9 Best Of What Size Plywood For Shed Roof Free Download. It is about 2- to 3-millimeters thick and is generally used indoors since it. It will support roof.
In this case plywood should be a minimum of 38 inch thick. Span in the same application. Generally plywood comes in 4 by 8-foot sheets and in a variety of grades.
On anything much bigger then I tend to go for 18mm.
Plywood typically comes in 48 ft. 3-ply is one of the most common types of plywood. Dec 19 2018 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. The lower the slope the more weight for snow load but less wind force.