Our patent pending solution to flooding surface water by the home. It is common for homes, at the base of hills or inclines, to have water pooling a the base of the house's foundation. These pools occur during heavy rain falls when eater has no where to go. It then penetrates into the basement by seeping under the siding and plywood and over the foundation. Basement Technologies' patent pending product, the "Curtain Drain™" is designed to eliminate water from entering the basement due to exterior pooling. The "Curtain Drain™" will take the threatening water which collected on the surface and route it to the side of the home away from the flooded area. Due to the extreme unpredictability of exterior environments., we cannot warranty exterior system.