available in three grades identified by a designation of the intended end use. Sheathing should be a minimum of 19 32 inch thick.