Roof Sheathing Thickness For Shed

Osb can be used for exterior shed walls but needs to be covered or sealed soon after installation.

Roof sheathing thickness for shed.

Henry shows you the right way to install roof sheathing 1 2 plywood including the proper spacing and importance of using h clips to extend the life of your roof. Even though sheathing will be covered by siding you still will have to look at the sheathing when you are inside your shed. The thickness of the sheathing also is determined by the finish. That s considered to be the minimum.

If painting or staining it can be 3 8 thick. If covering with siding it should be strapped or or thicker to ensure nails don t stick through. Most roofs will be sheathed in plywood at least 3 8 inch thick. Loads will vary with the pitch of the roof.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Plywood comes in various grades and thicknesses because it is used for. How to correctly install plywood or osb roof sheathing.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Sheathing should be a minimum of 19 32 inch thick. 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. 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.

It s not as strong as plywood it doesn t age well when exposed to weather and the off cuts aren t as useful as plywood for building other projects because the edges don t accept screws or nails well. With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible. Country life projects living 25 4k subscribers how to build a shed sheathing the roof video 10 of 15.