How Thick Plywood For Shed Roof

Sheathing should be a minimum of 19 32 inch thick.

How thick plywood for shed roof. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. 5 ply is a versatile type of plywood that is about 4 millimeters thick. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

Use it indoors or outdoors but avoid using for framing permanent structures such as a shed or a home. 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. Keep in mind that the load of the roof still plays a role in the plywood thickness. It will support roof.

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. What thickness of plywood for shed roof. For heavy load rated areas 3 4 inch thick plywood is recommended regardless of rafter spacing. 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. That s considered to be the minimum. Post by diy johnny tue feb 20 2018 7 27 pm not advice but i d opt for the 18 if it were my shed. Plywood thicknesses for roofs start at 3 8 in areas with light load requirements on rafters at 16 centers.

Most builders use 15 32. 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. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of 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.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Thicknesses of 1 2 to 5 8 inch are common with rafters spaced at 24 centers. On saturday i collected a couple of 18mm sheets of plywood. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

It is about 2 to 3 millimeters thick and is generally used indoors since it looks more decorative than thicker plywood boards.