More Picture Of What Thickness Plywood Is Used For Roofing Best Resolution Image. Jan 26 2021 The thickness may depend on how spaced apart the rafters are but plywood usually comes in at. Dec 06 2018 Most roofs will be sheathed in plywood at least 38 inch thick.
The typical thickness of roof sheathing is about 716 -inch which is just under 12-inch. Typical types of wood used for roof sheathing are oriented strand board known as OSB and plywood the most popular being OSB. Thats considered to be the minimum.
Plywood of this thickness allows the roof to contain debris snow and dirt quite.
Most buildings especially the commercial ones are using. Half inch on a roof is usually OK and very common at least around here. Foot and with a maximum of spacing of 16 inches between rafters. It is about 2- to 3-millimeters thick and is generally used indoors since it looks more decorative than thicker plywood boards.