Trending Of What Thickness Of Plywood For Shed Roof Best Images PNG. A roof that lays practically flat will have a much heavier load than a steeper roof that allows rain snow and ice to roll right off. Cant decide whether to use 18mm ply for the roof covered in felt or to use.
Dec 06 2018 Most roofs will be sheathed in plywood at least 38 inch thick. Thats considered to be the minimum. The ideal thickness for the standard rafter spacing of 24 inches is 58 th of an inch.
Plywood thicknesses for roofs start at 38 in areas with light load requirements on rafters at 16 centers.
However you may need to consider bolstering the plywood thickness for a roof that has a higher load. The typical thickness of roof sheathing is about 716 -inch which is just under 12-inch. Plywood on a roof. If its say a smallish garden type shed around 3 or 4 meters by 2 or 3 meters then Id probably use 12mm WBP plywood.