The best gravel for a French drain is typically larger than your average gravel. Ideally, it should be one-half to one-inch wide to avoid clogs. Pea-sized gravel isn’t suitable for drainage because it is too small to allow sufficient water flow. Also, ensure the gravel is washed to remove debris that will impede water flow.
Crushed stone #57
Crushed stone #57 is a versatile type of stone and is used for various construction projects. It is an excellent choice for building driveways, sidewalks, asphalt roads, and railroad ballast. It also holds its shape well when placed on a flat surface. However, it should not be used on sloped areas because it is susceptible to washing and sliding in heavy storms.
#57 stone is ideal for drainage and control. It lets water flow naturally away from wet areas without causing overcrowding. It also prevents water from pooling and flooding. However, it …