Osb Roof Sheathing Thickness 24 Oc

Panels are rated 32 16.

Osb roof sheathing thickness 24 oc.

What about the roof sheathing at 24 in. Sheathing sheathing span is intended for use as covering material for roofs subfloors and walls. 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. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.

It can be used for rafters up to 40 in. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Design capacities for oriented strand board allowable stress design asd. That means it can be used at 24 in.

Never attach roof sheathing with staples. 4 osb design and application guide panel grades osb panels are available in three grades identified by a designation of the intended end use. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. Relationship between span rating and nominal thickness for osb a nominal thickness b in span rating.

Sheathing should be a minimum of 19 32 inch thick. Tongue and groove sheathing rated 40 20. 8d ring shank nails should be used instead. For subfloors zip s 1 2 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. For pricing and availability. For pricing and availability. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Huber s zip system sheathing which we are using on the fhb house has a span rating of 24 16 for 7 16 in. 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.