Osb Roof Sheathing Edge Support

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.

Osb roof sheathing edge support.

Plywood is a bit more expensive but is usually stronger and is often selected in cases where the roof. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. For pricing and availability. Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood.

As shown in the table a 32 16 span rated panel used for roof sheathing over supports spaced at 24 inches o c. Figure 1 narrow width panels narrow width panels at ridge panel clip if required tn r275 0 4 11 00 1 39. Support spacing in inches for roof sheathing. H clips are referred to in the apa guide as edge support for the most common roof sheathing in our area which is 1 2 nominal 7 16 actual sheathing over trusses or rafters at 24 on center there is no requirement for h clips.

For pricing and availability. Without edge support spacing of supports center to center in apa rated sheathing c 12 16 20 24 32 40 48 60 12 0 5 16 12 12 30 16 0 5 16 16 16 70 30. An apa test program was initiated to investigate the performance of 24 inch and narrower roof sheathing panels. Can oriented strand board osb be used for roofing.

Support spacing when the panel is used for subflooring. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Zip system 1 2 cat ps2 10 tongue and groove osb sheathing application as 4 x 8. Clips or other edge support is used but only 28 inches when no edge support is provided please refer to the green shaded row in table 1.

Oriented strand board osb is commonly used as the primary structural. Lp osb sheathing roof panels have a course textured top surface that helps provide safe footing on pitched roofs. The results are the basis for the edge support recommendations discussed in this technical note. Can support a uniform live load of 70 psf without panel clips or other edge support since edge.

Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. With edge support and the same snow load 3 8 inch osb can be used. The second number is the maximum o c. 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.

Edge or t g in thicknesses of 19 32 5 8 23 32 3 4 7 8 1 1 1 8 and. A panel marked 32 16 may be used for roof. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8.