How Thick Plywood For Shed Roof

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

How thick plywood for shed roof.

Use it indoors or outdoors but avoid using for framing permanent structures such as a shed or a home. It will support roof. On saturday i collected a couple of 18mm sheets of plywood. Due to requiring extra tools for cutting the sheets to size the roofing job for the shed hasn t been completed.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Sheathing should be a minimum of 19 32 inch thick. If you want the shed to be waterproof its roof must be constructed just like any other roof a plywood decking covered with shingles or with composite or metal roofing. When this is the case experts recommend a 5 8 inch thick sheet.

5 ply is a versatile type of plywood that is about 4 millimeters thick. What thickness of plywood for shed roof. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Never attach roof sheathing with staples.

It is about 2 to 3 millimeters thick and is generally used indoors since it looks more decorative than thicker plywood boards. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Plywood thicknesses for roofs start at 3 8 in areas with light load requirements on rafters at 16 centers. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

For heavy load rated areas 3 4 inch thick plywood is recommended regardless of rafter spacing. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. That s considered to be the minimum. 8d ring shank nails should be used instead.

Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. Since this is my first attempt at carpentry i was unaware of just how heavy and awkward it would be to manouver these sheets though i soon found out. The work is in building it collecting the material etc so i take the view that the extra cost is small compared to the work effort. 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.

Keep in mind that the load of the roof still plays a role in the plywood thickness.