Thckness Of Roof Osb Roof Sheathing

Loads will vary with the pitch of the roof.

Thckness of roof osb roof sheathing.

Required sheathing thickness for roofing important factors. Osb panels often have lines at 16 and 24 in. Osb sheathing costs a few dollars less per sheet than 1 2 in. 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 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. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood. 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.

For pricing and availability. Intervals so you know where underlying studs rafters and joists are for nailing. 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. Thicknesses range from 5 16 to 3 4 inch and the proper one.

Osb is widely used as roof decking material. That s considered to be the minimum. Some panels have a textured surface which makes them less slippery when used for roof sheathing. 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.

Osb has its advantages. Most roofs will be sheathed in plywood at least 3 8 inch thick. If your roof is more on the flatter side then it s expected to have a heavier load. A homeowner recently wrote and asked me the following regarding osb roof decking.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Several factors must be considered when determining appropriate roof sheathing thickness such as the. 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. For pricing and availability.

In our area 1 2 in.