The longer answer

Where the name comes from: before plastic pipe, farmers and builders drained wet ground with short cylinders of fired clay — literally tiles — laid end to end with small gaps so groundwater could seep in at the joints. The name stuck across the Midwest even though the material changed to perforated HDPE and PVC fifty years ago. If you grew up in Independence, Raytown, or anywhere rural Missouri, "drain tile" is probably the phrase you know; "French drain" is the same system wearing a newer name.

The two kinds, and who does which:

  • Exterior drain tile (yard and foundation perimeter, outside) — perforated pipe collecting groundwater before it reaches the house. This is what we design and install: modern virgin HDPE 8-slot pipe, washed rock, woven filter fabric, run at continuous downhill slope to a real discharge point. Full details and pricing — $25–$60/LF installed, most systems $1,500–$3,800.
  • Interior drain tile (under the basement slab) — a channel around the inside footing that catches water already under the house and feeds it to a sump pit. That's basement-waterproofing work, and it treats the symptom; we'll always look at stopping the water outside first, because it's usually thousands cheaper.

If your house has original clay or early-plastic drain tile: KC homes from the 1950s–70s often do. Clay tile joints shift with our shrink-swell soil, roots find the gaps, and sediment fills the line — so the system "works" until the first truly wet spring, then doesn't. There's no practical way to clean collapsed clay tile; replacement with a modern wrapped system is the fix, and it's priced the same as any French drain.

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