Roof Sheathing Thickness For Shed

Sheathing should be a minimum of 19 32 inch thick.

Roof sheathing thickness for shed.

Most roofs will be sheathed in plywood at least 3 8 inch thick. The typical thickness range for sheathing is 3 8 to 3 4 inch. Roof sheathing thickness unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. And while seven sixteenth in.

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. 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 can be used for exterior shed walls but needs to be covered or sealed soon after installation. Thick osb does a fine job sheathing the walls and roof of a shed it is a bottom of the barrel sheet material for several reasons.

How to correctly install plywood or osb roof sheathing. Plywood comes in various grades and thicknesses because it is used for. 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. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.

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. With this thickness any deflection under dead loads only the weight of materials only should prove to be imperceptible. Loads will vary with the pitch of the roof. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

The thickness of the sheathing also is determined by the finish. Even though sheathing will be covered by siding you still will have to look at the sheathing when you are inside your shed. If covering with siding it should be strapped or or thicker to ensure nails don t stick through.