Drainage matting goes underneath CleanSpace to aid in water drainage. Also visible in this picture are SmartJacks a system installed to halt your sagging floors. Floors above basements and crawl spaces are vulnerable due to the damp nature of the lowest floor. The Smart Jack system is a permanent fix to these issues. It uses steel columns, threaded rods, and a solid base to address any problems your basement may have. Installing this system usually takes less than a day and it provides immediate stabilization.