Osb Board Thickness For Roofing

Osb is widely used as roof decking material.

Osb board thickness for roofing.

In germany both osb 3 and osb 4 are used for loadbearing purposes. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. 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. Thicknesses range from 5 16 to 3 4 inch and the proper one.

Currently we space rafters 16 oc and use 7 16 osb with h clips. Osb roof decking thickness 7 16 1 2 or 5 8. I m contemplating upgrading to 1 2 or even 5 8 osb though to reduce roof sag hopefully to nil. X 95 75 in osb is a material with high mechanical properties osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction.

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. With edge support and the same snow load 3 8 inch osb can be used. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. A thickness of 18mm is adequate for non loadbearing uses in dry conditions.

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. A homeowner recently wrote and asked me the following regarding osb roof decking. 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.

Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. T g oriented strand board common. If you only intend to use boards as cladding for visual effect they can be relatively thin.

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. 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. For pricing and availability.