While softwood plywood isn't as tough or durable as hardwood plywood, it can still be used for roof sheathing, home subfloors, or exterior frame sheathing. Depending on the ply layers, grade, and ...
Obviously, the plywood you use to make a custom cabinet must be a higher grade than what you use for roof sheathing. But what does the lumber industry mean by "grade," what are the different grades, ...