Trending Of What Size Plywood Do You Use For A Roof Best Wallpaper JPG. In this case plywood should be a minimum of 38 inch thick. Plywood thicknesses for roofs start at 38 in areas with light load requirements on rafters at 16 centers.
58-inch plywood is the standard for most roof applications and supports most roof load situations. Mixing thicknesses is not preferred either but if you use the proper underlayments and decent shingles particularly archatectural you arent likely to notice. Sep 27 2020 The plywood or OSB you use for a base underneath your metal roofing should be at least 716 inch thick.
Plywood comes in different thicknesses from -inch to 1-inch but 58 inches is the most popular thickness.
Mixing thicknesses is not preferred either but if you use the proper underlayments and decent shingles particularly archatectural you arent likely to notice. Knowing this number can help you determine how many sheets of plywood you need for your roof. If you are considering the cost of the wood you might opt for plywood as the least expensive option. 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.