4 osb design and application guide panel grades osb panels are available in three grades identified by a designation of the intended end use.
Osb roof sheathing thickness 24 oc.
Never attach roof sheathing with staples.
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.
Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.
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.
Sheathing should be a minimum of 19 32 inch thick.
Oc rafters i have worked with cdx generic osb and advantech.
Sheathing sheathing span is intended for use as covering material for roofs subfloors and walls.
Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively.
The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.
The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
Plywood thickness for 24 quot.
For pricing and availability.
For pricing and availability.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.
8d ring shank nails should be used instead.
However if there is ever a roof leak i think the cdx holds up better.