To stop water from breaching the perimeter of the basement, we installed WaterGuard along the edge of the walls. WaterGuard drainage channel has a patented profile that includes a wall flange with spacers for collecting wall seepage, channel holes that allow ground water to enter the drain line, and a large-diameter channel that can't crush or kink like standard plastic drain tile can. This innovative interior French drain system, and all of our patented basement drainage systems, are designed to work with the powerful, reliable sump pump systems from Basement Systems.