Osb Board Thickness For Roofing

I m contemplating upgrading to 1 2 or even 5 8 osb though to reduce roof sag hopefully to nil.

Osb board thickness for roofing.

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. Oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands. For pricing and availability. Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot.

Osb is widely used as roof decking material. T g oriented strand board common. For pricing and availability. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.

Osb roof decking thickness 7 16 1 2 or 5 8. Currently we space rafters 16 oc and use 7 16 osb with h clips. With edge support and the same snow load 3 8 inch osb can be used. A thickness of 18mm is adequate for non loadbearing uses in dry conditions.

In germany both osb 3 and osb 4 are used for loadbearing purposes. Watch this now to learn how to avoid this same pr. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. 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.

I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. A homeowner recently wrote and asked me the following regarding osb roof decking. If they are any thinner than that there can be a risk of swelling and warping. We re in dallas so we don t engineer for tremendous live loads for an asphalt shingle and we feel comfortable with 16 oc rafter spacing and 7 16 osb decking.

If you only intend to use boards as cladding for visual effect they can be relatively thin. Using osb osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.