Thckness Of Roof Osb Roof Sheathing

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.

Thckness of roof osb roof sheathing.

This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load. Osb sheathing costs a few dollars less per sheet than 1 2 in. 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. Loads will vary with the pitch of the roof.

Several factors must be considered when determining appropriate roof sheathing thickness such as the. 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. Some panels have a textured surface which makes them less slippery when used for roof sheathing. You need to find a sheathing with a span rating of at least 32 16 which means either 15 32 or 1 2 thick osb.

Osb has its advantages. Osb panels often have lines at 16 and 24 in. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood. For pricing and availability.

For pricing and availability. If your roof is more on the flatter side then it s expected to have a heavier load. Most roofs will be sheathed in plywood at least 3 8 inch thick. With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible.

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. Intervals so you know where underlying studs rafters and joists are for nailing. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Osb is widely used as roof decking material.

Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. In our area 1 2 in. Thicknesses range from 5 16 to 3 4 inch and the proper one. That s considered to be the minimum.

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.