Concrete and Channel Drain installed against foundation to solve stubborn basement flooding

This homeowner had constant flooding in her basement and walk out garage. She had recently hired her landscaper to install a french drain, but that wasn't enough. After several trips during the rain we determined that surface water was the culprit and it was not subsurface water flowing laterally to the foundation. We came up with a channel drain across the entire length of the house set in concrete. This will stop all surface water from penetrating along the foundation and causing the flooding issues. The homeowner has reported back that after a few months she has seen zero water, even where there was a small trickle in the garage that flowed into a floor drain. Good news!
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