Roof Sheathing Thickness Osb
That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
Roof sheathing thickness osb. For pricing and availability. Oriented strand board 660663 the home depot. Provides exceptional dimensional stability and stiffness. Thicknesses range from 5 16 to 3 4 inch and the proper one to use.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. 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. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Roof sheathing or decking is one of those elements.
Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. 1 inch 25 4 mm. With edge support and the same snow load 3 8 inch osb can be used. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively.
Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Most roofs will be sheathed in plywood at least 3 8 inch thick. Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing. 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.
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. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Loads will vary with the pitch of the roof. For pricing and availability.