Osb Roof Decking Thickness

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.

Osb roof decking thickness.

Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. Product may vary by store. Thicknesses range from 5 16 to 3 4 inch and the proper one to use.

For pricing and availability. The most common uses are as sheathing in walls flooring and roof decking. They can range from the standard 4 x 8 piece to a 4 x 9 or even a 4 x 10. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.

1 inch 25 4 mm. 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. 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 comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

Because of its construction some manufacturers actually make larger sheets of osb. For pricing and availability. However you might find that osb can better suit your needs than plywood for the roof. Oriented strand board 660663 the home depot.

Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing. More product details close. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. 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.

Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. 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. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.