How Much Gravel Do You Need for a French Drain?
How much gravel for french drain projects require depends on your specific trench dimensions, but a standard 12-inch-wide, 18-inch-deep residential installation typically needs roughly 1 cubic yard for every 20 linear feet. That puts a 50-foot run at about 2.75 cubic yards and a 100-foot run at about 5.5 cubic yards, before you add anything … Read more