Osb Roof Sheathing Thickness 24 Oc

For subfloors zip s 1 2 in.

Osb roof sheathing thickness 24 oc.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 8d ring shank nails should be used instead. 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. For rafters or 16 in.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Design capacities for oriented strand board allowable stress design asd. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

Never attach roof sheathing with staples. Relationship between span rating and nominal thickness for osb a nominal thickness b in span rating. 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.

That means it can be used at 24 in. Tongue and groove sheathing rated 40 20. It can be used for rafters up to 40 in. Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in.

Panels are rated 32 16. Sheathing sheathing span is intended for use as covering material for roofs subfloors and walls. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.

Sheathing should be a minimum of 19 32 inch thick. What about the roof sheathing at 24 in. For heavier loads a 40 20 rated panel 19 32 or 5 8 will support a 130 psf live load and 48 24 rated panels 23 32 or are good to175 psf.