Osb Roof Sheathing Thickness 24 Oc

It can be used for rafters up to 40 in.

Osb roof sheathing thickness 24 oc.

Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Relationship between span rating and nominal thickness for osb a nominal thickness b in span rating. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

For pricing and availability. 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. Sheathing sheathing span is intended for use as covering material for roofs subfloors and walls.

Tongue and groove sheathing rated 40 20. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. For subfloors zip s 1 2 in. For rafters or 16 in.

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. Design capacities for oriented strand board allowable stress design asd. 4 osb design and application guide panel grades osb panels are available in three grades identified by a designation of the intended end use. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

For pricing and availability. Never attach roof sheathing with staples. 24 oc 32 oc 48 oc 500 575 770 1 050 1 900 180 250 385 685 1 200 2 600 2 900 3 350 4 000 5 600 1 900. That means it can be used at 24 in.

Panels are rated 32 16. 8d ring shank nails should be used instead. Sheathing should be a minimum of 19 32 inch thick.