Keystone Basement Systems installed an interior french drain and sump pump at my house in 2018. In an exceptional show of tenacity the crew was able to do the work while huge volumes of water continued to enter the foundation. It was only after the work was done that we learned this was due to mine subsidence. Because of the mine subsidence our pump is active 24/7. Despite this heavier than normal workload the basement stayed dry and the pump is working well. We had one issue recently where the float needed replaced. Renee was extremely helpful and added us to the service schedule same day. Chuck did great work and we were back in business without issue. A huge thanks to the whole KBS team for their great service over the past year and a half!
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