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Retaining Wall with Drainage: Consult Local Expert

Building a 3-Ft Retaining Wall with Drainage on a Hillside

New home on slope. Land pitches toward house. Want to regrade 10 ft out, build 3-ft retaining wall with drainage. Need guide.

Every Site Is Different

Drainage behind walls requires:

  • Perforated drain pipe at base
  • Gravel backfill (12-18" wide)
  • Filter fabric
  • Proper outlet (daylight or drain)
  • Surcharge consideration

Don't DIY Without Experience

Consult a local contractor or designer. City/county may have resources. Materials: polylok.com.

Wall failure damages house. Pay for expertise.

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